L-methionine
Alias
Methionine
L-2-Amino-4-(methylthio)butanoic acid
2-Amino-4-(methylthio)butyric acid, (S)-
Category
Zwitterionic surfactants-Amino acid
CAS No.
63-68-3
Molecular Formula & Molecular Weight
Molecular Formula: C5H11NSO2
Molecular Weight: 149.21
Structural Formula

Properties
Appearance: solid.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: mouse intraperitoneal LD50: > 9500mg/Kg;
rat oral LD50: 36000mg/Kg;
rat intraperitoneal LD50: 4328mg/Kg.
reproductive effect.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: Biodegradable.
Characteristics: excellent dispersing, emulsifying, antistatic, anticorrosive abilities. essential amino acids.
Synthesis
Quality standards & test methods
item
|
physical and chemical indexes
|
test methods
|
actives, %,≥
|
95
|
|
Major Uses
Conditioning agent, antistatic agent in personal care products.
Use as dispersing agent.
Use as pharmaceutical ingredient.
Use as nutritional supplement.
Use as feed additive.
Manufacturers
References
[1]:http://toxnet.nlm.nih.gov/: 63-68-3