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A colorless, flammable, poisonous liquid aldehyde, C3H4O, having an acrid odor and vapors irritating to the eyes.


(Elements & Compounds) a colourless or yellowish flammable poisonous pungent liquid used in the manufacture of resins and pharmaceuticals. Formula: CH2:CHCHO
[C19: from Latin ācer sharp + olēre to smell + -in]


(əˈkroʊ li ɪn)

a pungent yellow liquid, C3H4O, usu. obtained by the decomposition of glycerol.
[1855–60; < Latin ācr- (s. of ācer) sharp + olē(re) to smell + -in1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acrolein - a pungent colorless unsaturated liquid aldehyde made from propeneacrolein - a pungent colorless unsaturated liquid aldehyde made from propene
aldehyde - any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids
References in periodicals archive ?
Users inhaling at 250 puffs per day could inhale up to 10mg of acrolein a day, 49mg of formaldehyde and 0.
Researchers have now found that the drug, dimercaprol, removes the toxin by attacking certain chemical features of acrolein, neutralizing it for safe removal by the body.
106) The study was based on the background that acrolein is a key by-product of lipid peroxidation, and an important marker of oxidative stress through adduction of cellular nucleophilic groups.
It forms toxic acrolein by evaporation at high temperature.
The acrylonitrile effluent has a very complex composition, consisting not only of acrylonitrile, acetonitrile and hydrocyanic acid, but also of acrylamide, acrylic acid, and acrolein [4].
Recently acrolein, an endogenously produced toxic compound and a pathological factor in MS, underwent analysis [88].
Heating ALA or oils high in ALA has been shown to produce a number of potential or probable carcinogens, including 1,3-butadiene, benzene, and acrolein.
Counter to the standard practice of allowing scale to form and relying on a chelating option or dissolver for removal, the new Scaletreat FeS prevents scale formation in the first place, and the resultant damage, at considerably lower dosages than existing chemistries, such as THPS (tetrakis hydroxymethyl phosphonium sulphate) and Acrolein, said the company in a press release.
The plume that is released contains about 150 different identified chemicals, such as acrolein, benzene, carbon monoxide, formaldehyde, hydrogen cyanide, methane, toluene and polycyclic aromatic hydrocarbons.
The higher the power of an e-cigarette, the higher the concentrations of potentially hazardous substances it produces, including acetaldehyde, acrolein, and formaldehyde.
10) A French report in 2013 found formaldehyde, acetaldehyde and acrolein in e-cigarettes.