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L-半胱氨酸
L-Cysteine
产品价格查看更多规格...
产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
3040256 | 50g | 14440 | |||
3040256 | 250g | 1760 | |||
3040256 | 1000g | 9250 |
产品别名
52-90-4
L-半胱氨酸
L-Cysteine
L-2-Amino-3-mercaptopropionic acid
H-Cys-OH
基本信息
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. |
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 |
危险类别 | 22 Harmful if swallowed. |
安全信息
安全等级 | 36-60 Wear suitable protective clothing.This material and its container must be disposed of as hazardous waste |
RTECS | HA1600000 |
欧盟危险品标志 | |
TSCA | 是 |
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. |