52-66-4|Valine, 3-mercapto-Products Supply - Chemical intermediates Network

Valine, 3-mercapto- cas no:52-66-4

Synonyms: DL-Valine,3-mercapto-; Valine, 3-mercapto-, DL- (8CI); (?à)-Penicillamine; 2-Amino-3-mercapto-3-methylbutyricacid; Cysteine, 3,3-dimethyl-; DL-3-Mercaptovaline; DL-Penicillamine; DL-b-Mercaptovaline; DMC; NSC 22880;NSC 44656; b,b-Dimethylcysteine; b-Mercaptovaline; b-Thiovaline

Identification

NameValine, 3-mercapto-
CAS52-66-4
SynonymsDL-Valine,3-mercapto-; Valine, 3-mercapto-, DL- (8CI); (?à)-Penicillamine; 2-Amino-3-mercapto-3-methylbutyricacid; Cysteine, 3,3-dimethyl-; DL-3-Mercaptovaline; DL-Penicillamine; DL-b-Mercaptovaline; DMC; NSC 22880;NSC 44656; b,b-Dimethylcysteine; b-Mercaptovaline; b-Thiovaline
EINECS(EC#)200-147-2
Molecular FormulaC5H11 N O2 S
Molecular Weight149.20

Chemical Properties

storage temp2-8°C

Safety Data

Hazard Xn:Harmful;
Risk R22
Safety

Poison by ingestion and intraperitoneal routes. Mutation data reported. When heated to decomposition it emits toxic fumes of SO_x and NO_x.Safety information of Dl-penicillamine (CAS NO.52-66-4):
Hazard Codes  Xn
Risk Statements
R36/37/38:Irritating to eyes, respiratory system and skin.
R40:Limited evidence of a carcinogenic effect.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S22:Do not breathe dust.
WGK Germany 3
RTECS YV9445000

Toxicity

1.	pic-esc 100 mg/L	APMBAY Applied Microbiology. 12 (1964),234.
2.	orl-rat LD50:365 mg/kg	ARZNAD Arzneimittel-Forschung. Drug Research. 22 (1972),1434.
3.	ipr-mus LD50:358 mg/kg	TOLED5 Toxicology Letters. 26 (1985),95.

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Valine, 3-mercapto- cas no:52-66-4

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