acide oxalique
- Domaine
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- chimiechimie organique
- Date
Définitions :
Cristaux monocliniques, transparents, incolores, inodores, de saveur très désagréable.
Acide organique dont les sels se trouvent naturellement dans de nombreuses plantes; spécialement sous forme de cristaux d'oxalate de Ca dans les cellules de parenchyme; on le produit aussi synthétiquement.
Note :
Cristaux solubles dans l'eau, l'alcool et l'éther. Utilisé dans certaines réactions de condensation.
Termes :
- acide oxalique n. m.
- acide éthanedioïque n. m.
Traductions
-
anglais
Date :Définition
An organic acid, the salts of which occur naturally in many plants; particularly as crystals of Ca oxalate in parenchyma cells; also made synthetically.
A hydrated dicarboxylic acid, m.p. 101 °C (214 °F), which occurs naturally in some plant products in the for of the oxalate; it can be made by oxidation of sugars, starches, and cellulose, as well as of ethylene glycol. The formula is (COOH)2 . 2H2=.Notes :
It is used largely as a metal cleaning and bleaching agent, though it also application in dyeing technology and as a reagent chemical. It is poisonous and should be handled with care.
Crystals soluble in water, alcohol and ether. Used in certain condensation reactions.Termes :
- oxalic acid
- ethanedioic acid