L Cysteine - C3h7no2s, 98% ~ 101.5% Content | 95% Solubility, Heavy Metal ≤ 10ppm, Loss On Drying ≤ 0.5%

Our company is famous name for exporting and producing of L Cysteine with the following details:
Molecular formula: C3H7NO2S
CAS No.:52-89-1
EINECS number: 200-158-2
Solubility: = 95%
Content: 98% ~ 101.5%
Heavy metal: a 10ppm
Loss on drying: a 0.5%
Residue on Ignition: a 0.1%
PH value: 4.5 ~ 5.5
Iron: a 10ppm
Ammonia salt: a 0.02%
Character: cysteine is white crystal or crystalline powder, soluble in water, slightly stinky, hardly soluble in ethanol, insoluble in ether and other organic solvents.
Use: 1 in cosmetics: used in the production of perm fine, sunscreen, perfume, hair and other fine, such as cysteine substitutions senior perm thioglycollic acid refined, cold wave perm hairstyle, with easy, easy to maintain, soft but not disorderly etc, also can be made and germinal fragrance sunscreen;
2 in medicine: cysteine is mainly used for liver drugs, antidotes, expectorant, medicine.Cysteine and its derivatives can be used for the liver poisoning detoxification, antipyretic and analgesic, ulcer treatment, recovery from fatigue, infusion and comprehensive amino acid preparations, especially for the treatment of bronchitis and expectorant effects of eliminating phlegm.
3 in food: bread fermentation accelerant, antistaling agent.Antioxidant and stabilizer used as fermentation agent, cysteine milk and juice, and pet animal material food nutritional additives etc.;