a.1.(Chem.) Pertaining to an acid so called.
Carbamic acid
(Chem.) an amido acid, H2N.CO2.H, not existing in the free state, but occurring as a salt of ammonium in commercial ammonium carbonate; - called also amido formic acid.
References in periodicals archive ?
Carbamates are esters of carbamic acid and classified as methyl or dimethyl carbamates and inhibit acetylcholinesterase.
In the case of PUR foam production, water reacts with isocyanate, forming carbamic acid which decomposes to an amine and carbon dioxide which acts as the foam blowing agent.
Most insecticides in use today are esters of substituted phosphoric, carbamic or cyclopropane- carboxylic acids, and are consequently subjected to degradation by esterases (Devonshire, 1991).
On the tear-off of young abalone from the attachment site by four anaesthetics (ethyl carbamic acid, magnesium sulphate, chloral hydrate and sodium diethylbarbituric acid).
Exposure of young children working on Mexican tobacco plantations to organophosphorous and carbamic pesticides, indicated by cholinesterase depression.
This two-step reaction is controlled by the much slower isocyanate/water reaction, producing a substituted carbamic acid that breaks down into an amine and carbon dioxide gas.
The samples are acidified at the site of measurement when the free carbamic acid formed, which is unstable in acidic solution, immediately decomposes to amine and C[O.
Albendazole, the [5-(propylthio)- 1H-benzimidazole-2-y1] carbamic acid methyl ester (Sotelo, Escobedo, et al.
From anthesis to harvest, a fungicide (mancozeb--ethylenebis(dithiocarbamic acid) manganese zinc complex, chlorothalonil--tetrachloro-isophthalonitrile, benomyl-- [1-[(butylamino)carbonyl]-1H-benzimidazol-2-yl] carbamic acid methyl ester, or thiophanate methyl 4,4'-ophenylenebis (3-thioallophanic acid)dimethyl ester) was applied to foliage every 7 to 10 d.
The urea bond hydrolyzes to a carbamic acid and an amine.
OMMT contained two hydroxyls that generated stronger interactions with TPU, which obtained carbamic acid ester, compared with that of PLA, which had carboxyl at the ends of the molecular chains.