Acetaldehyde

==History== Acetaldehyde was first observed by the Swedish pharmacist/chemist Carl Wilhelm Scheele (1774); it was then investigated by the French chemists Antoine François, comte de Fourcroy and Louis Nicolas Vauquelin (1800), and the German chemists Johann Wolfgang Döbereiner (1821, 1822, 1832) and Justus von Liebig (1835). In 1835, Liebig name...
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Acetaldehyde

• (n.) Acetic aldehyde. See Aldehyde.
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acetaldehyde

<chemical> A colourless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis. ... Chemical name: Acetaldehyde ... (12 Dec 1...
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acetaldehyde

(as″әt-al´dә-hīd″) a colorless volatile liquid used in the manufacture of acetic acid, perfumes, and flavors, which is irritating to mucous membranes and has a general narcotic action. It is also an intermediate in the metabolism of alcohol.
Found on http://www.encyclo.co.uk/local/21001

Acetaldehyde

(C2H4O) This is a fairly simple aldehyde (second in the analogous series after formaldehyde) that is found in the atmosphere as a result of emissions from the manufacture of acetic acid, plastics, raw materials, and as a product in some polluted air oxidation reactions.
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acetaldehyde

ethanal noun a colorless volatile water-soluble liquid aldehyde used chiefly in manufacture of acetic acid and perfumes and drugs
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acetaldehyde

(ethanal) An aldehyde (CH3CHO). Acetaldehyde, or ethanal, is a colorless, flammable liquid made by catalytic oxidation of ethanol. It is an important reagent used in the manufacture of dyes, plastics, and many other organic chemicals. In the presence of ac...
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Acetaldehyde

Ac`et·al'de·hyde noun Acetic aldehyde. See Aldehyde .
Found on http://www.encyclo.co.uk/webster/A/18

Acetaldehyde

A by-product of fermentation. It is recognized by an aroma of green apple.
Found on http://brewdudes.wordpress.com/beer-making-terminology/

Acetaldehyde

A by-product of fermentation. It is recognized by an aroma of green apple.
Found on http://www.brew-monkey.com/brewschool/glossary.php

Acetaldehyde

A colorless, volatile, and water-soluble compound found naturally in grapes and wines in trace amounts and produced both by fermentation and oxidation. It has a pungent, fruitlike odor and is desirable in small amounts in good table wines and in high amounts in oxidized wines such as Sherry or Madeira. During fermentation, it is produced by yeast i...
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acetaldehyde

A substance responsible for the oxidised fault in table wines. Caused by the oxidation of ethyl alcohol it results in a bruised apple character in table wines. It is an important positive aroma/flavour component of some sherries.
Found on http://www.aromadictionary.com/articles/wineglossary_m-z_article.html

acetaldehyde

acetaldehyde (ăs"ităl'duhīd) or ethanal (eth'unăl") , CH3CHO, colorless liquid aldehyde, sometimes simply called aldehyde. It melts at -123°C, boils at 20.8°C, and is soluble in water and ethanol. It is formed by the partial oxidation of ethanol; oxida...
Found on http://www.infoplease.com/ce6/sci/A0802293.html

Acetaldehyde

Acetaldehyde is a colourless liquid with a pungent, fruity odour. It is used primarily as a chemical intermediate, principally for the production of acetic acid, pyridine and pyridine bases, peracetic acid, pentaerythritol, butylene glycol, and chloral. It is used in the production of esters, particularly ethyl acetate and isobutyl acetate. It is a...
Found on http://www.probertencyclopaedia.com/browse/GA.HTM

acetaldehyde

an aldehyde used as a starting material in the synthesis of acetic acid, n-butyl alcohol, ethyl acetate, and other chemical compounds. It is ... [3 related articles]
Found on http://www.britannica.com/eb/a-z/a/11

acetaldehyde

An aldehyde used as a starting material in the synthesis of acetic acid, n-butyl alcohol, ethyl acetate, and other chemical compounds
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Acetaldehyde

CH3CHO Molar mass: 44.05256
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acetaldehyde

Common name for ethanal
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Acetaldehyde

Formed by the oxidation of ethanol this is a colourless fruity smelling liquid that with further oxidation forms acetic acid. Symbol C2H4O Also known as Ethanal
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Acetaldehyde

Green apple aroma, a byproduct of fermentation.
Found on http://www.beeradvocate.com/beer/101/terms/

Acetaldehyde

Primary flavour component of Flor Sherry. A particularly mean, chemical-smelling, fruity liquid found on the shelves of organic chemistry laboratories, and never to be opened. Pure acetaldehyde has a sickening-sweetish-perfume odour that is better left under the cap. One smell gives me an instant headache just behind my right eye that doesn't go aw...
Found on http://www.edenwines.co.uk/Glossary_a.html

Acetaldehyde

Systematic name, ethanal! This is a good example of a case where the IUPAC system may be logical, but can easily engender no end of confusion.
Found on http://www.encyclo.co.uk/local/20046

acetaldehyde

Type: Term Pronunciation: as-e-tal′dĕ-hīd Definitions: 1. An intermediate in yeast fermentation of carbohydrate and in alcohol metabolism. It is a central agent for the toxic effects of ethanol. Synonyms: acetic aldehyde, ethanal
Found on http://www.medilexicon.com/medicaldictionary.php?t=507

acetaldehyde

[n] - a colorless volatile water-soluble liquid aldehyde used chiefly in manufacture of acetic acid and perfumes and drugs
Found on http://www.webdictionary.co.uk/definition.php?query=acetaldehyde
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