In films, on TV, and in comic books, an "acid" is any liquid that can eat away at and completely dissolve skin and muscle, leaving only bone and sometimes not even that. Even stronger "acids" will dissolve steel, glass, plastic (even though it's nearly impossible for plastic to be dissolved by an acid), concrete, and ultimately everything it comes into contact with. Well, everything except the glass flask that it is stored in. Such liquids are almost always either a bright green or sickly yellow color. They bubble and fizz on the counter or floor when you spill them, give off visible, smoky fumes (which never seem to be harmful in their own right), and they never dissipate. If a drop of acid eats through the floor, it will continue to eat through things on the next level down, and so on. There are even some video games where puddles of this stuff can move around and try to kill you. This stuff will usually be referred to as either "acid," "toxic waste," "poison," or simply "chemicals," unless it's given some highly scientific name at its introduction, after which it will simply be called one of the names above. If it's glowing rather than giving off fumes, you're probably looking at Hollywood Radioactive Goo, which will otherwise behave exactly the same. Expect it to show up at least once in any work involving a Mad Scientist. If this stuff is ever spilled on a person or other living creature, say hello to the Nightmare Fuel. A subtrope of Hollywood Science. Compare Poison Is Corrosive and Acid Pool (when this is applied to a Death Trap). Has nothing to do with those other kinds of acid.
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- A gout medication ad features a man walking around with a giant flask of fluid, which shrinks to illustrate how his uric acid levels fall once he tries the medicine. Uric acid is colorless in solution or yellow when crystallized, yet the flask's contents are a sickly greenish hue. If you don't pay attention it appears that he has quite a love for his homemade Mt Dew.
Anime & Manga
- In Gantz, the Thousand Arms Buddha statue carries a vial full of acid corrosive enough to completely liquefy a person in the blink of an eye, even if he's wearing the protective Gantz suit. This actually worked in the hunters' advantage, as it was the acid spilled by Sei Sakuraoka that eventually disabled the Buddha statue's regenerative ability. (Although this didn't happen until Kei Kishimoto, among others, had met their fate because of the same acid.)
- Three Donald Duck stories by Don Rosa involved a liquid called "The Universal Solvent" that compresses the atoms of anything it comes in contact with, turning all matter into a superdense powder. In real life, unless you're an alchemist, the term 'Universal Solvent' usually refers to water...
- Batman loves this stuff; it's used to kill the villain in his very first story, The Case of the Chemical Syndicate, and is the comic-book source of Harvey Dent's scars as Two-Face. Deconstructed in Dr. Scott's article on an issue where Batman counteracts The Joker's acid by spraying the target with a strong base. Hello exothermic reaction!
- Man-Thing is scary enough for the unwary as a shambling plant monster, but the fact that he secrets a deadly corrosive when he encounters fear scares the hell out of people who know about him too.
- In the DS 9 comic, after the tribbles are reintroduced to the future; the cast finds that the creatures produce a "universal solvent" which somehow eats through force fields! It takes about a panel for a character to ask what they could store it in.
- In Tomie: Replay, Tomie pushes Yumi, the protagonist, out of the wheelchair she was in onto a floor covered in acid.
- Superman III featured "beltric acid," which became super-corrosive if it heated up far enough. It ends up as a Chekhov's Gun in the final fight against the rogue computer.
- The blood of the xenomorphs in the Alien movies is made of a "concentrated molecular acid" (sic) that can eat through a starship's hull but not through the body of the xenomorph itself, due to being Silicon-Based Life. It seems to have less effect on human flesh when convenient. In Aliens, Private Hudson gets some splashed on his arm when Corporal Hicks shoots a Xenomorph in the head at point-blank range, causing little more than painful burns. Drake isn't so lucky when Vasquez attempts to shoot a Xenomorph off of him. Its potency freaks everyone out; one character makes noises about "molecular acid" in Alien, and an executive speaks of "concentrated acid" in a patronizing manner in the second - they're saying, "Umm... Acid isn't supposed to do that!"
- Alien vs. Predator is inconsistent with the lethality of Alien blood. A hunter's arm is seared off by a splash of facehugger blood, and another unfortunate human has his skull melted by a blast of Xenomorph blood to the face. However, the first film also presents it as mild enough to use for body scarification. This is actually a nod to the previous AVP fluff, where the Predators are said to have antacid blood that neutralizes the Aliens' acid blood. It will damages their skin but stops once it reaches their blood.
