L-Cysteine
time:2013-05-12 01:29:54,count:0

 

L-Cysteine
Alias
Cysteine
Category
Zwitterionic surfactants-Amino acid
CAS No.
52-90-4
Molecular Formula & Molecular Weight
Molecular Formula: C3H7NSO2
Molecular Weight: 121.16
Structural Formula
Properties
Appearance: solid.
Solubility: soluble in water.
Stability: stable. easily oxidized.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: mouse intraperitoneal LD50: 1400mg/Kg;
                                 mouse intravenous LD50: 1250mg/Kg;
                                 mouse oral LD50: 660mg/Kg;
                                 mouse subcutaneous LD50: 1360mg/Kg;
                                 rat intraperitoneal LD50: 1620mg/Kg;
                                 rat intravenous LD50: 1140mg/Kg;
                                 rat oral LD50: 1890mg/Kg;
                                 rat subcutaneous LD50: 1550mg/Kg.
                                 reproductive effect.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: Biodegradable.
Characteristics: excellent anti-oxidizing, dispersing, antistatic abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives, %,≥
95
 
Major Uses
Use as pharmaceutical ingredient.
Conditioning agent, antioxidant, antistatic agent in personal care products.
Use as antioxidant.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 52-90-4

 

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