应用
L-Cysteine is used as a precursor in food, pharmaceutical and personal care products. It is actively involved in the production of flavors such as meat flavor obtained by reacting with sugars. Also used for the cleavage of disulfide bonds in the hair's keratin. It plays an important role as a key raw material for the manufacture of N-acetyl-L-cysteine, S-carboxymethyl-L-cysteine and L-cysteine base. Its derivative, N-acetyl-L-cysteine is used as a dietary supplement. It acts as an antidote to acetaminophen overdose and prevents liver failure. It protects nerves from oxidation and thereby prevents illnesses like Alzheimer's and Parkinson's. Being an essential amino acid, it used as animal feed especially for sheep, which is responsible the growth of wool.

备注
Air sensitive. Incompatible with strong oxidizing agents.

基本信息

MDL
MFCD00064306

EINECS
200-158-2

分子式
C₃H₇NO₂S

分子量
121.16

熔点
ca 220° dec.

灵敏度
Air Sensitive. Store under Nitrogen. Ambient temperatures.

形态
Crystalline powder

溶解性
Soluble in water, alcohol, acetic acid and aqueous ammonia. Insoluble in ether, acetone, ethyl acetate, benzene, carbon disulfide and carbon tetrachloride

Beilstein
1721408

Merck
14,2781

GHS危害和防范说明

GHS符号

Hazard Statements
H302
Harmful if swallowed.

Precautionary Statements
P264-P270-P301+P312a-P330-P501a
Wash thoroughly after handling.Do not eat, drink or smoke when using this product.Do not eat, drink or smoke when using this product.Rinse mouth.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
22
Harmful if swallowed.

安全等级
36-60
Wear suitable protective clothing.This material and its container must be disposed of as hazardous waste

欧盟危险品标志

RTECS
HA1600000

TSCA
是