- Cube has one of the characters meet his end when a trap splashes acid in his face.
- The technobabble version is used in Richie Rich, where Richie and his estate's Gadgeteer Genius use a thick, foamy white experimental corrosive, "hydrochloric dioxic nucleic carbodium", disguised as a tube of toothpaste to help break Cadbury, his butler out of jail.
- In Gremlins 2: The New Batch, there is a bit with a beaker of acid labeled "Acid: Do Not Throw In Face". One gremlin throws it in the face of another, who then assumes a The Phantom of the Opera-esque mask and cape.
- The goop that Jack Napier falls into in Tim Burton's Batman is astroturf-green and has the consistency of a milkshake. It's later casually described as "acid". Later in the same film, the Joker's trick flower squirts acid strong enough to eat through thick metal in seconds (when he sprays it on the bolts holding up the church bell).
- The same fate befalls some nameless extras in The Mummy as well. Rick even identifies the substance as "Salt acid. Pressurized salt acid." ('Salt acid' is the period-authentic name for Hydrochloric acid.) Although, in a subversion, the acid here burns the extras rather than dissolving their skin.
- The DIP in Who Framed Roger Rabbit acts like Hollywood Acid, though it only works on Toons. It's essentially made of the solution used to clean cels (which is to say, it's a blend of powerful paint thinners), but it still is colored green and is constantly steaming.
- Averted in Runaway, in which the acid sprayed by Gene Simmons' insectoid robots causes ugly black burns on the hero's skin rather than dissolving his tissues.
- In The Return Of The Living Dead, one of the zombies gets blinded by a faceful of nitric acid, which audibly sizzles on contact with dead flesh.
- Jeff Goldblum's character Seth Brundle uses his stomach acid in the Cronenberg remake The Fly (1986), both to externally digest food and in one stomach-turning scene, as a weapon. It's actually specified as containing digestive enzymes.
- Played straight in Saw III. In the infamous "Angel Trap" scene, Kerry has one minute to grab a key (which, contrary to Jigsaw's warning, never actually dissolves) inside a beaker of highly corrosive acid and free herself from a harness before it tears open her ribcage. By the time she finally retrieves said key, her hand is horribly mangled and the acid is dark red. What makes the scene even scarier is that the key actually doesn't free her, so she still dies.
- The acid in Saw VI, which dissolves a man from the inside out in about ten seconds. While the victim was injected with a large carboy full of hydrofluoric acid, which is extremely corrosive and can also cause cardiac arrest by interfering with calcium levels in the blood it would not take effect nearly that quickly or be quite so dramatic.
- In Seed of Chucky, John Waters' character dies when Glen accidentally scares him, causing him to back up into a shelf in his red room, sending photo developing chemicals crashing down on him and melting his face. It's even more egregious in that the photo developing process uses very weak acids, most commonly a citric acid or diluted vinegar. No chemicals used in small-scale photography are corrosive (although some can be quite toxic).
- The Tall Man is killed in Phantasm II when the fluid he uses to reanimate corpses is tainted with hydrochloric acid and then injected into him, melting him from the inside-out. If that wasn't improbable enough to bother all of you chemists, this somehow causes his eyeballs to explode. This may be justified as the Tall Man's physiology is alien.
- In The Rock, VX nerve gas is shown to be a corrosive acid. Crosses over with Poison Is Corrosive.
- In the first RoboCop (1987) movie, Boddicker's henchman Emil attempts to crush Murphy with his car, only to miss Murphy and drive straight into a tank full of corrosive toxic waste. He survives... kind of.
- Stomach acid serves as this trope in the final battle of Innerspace, when Tuck Pendleton drops his pod into Jack Putter's stomach with Mr. Igoe clinging to the side. The pod survives; Mr. Igoe doesn't.
- The House On Haunted Hill in 1959 had a tank full of acid in the basement as big as a swimming pool, still caustic enough to reduce human bodies to skeletons.
- A janitor is killed by having his head dunked in a sink that was randomly full of acid (or some kind of corrosive chemical) in Hospital Massacre.
