Agent Name

Cystine

CAS Number

56-89-3

Formula

C6-H12-N2-O4-S2

Major Category

Biological Agents

Synonyms

(R-(R*,R*))-3,3'-Dithiobis(2-aminopropanoic acid); 3,3'-Dithiodialanine; Alanine, 3,3'-dithiobis-; Alanine, 3,3'-dithiodi-; Bis(beta-amino-beta-carboxyethyl)disulfide; Cysteine disulfide; Cystin; Cystine (L)-; Cystine acid; Dicysteine; L-Alanine, 3,3'-dithiobis-; L-Cysteine disulfide; L-Cystin; Oxidized L-cysteine; Propanoic acid, 3,3'-dithiobis(2-amino-, (R-(R*,R*))-; beta,beta'-Diamino-beta,beta'-dicarboxydiethyl disulfide; beta,beta'-Diamino-beta,beta'-dicarboxydiethyldisulfide; beta,beta'-Dithioalanine, L-; L-Cystine; Cystine, L-; [ChemIDplus] alpha-Diamino-beta-dithiolactic acid; Gelucystine; [Merck Index] (-)-Cystine; 1-Cystine; L-(-)-Cystine; [RTECS]

Category

Amino Acids and Derivatives

Description

Solid; [Merck Index] White powder; [Sigma-Aldrich MSDS]

Sources/Uses

A non-essential amino acid (a dimerization of two cysteine molecules); [Merck Index] Used as a flavoring agent, dough strengthener, and nutritional supplement for foods; [FDA]

Comments

May cause irritation; [Sigma-Aldrich MSDS]

Exposure Assessment
Vapor Pressure

2.12E-10 mm Hg

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