27 Facts About Acetic acid


Acetic acid is the second simplest carboxylic acid and its functional group is methyl.

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Common symbol for acetic acid is AcOH, where Ac is the pseudoelement symbol representing the acetyl group -; the conjugate base, acetate, is thus represented as.

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Liquid acetic acid is a hydrophilic protic solvent, similar to ethanol and water.

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The solvent and miscibility properties of acetic acid make it a useful industrial chemical, for example, as a solvent in the production of dimethyl terephthalate.

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Acetic acid is produced and excreted by acetic acid bacteria, notably the genus Acetobacter and Clostridium acetobutylicum.

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Acetic acid is a component of the vaginal lubrication of humans and other primates, where it appears to serve as a mild antibacterial agent.

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Acetic acid is produced industrially both synthetically and by bacterial fermentation.

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Light naphtha components are readily oxidized by oxygen or even air to give peroxides, which decompose to produce acetic acid according to the chemical equation, illustrated with butane:.

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Acetic acid is a chemical reagent for the production of chemical compounds.

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The largest single use of acetic acid is in the production of vinyl acetate monomer, closely followed by acetic anhydride and ester production.

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Major esters of acetic acid are commonly used as solvents for inks, paints and coatings.

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Acetic acid anhydride is a reagent for the production of heroin and other compounds.

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Glacial acetic acid is an excellent polar protic solvent, as noted above.

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Acetic acid is used as a solvent in the production of terephthalic acid, the raw material for polyethylene terephthalate .

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Acetic acid is often used as a solvent for reactions involving carbocations, such as Friedel-Crafts alkylation.

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Glacial acetic acid is used in analytical chemistry for the estimation of weakly alkaline substances such as organic amides.

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Glacial acetic acid is a much weaker base than water, so the amide behaves as a strong base in this medium.

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Acetic acid is used as part of cervical cancer screening in many areas in the developing world.

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The Acetic acid is applied to the cervix and if an area of white appears after about a minute the test is positive.

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The proportion of acetic acid used worldwide as vinegar is not as large as commercial uses, but is by far the oldest and best-known application.

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Acetic acid undergoes the typical chemical reactions of a carboxylic acid.

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Acetic acid is mildly corrosive to metals including iron, magnesium, and zinc, forming hydrogen gas and salts called acetates:.

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Colour reaction for salts of acetic acid is iron chloride solution, which results in a deeply red colour that disappears after acidification.

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The use of acetic acid in alchemy extends into the 3rd century BC, when the Greek philosopher Theophrastus described how vinegar acted on metals to produce pigments useful in art, including white lead and verdigris, a green mixture of copper salts including copper acetate.

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The acetic acid was isolated by treatment with milk of lime, and the resulting calcium acetate was then acidified with sulfuric acid to recover acetic acid.

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Interstellar acetic acid was discovered in 1996 by a team led by David Mehringer using the former Berkeley-Illinois-Maryland Association array at the Hat Creek Radio Observatory and the former Millimeter Array located at the Owens Valley Radio Observatory.

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Acetic acid has the distinction of being the first molecule discovered in the interstellar medium using solely radio interferometers; in all previous ISM molecular discoveries made in the millimetre and centimetre wavelength regimes, single dish radio telescopes were at least partly responsible for the detections.

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