- In Mindhunters, a quantity of acid small enough to be concealed undetectably in a cigarette is sufficient to kill the FBI trainee who smokes it. While her death might be reasonable under the circumstances, her entire body emitting vapor from, at most, a few mL of acid isn't, nor is the dropped cigarette melting its way into the ground beneath it.
- Deep Rising features giant worms with stomach acids so strong that they get their nutrition by merely engulfing and digesting their prey alive. The acting effects of this are shown in one particularly gory sequence appropriately known as "half-digested Billy".
- The 1985 B-grade horror flick Attack of the Beast Creatures features a whole river made of acid, which coincidentally looks exactly like normal water. When one person tries to cross it, his body gets dissolved until only the skeleton remains. It's never made clear how such a large body of highly corrosive acid came to exist, nor how the tropical rainforest on the river bank manages to prosper.
- Transformers: The Movie features a Acid Pool that is so powerful that it dissolves a transformer in a few seconds.
- Pacific Rim: Otachi can spit a corrosive blue acid that makes short work of any type of metal, which it uses to help kill a Russian mecha.
- Dantes Peak: Subverted. A lake of volcanic sulfuric acid takes several minutes to cause a metal boat to start leaking and eat away the prop. Played straight when the grandmother jumps in the water and is severely burned with a relatively short exposure to it.
- A chemistry student explains to his professor: I have invented an universal acid which will dissolve just anything - glass, metal, plastics, anything! The professor answers: Very well. Now where are you going to store it?
- The same applies the simple riddle-type puzzles, where some inventor claims to invent a universal acid, and is told to leave as the other person knows it would dissolve the container it's contained in.
- The same problem exists with using antimatter for fuel. In the case of antimatter, you can use only positive or negative particles and keep them in one place magnetically, which wouldn't work for a "universal acid" because normal nuclear matter is pretty much neutral.
- In the HP Lovecraft/ C.M. Eddy collaborative story "Ashes" has a professor with a bottle of clear colorless liquid that he uses to dissolve a few animals into a white ash. He claims that it reduces anything it touches (aside from glass) into a fine ash. Later in the story has the professor attempt one last test on a human, only to be dissolved in the same fashion.
- Justified in The Zombie Knight: Moss and Stoker can both use their powers to create super-concentrated, soul-strengthened acid which will eat through almost anything. Without soul power, it would still take minutes or hours, but with it it takes mere seconds.
- Aversion in A Darkness at Sethanon - the Tsurani Empire's homeworld has very little metal, so they have had to find other means of torture, which consist of using caustic bases to blister the skin, not acid.
- In the novel of God of War, one of the Temple Of Pandora's boobytraps is a tripwire that spills a substance so powerful that it turns the room into a sinkhole. The fumes also burn Kratos on contact.
- In Discworld, the metal-dissolving aspects of this trope are applied to scumble, as well as (justifiably) to the caustic beverages favored by trolls.
- In Antony Horowitz's Raven's Gate, The Dragon is pushed into a tub of incredibly concentrated, liquid, boric acid at a nuclear power plant. By the end of her ordeal, there is nothing left of her.
- In the New Jedi Order, the Jedi-hunting voxyn beasts can vomit acid (which is, unusually, not depicted as stereotypical acid, but rather mucus that happens to be strong enough to burn through faces), and their blood is both acidic and a neurotoxin.
- The rogue cleaner droids in Galaxy of Fear: The Doomsday Ship can squirt acidic cleaner. No one is ever actually killed by this directly, but when The Captain is climbing and needs both hands, they attack his face, and when he tries to paw them away frantically he falls to his death.
- One of the murder victims in Ghoul by Michael Slade is disposed of in a bathtub full of sulphuric acid, leaving only the victim's gallstones behind (for some reason).
- In Kurd LaŖwitz' Auf zwei Planeten, the Martian airships are protected by being encased in Nihilite, a substance that simply dissolves anything shot at them. This can also be used offensively, e. g. when a Martian ship rams the biggest British battleship. A chemical process is involved, as during the Battle of Portsmouth the Martian airships take breaks to replenish their stocks of Nihilite from supply vessels.
