Cysteine
Agent Name
Cysteine
CAS Number
52-90-4
Formula
C3-H7-N-O2-S
Major Category
Biological Agents
Synonyms
(R)-2-Amino-3-mercaptopropanoic acid; (R)-2-Amino-3-mercaptopropionic acid; (R)-Cysteine; 2-Amino-3-mercaptopropanoic acid, (R)-; Cisteina [Spanish]; Cisteinum [Latin]; Cystein; Cysteinum [INN-Latin]; Half cystine; Half-cystine; L-(+)-Cysteine; L-Alanine, 3-mercapto-; Propanoic acid, 2-amino-3-mercapto-, (R)-; Thioserine; alpha-Amino-beta-mercaptopropanoic acid, L-; alpha-Amino-beta-mercaptopropionic acid, L-; alpha-Amino-beta-thiolpropionic acid, L-; beta-Mercaptoalanine; beta-Mercaptoalanine, L-; L-Cysteine; Cysteine, L-; L-2-Amino-3-mercaptopropanoic acid; [ChemIDplus] Cys; C; [Merck Index]
Category
Amino Acids and Derivatives
Description
Colorless or white solid; [HSDB] Colorless crystalline solid; [Sigma-Aldrich MSDS]
Sources/Uses
Cysteine is a non-essential amino acid that has been used as a dough conditioner and veterinary detoxicant; [Merck Index] Used as a flavoring agent, dough strengthener, nutritional supplement, and flour treating agent for foods; [FDA] Used for biochemical and nutritional research and as a medication; [HSDB]
Comments
Safe when used as a flavoring agent in food; [JECFA] May cause irritation; Harmful by ingestion; [Sigma-Aldrich MSDS]
Biomedical References
Exposure Assessment
Vapor Pressure
2.07E-06 mm Hg
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.