L-Cysteine, S-(carboxymethyl)-
time:2012-09-16 04:13:37,count:0

L-Cysteine, S-(carboxymethyl)-
Alias
Alanine, 3-((carboxymethyl)thio)-, L-
Carbocisteine
Category
Zwitterionic surfactants-Amino acid
CAS No.
638-23-3
Molecular Formula & Molecular Weight
Molecular Formula: C5H9NSO4
Molecular Weight: 179.19
Structural Formula
Properties
Appearance: white crystal powder.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat intraperitoneal LD50: 7800mg/Kg;
rat oral LD50: >15000mg/Kg;
rat subcutaneous LD50: 10300mg/Kg;
mouse intraperitoneal LD50: 1433mg/Kg;
mouse oral LD50: > 8400mg/Kg;
mouse subcutaneous LD50: 9000mg/Kg.
Reproductive effects.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: Biodegradable.
Characteristics: excellent antistatic, anti-infective, expectorant abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives, %,≥
98
 
Major Uses
Conditioning agent, anti-seborrheic agent in personal care products.
Use as pharmaceutical ingredient.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:638-23-3
Update: 20140918(1);

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