Live Action TV
- In the AMC series Breaking Bad. Walter White and his partner Jesse Pinkman need to get rid of a body. Walt tells Jesse—who at this point has not yet learned to follow Walt's instructions regarding chemistry to the letter at all times—to pick up a specific type of plastic tub, because the hydrofluoric acid they're using will dissolve any other container. So what does Jesse do? Takes a shortcut and dumps it in a ceramic bathtub. The result is a very... messy hole in the ceiling (the tub being on the second floor). Since the body, at this point, is no longer recognizable as human, the result, for those who are not completely disgusted, is Bloody Hilarious.
- Hydrofluoric acid is actually deadlier than portrayed here. A fairly small amount of it landing on skin can lead to death fairly quickly by affecting calcium metabolism. Jesse shouldn't have survived his exposure in this episode.
- A 2013 episode of MythBusters revealed that the trope had actually been played straight in this scene. Adam and Jamie found that hydrofluoric acid wouldn't completely destroy organic tissues, so they switched to sulfuric acid with a dose of hydrogen peroxide (AKA special sauce) to boost its corrosive power (this combination is often called "piranha solution" in real life). They put 35 pounds of pig carcass parts and 6 gallons of their acid mixture in a ceramic-coated cast iron tub; the acid destroyed most of the carcass, but did not eat through the tub or the floor below it. When they used 36 gallons of acid in a fiberglass tub, the carcass was reduced to a black organic sludge - but again, neither the tub nor the floor gave way under the acid's effects.
- Averted in an episode of The Lucy Show of all places. Lucille Ball and Vivian Vance attend a night-school chemistry class, and Lucy panics when she gets splashed with a very weak acid... until the instructor tells her that the stuff she got covered in was effectively harmless.
- Better Off Ted had an episode which featured a biocomputer that leaked an "acid-like goo," or "ass-goo" for short that burned through several floors and desks.
- The X-Files gets the bit about acid vapors right. The aliens have acid blood similar to the Xenomorphs, but most of their victims die from inhaling the stuff. This may have something to do with the fact it's cheaper to film than acid eating through people's bodies. The blood emits toxic vapours which cause swelling and reddening around the eyes and death by coagulation. It may be acidic, but that is incidental to its effectiveness. This effect was based on the real-life, and as yet unexplained case of Gloria Ramirez - whose blood wasn't corrosive, but fumes which apparently came off her did cause similar and acute symptoms in the hospital staff which was treating her.
- In the Tales from the Crypt episode "99 & 44/100% Pure Horror" a woman murders her soap magnate husband and disposes the body by putting it through the machine at his factory and turning it into soap. She takes the soap home with her and uses it when she takes a shower, but to her horror the acid from his stomach starts eating away at her skin... never mind that the manufacture of soap involves adding enough lye to give the mixture a neutral to slightly alkaline pH, so the soap-making process itself should've rendered the acid harmless. (The fact that one of her husband's eyeballs was in the soap and still moving and looking at her as she died suggests that the effect is more supernatural than chemical).
- The live action Batman had an inspired variant in a Riddler story when the villain gets a special wax. It is the perfect safe-cracking tool: a powerful corrosive that is potent enough that a pocketful of the stuff will quickly and silently penetrate thick steel doors or concrete walls in minutes and yet is perfectly safe to handle until you expose it to direct flame. In fact, you'd almost wonder why Riddler didn't make a bundle simply auctioning the stuff to other criminals.
- In the Friday the 13th: The Series episode "Crippled Inside" a teenaged attempted rapist backs away from his apparently cured victim into a rack of various chemicals. Body Horror ensues, and one must assume that his surviving family will be getting a wrongful death settlement.
- Clark Kent, in the 1950ís The Adventures of Superman series episode "The Perils of Superman", was lowered into an enormous vat of acid by chortling villains, who then walked out to arrange their next evil deed. Naturally, Superman then emerged, his costume soaked, but unharmed. Presumably, Kentís glasses and clothes were dissolved.
- The Columbo episode "Mind Over Mayhem" features a killer who disposes of certain key bits of evidence — a wallet, file folder with papers, and a metal can containing heroin — in a vat labeled "contaminated acid". It looks like water until the items drop in and starts to boil. Which may be a case of Truth in Television since many acids look exactly like water and items dropped into the acid often give off bubbles of gas as they dissolve (albeit not usually fast enough to produce a truly "boiling" effect).
