L-Cysteine Series
L-Cysteine, L-Cysteine Hydrochloride, L-Cysteine Hydrochloride Monohydrate, L-Cysteine Hydrochloride Anhydrous
L-Cysteine
Descriptions:
L-Cysteine is a white crystalline or crystalline powder with a strange taste and soluble in water. L-Cysteine can be used as raw material for the production of n-acetyl-l-cysteine, carboxymethyl cysteine and other cysteine derivatives.
Applications:
1.In cosmetic respect: be used at production perm essence, sunblock, perfume, raise hair essence to wait, this kind replaces thioacetic acid with L-cysteine advanced perm essence, have perm easy, hairstyle is easy to maintain, soft and not disorderly wait for an advantage, still can make up sunblock and send perfume
2.In medicine: L-cysteine and its derivatives can be used for liver poisoning and detoxification, antipyretic analgesia, ulcer treatment, fatigue recovery, infusion and comprehensive amino acid preparation, especially for expectorant
3.In terms of food, L-cysteine is used as a fermentation aid, antioxidant and stabilizer for milk powder and juice, as well as a nutritional additive for pet animal food
L-Cysteine Hydrochloride
Descriptions:
L-Cysteine hydrochloride is a colorless to white crystalline or crystalline powder with a slight acid taste and a melting point of 175℃ (decomposition).Soluble in water, the aqueous solution is acidic, the pH value of 1% solution is about 1.7, and the pH value of 0.1% solution is about 2.4.Also soluble in alcohol, ammonia and acetic acid, insoluble in ether, acetone, benzene, etc. It has the function of reducing oxidation and preventing nonenzymatic Browning.
L-Cysteine Hydrochloride Monohydrate
Descriptions:
L-Cysteine hydrochloride monohydrate is white or colorless crystal with odorous acid. Soluble in water, very slightly dissolved in ethanol. Insoluble in benzene, ether, acetone, ethyl acetate and carbon tetrachloride. It is stable to acid, and is easily oxidized to l-cystine by air in neutral and alkaline solution. Its hydrochloride is relatively stable, so it is generally made into hydrochloride. Melting point is 175 ℃.1% aqueous solution has a Ph of 1.7.It has the function of reducing oxidation and preventing nonenzymatic Browning.LD50 was 3.46mg/kg.
L-Cysteine Hydrochloride Anhydrous
Descriptions:
L-Cysteine hydrochloride anhydrous white crystal or crystalline powder, widely used in food, medicine and cosmetics, as liver and liver protection drugs, as bread and cake preservation agent and oil ester antioxidant.