- Several episodes of 1000 Ways To Die play this trope straight with various degrees of accuracy, particularly "Deep Fried", "Fools Russian", and "Caught In A Lye".
- Played with in The Adventures of Brisco County, Jr.- a skeleton is found in a bathtub full of acid. The skeleton was a fake, left by the supposed victim to fake his own death. But despite only sitting about waist deep in the acid tub, the entire body was bones, which is retrospect was an early clue that it was staged.
- Doctor Who:
- The two-parter "The Rebel Flesh"/"The Almost People" is set in a facility that mines this substance, which is simply called "acid", used for unknown (but likely military) purposes. Because it's so dangerous, the actual miners are remotely-operated Expendable Clones.
- The Christmas Special "The Doctor, the Widow and the Wardrobe" involves something called "acid rain", which is a lot less like real acid rain than it is like this.
- Half-averted with the planet Vortis's naturally occurring AcidPools and rivers in the 1st Doctor serial "The Web Planet. Although the acid is highly corrosive and instantly eats away at everything it touches (excluding the local terrain, for some reason), its completely transparent and easily mistaken for water. Ian comes very close to scooping up a handful to drink when he first encounters it, which would have ended very badly had the Doctor not stopped him, noting that his tie had dissolved.
- That makes sense in that, for some reason, the entire planet had an imbalance of protons to electrons. This evens out among the surface matter, resulting in pooled acid in equilibrium with the surrounding substances. Everything that could be oxidized by the acid already had been, except things brought into the place.
- A Walker, Texas Ranger villain got rid of his victims this way.
- In Moone Boy, Martin's vagabond uncle warns him to "never take Hungarian acid" (as in LSD). Martin replies he wouldn't want to, since acid burns through everything.
- The Spanish game show El gran juego de la oca featured a challenge wherein the contestant had to unshackle himself before "acid" poured from above by a Scary Black Man ate through the layers of Styrofoam and reached him. (The "acid" was more than likely a harmless substance such as nail polish remover - acetone readily melts Styrofoam.)
- The Horta from Star Trek: The Original Series produces a chemical that easily burns both rocks and redshirts. Spock describes it as "an extremely corrosive acid".
- Subverted in the 2002 TV movie A Is For Acid, based on the life of serial killer John George Haigh (played by Martin Clunes) who dissolved his victims' bodies in acid. The process of destroying the bodies is shown to take a long period of time with Haigh checking back on the acid's progress until the bodies are completely destroyed. A number of miscellaneous body parts are later discovered to have not been completely destroyed, leading to Haigh's arrest. Also, as the movie progresses and Haigh becomes more confident in what he is doing, he is shown to take further precautions such as wearing a gas mask.
- Dungeons & Dragons has this as a major damage type in 4th Edition, as well as it being one of the few ways to put down a troll for good. Earlier editions have it too, with spells such as Acid Fog, and a black dragon's acid breath. And whenever the stuff is illustrated, expect it to be a bright green.
- One fluid ounce of ultimate solution from the 1e Unearthed Arcana book can dissolve up to a cubic foot of adhesive (glue, cement, etc.); however, if it is carefully distilled to one-third of its original volume, an ounce of the resulting liquid can dissolve a cubic foot of any substance.
- A very common damage type in Mortasheen, as well as a more specific Corrosive type of damage that specifically does heavy damage to metal (Perfect for the Mecha-Mooks the game has as its main villains)
- Rogue Trader has two separate chemicals available that work like this. One is a substance that will dissolve anything except pure silica glass, tho the reaction causes it to quickly become inert in process. The other is a Dark Eldar poison created from a Stryxis-made "universal solvent", weaponized through a clever use of containment fields.
- Reptile from Mortal Kombat. His fatality in Ultimate MK3 has him vomit a gallon of "acid" on his opponent, melting their flesh clear off their skeleton. He also has acid fatalities in Mortal Kombat 4 and Deadly Alliance.
- The "Dead Pool" from Mortal Kombat 2.
- Borderlands features "caustic" weapons that fire acid-filled rounds that dissolve armor and flesh. "Caustic" usually refers to corrosive bases, not acids.
- Any falling sand clone that features acid has it behave this way. The Powder Toy has acid not only dissolve everything it touches except diamond, but it's also flammable.
- The Mac game Spin Doctor had droplets of bright green acid that activated when you passed over them and chased you.
- In Metroid, Brinstar is full of some kind of acid that depletes your energy by roughly twenty points per second of contact. Considering the sort of damage the power suit can endure, that makes it about as strong as 10-12M HCl. The acid is also boiling, looking at its animation, which means that, if it is HCl, the air in Brinstar must be largely chlorine gas. The stuff is also a serious threat in the Metroid stages featured in the first two Super Smash Bros. games; the lava filled the pit at the bottom of the stage and constantly rose, often to the point where the only available fighting space was a tiny platform. Any character who touches it is launched skyward.
- In the Monkey Island games, grog is so acidic that it dissolves the pewter mugs it is served in as well as the locks on cell doors.
- In Uninvited, the servant ghost kills you by engulfing you into his "misty form", which covers you in a thick, sticky goo that turns out to be acid that not only hurts, but turns you into a "lifeless lump of flesh".
- In Starcraft and Starcraft II, several zerg units use "acid" attacks.
- In the Flash game Crush the Castle 2, acid projectiles play the trope 100% straight. They are green and hissing, will completely dissolve almost any substance it touches, and will leak down, dissolving any objects beneath that the target point directly contacts. This can create a chain reaction which can bring down entire structures by itself. Oddly, though it can disintegrate solid iron, it will not eat through the much softer earth once it reaches down that far, and a few kinds of rock walls are impervious to it. Human targets are naturally dissolved.
- Kog'Maw attacks all involve spewing digestive fluids at his enemies which have variety of effects. Due to him originating from the void, they might not obey the laws of physics.
- Several Gauntlet games have puddles of green acid as enemies.
- In the first No One Lives Forever game, Kate Archer is given (among other Bond-like gadgets) small bottles of an acidic substance that dissolves a dead human body in seconds without leaving a trace. This is claimed to be because someone of Kate's size can't be expected to be able to lug around dead bodies of large men. While this helps preserving stealth in some parts of the game, Kate only has a limited amount of uses for the acid. The sequel allows Kate to carry bodies (even though her size and strength haven't changed) to hide them, although she can still get the acid. Mooks in the sequel will also have an equivalent to dispose of their dead comrades (a Russian soldier will usually say something like "Sorry, comrade, there's less paperwork this way").
- The Powder Toy has this. It's pink, dissolves everything, and it's flammable.
- Amnesia: The Dark Descent has you combining aqua regia, orpiment, cuprite, and calamine to make a mysterious unnamed "acid." Note that aqua regia is a mixture of nitric acid and sulfuric acid in the first place, yet inexplicably can't be used on its own in the game.
- Red Alert 2 has radiation, but the effect is very much the same. Infantry Units killed by radiation are covered in gunk and melts away after a second or two.
- In Ghostbusters: The Video Game, you must contend with black slime. The end result of Ivo Shandor's rituals, this nasty concoction is both The Corruption and Hollywood Acid (it's labeled "Caustic Seep" in your Paragoggles). Stepping in any amount deals damage, and falling into it on Shandor Island is instant death. Oh, and...apparently it's the body fluids of a Juvenile Giant Sloar.
- Trine 2 has a number of puzzles that involve acid. It doesn't dissolve everything - in particular, Pontius the knight had his shield conveniently acid-proofed before the game began - but it's still a bright green colour and destroys almost anything put in it.
- The bonus chapter of Hidden Expedition 8: Smithsonian Castle has you make your own sulfuric acid. It's bright lime green and takes only a few seconds to eat through the top of a wooden box it accidentally spills on.
- Subverted in 8-Bit Theater. Garland has the Light Warriors (plus White Mage) tied up over a cauldron full of a hissing, bubbling green liquid - which turns out to be Mountain Dew, swapped with Garland's real acid by the Forest Imps. Note the comic's name: "The Acid Would Be Healthier"
- In The Non-Adventures of Wonderella, Jokerella threatens her with citric acid (which can be harmful in its pure form, but it's not exactly Joker-level evil).
- The Batman/Superman episode World's Finest both subverts this and plays it straight, kinda. When the Joker leaves Superman and Batman trapped in one of Luthor's laboratories (with a chunk of kryptonite slowly killing Superman), Batman begins looking for ways to escape. He finds a container of hydrochloric acid. Batman notes that while it will take a week for the acid to eat through the wall of the room they're in, it will destroy the kryptonite almost immediately.
- Similarly, Superman's Anti-Kryptonite suit is supposed to be designed to resist corrosion by acid, yet is destroyed by it anyway.
- In Jimmy Two-Shoes, Jimmy's "dog" Cerbee actually has acid as waste, which dissolves anything he relieves himself on.
- The Simpsons:
- Radioactive Man's actor is famous on the Internet for getting washed away by a sea of Hollywood Acid while (understandably) complaining that his protective eyewear is not serving its ostensible function.
- Homer was also about to quaff a beaker of acid, but it was knocked out of his hand by Frank Grimes. It splashed all over the wall, creating a hole big enough to drive a car through. Grimes was then chewed out by Mr. Burns for destroying the wall. And for wasting his precious acid.
- In another episode heavy pollution had covered Springfield in Hollywood Acid Rain which corroded soft materials in seconds. The effects on human flesh (and underwear) weren't so extreme, but according to Willie still "stings like a Glasgow bikini wax!"
- Godzilla: The Series has several of the giant monsters spit out acid that melted various materials, usually metal and plastic. How fast the acid ate away whatever it was spat on varies.
- Many real acids do some of the things commonly attributed to Hollywood acids. Common acids do dissolve ordinary metals, producing flammable hydrogen gas in the process (though plastic, glass, concrete, and most other common materials are unaffected). The stronger ones can also burn flesh, and produce some very nasty fumes, like smelling vinegar but far stronger. Most acids won't dissolve flesh, though, bases are actually better at this (since human bodies are slightly acidic). However, most of the common acids are clear liquids that look just like water, and they certainly don't bubble continuously for the sake of it.
- Nitric acid looks like plain water until you drop in a piece of material to dissolve, at which point it eagerly plays the trope straight by boiling and bubbling as well as emitting toxic fumes. There's a reason why labs always keep beakers of the stuff under venting hoods and clearly labeled. This, however, refers only to the pure nitric acid, which, for the reason explained below, is rather rare and expensive. Most real nitric acid that you can encounter has a significant admixture of nitrogen dioxide (NO2), a redish-brown toxic and caustic gas. In fact, even if your sample is pure nitric acid readily decomposes into nitrogen dioxide and water with time, and the higher concentration it is, the faster this process becomes. 95% nitric acid is even called "red fuming nitric acid", because it is deeply orange in color and gives constant brownish-orange fumes of NO2 — the so-called "fox tail".
- The electronics industry uses a mixture of concentrated sulfuric acid note and highly concentrated hydrogen peroxide note for cleaning critical equipment. The material will melt plastic and corrode metal. As for its effect on flesh, well, there's a reason it is known as Piranha Solution.
- Hydrofluoric acid is probably the most dangerous acid someone not working in a lab could get a hold of and reasonably store. It rapidly penetrates the skin and proceeds to destroy the human body from the inside out by reacting readily with calcium. To make matters worse, because calcium is used in the propagation of action potentials (those thingamajigs that let you feel pain), many people donít realize theyíre dying until itís too late. Standard handling procedures usually require full Hazmat suits or at least a face mask and tear-resistant Teflon gloves. Also, it's poisonous when it reaches the blood stream, and it doesn't become less corrosive nearly as fast as other acids when diluted. Hydrofluoric acid is also unique in that it corrodes glass and metal oxides, making it notoriously hard to store. It can be stored in certain metal containers, and it is actually used as a corrosion inhibitor for red fuming nitric acid, mentioned above. The result, called IRFNA, is one of the more commonly used liquid oxidizers in rockets.
- Oddly, hydrofluoric acid is not considered a strong acid by chemists. Its pH is not nearly as low as hydrochloric acid or sulfuric acid. It's dangerous because of what it can dissolve, not because of how efficient it is at dissolving it.
- At one point, serious consideration was given to the possibility of building space rockets propelled by burning hydrogen with fluorine. They would be significantly more efficient than rockets that burned hydrogen with oxygen. The only problem was that this fuel-oxidizer combination produces hydrofluoric acid as its exhaust.
- The term Super Acid is used for any material that is more acidic than 100% pure sulphuric acid. For example, some particularly corrosive chemicals can protonate and dissolve hydrocarbons, something that does not occur in a normal acid environment.
- The strongest known superacid is fluoroantimonic acid, which is ten quadrillion (10^16) times stronger than pure sulfuric acid. Formed from reacting a 2:1 ratio of hydrogen fluoride and antimony pentafluoride (both already quite toxic and corrosive by themselves), fluoroantimonic acid can protonate hydrocarbons and like chlorine trifluoride below, reacts violently with water. The reaction to form the acid also produces unstable fluoronium (Itself a strong acid) as a byproduct, and is also responsible for fluoroantimonic acid's extreme acidity.
- Chlorine trifluoride - not technically an acid, but it burns through flesh, glass, rock and concrete like nobody's business. When mixed with water it explodes and forms hydrochloric and hydrofluoric acids as byproducts. And for bonus points, in its liquid state it actually is a greenish-yellow color. While the Nazis considered the acid too nasty to use in actual combat even by their standards, they did produce the stuff throughout the war at a partially underground bunker near the town of Falkenhagen. By the time the Red Army captured the facility in 1944, already 30 to 50 tonnes of the acid had been made at the cost of 100 German Reichsmark (equal to 4.2 USD) per kilogram.
"It is, of course, extremely toxic, but that's the least of the problem. It is hypergolic with every known fuel, and so rapidly hypergolic that no ignition delay has ever been measured. It is also hypergolic with such things as cloth, wood, and test engineers, not to mention asbestos, sand, and water ó with which it reacts explosively. It can be kept in some of the ordinary structural metals ó steel, copper, aluminium, etc. ó because of the formation of a thin film of insoluble metal fluoride which protects the bulk of the metal, just as the invisible coat of oxide on aluminium keeps it from burning up in the atmosphere. If, however, this coat is melted or scrubbed off, and has no chance to reform, the operator is confronted with the problem of coping with a metal-fluorine fire. For dealing with this situation, I have always recommended a good pair of running shoes."—John D. Clark, Rocket Scientist.
- Ironically, some of the chemicals that best simulate Hollywood Acid are bases (or 'alkalines'), which are the opposite of acids in chemical terms. Lye (sodium hydroxide), which is actually an alkaline base, can cause this. One of Southern Railway's repair shops, now the North Carolina Transportation Museum, had such an incident:
"Accidents at Spencer Shops harmed workers as well as equipment. Spencer did have its human tragedies, although they were rare enough to achieve near legendary status. Perhaps the worst occurred in 1911, when a young apprentice fell into a pit filled with caustic lye used for cleaning locomotive parts. He left behind much of his skin when he was fished out but remained alive for several hours in extreme agony before dying. The tale passed from generation to generation as a warning that one should be constantly aware of safety at the shops."
- Aqua Regia, a mixture of Hydrochloric acid and Nitric acid, is a yellow to reddish acid that can completely dissolve gold and platinum.
- One of the targets of medieval alchemists was the "alkahest", a mystic "universal solvent" that could dissolve anything. Even then, there were jokes about "what do you keep it in?".
- Drain cleaner is usually made with sulfuric acid and is dyed green.
- How about a even stronger acid than hydroiodic, let alone hydrochloric? Try the next step down column 17: hydroastatic acid. It has the added bonuses of having a positive enthalpy of formation, and being radioactive. Since it doesn't do anything that can't be done more safely and cheaply with other substances, though, none of it exists. Thank God.
- Plain ordinary water, as noted above, is an excellent solvent. If we (along with most life on Earth) weren't already mostly made out of it, and other stuff dissolved in it, it'd be terrifying stuff.
- Between 1943 and 1949, John Haigh, murdered at least six and possibly up to ten people in and around London. His method of disposing of the corpses was to stuff them in large oildrums and add gallons of concentrated acid. This is part of the reason why there is no definite tally of his victims. A human body largely goes to sludge after two days' immersion in acid; when tipped into the sewer system it flushes neatly away. He was only tied to the murder of one suspect because of the few bodily parts not even the strongest acid can dissolve: teeth and gallstones. Haigh, known as The Acid Bath Killer, was executed by hanging in late 1949.