Search for ingredients (by product name, CAS number, or active ingredient name) above and press enter
Search for ingredients (by product name, CAS number, or active ingredient name) above and press enter
Other Name：L-Cysteine HCL Anhydrous / Monohydrate
CAS Number：52-90-4 / 7048-04-6
Molecular Formula：C3H7NO2S
Molecular Weight：121.15
Assay：99%
Standard：USP
Country of Origin：China
Shelf Life：2 Years
Product description:
L-cysteine, also known as cysteine, is a non-essential amino acid in human body. Amino acid is the constituent unit of protein. Protein is the material basis of life. From human to microorganism, all of them are composed of protein. Proteins are composed of peptides, and the peptide chains of peptides are composed of amino acids. Different proteins are composed of amino acids in different order and length of peptide chains. Genes related to heredity are actually amino acid chains in different order.
Specification:
ITEMS | STANDARDS |
Characters | A white crystalline powder, or colorless crystals, freely soluble in water, slightly soluble in alcohol, practically insoluble in ether |
Infrared Spectrum | Compares to standard |
Specific Rotation | +5.5°~+7.0° |
Appearance of Solution | Clear and not more intensely colored than reference solution BY6 |
Ninhydrin-positive Substances | NMT0.5% |
Sulfate(SO4) | NMT300ppm |
Ammonium(NH4) | NMT200ppm |
Chloride (Cl) | 19.89%~20.29% |
Iron(Fe) | NMT20ppm |
Heavy Metals | NMT10ppm |
Lead | NMT3.0ppm |
Arsenic(As2O3) | NMT3.0ppm |
Loss on Drying | 8.0%~12.0% |
Sulphated Ash | NMT0.1% |
Assay | 99.0%~100.5% |
Conclusion | The product meets the requirements of EP7. |
Application:
1. L-Cysteine Hydrochloride Monohydrate is widely used in fields of medicine, food processing, biological study, materials of chemical industry and so on.
It is a promotor for bread fermentation. It promotes the form of glutelin and prevents from getting ageing.
2. Used in cosmetic.
3. It is used in natural fruit juice for preventing Vitamin C oxide. It has a detoxification for poison of acrylonitrile aromafic acid. It is used for protecting against radiation harm and therapy of bronchitis and liquefy sputum.
Function:
1. Food grade: flour improver, nutritional supplement, antioxidants;
2. Medicine grade: In pharmacy, used in the treatment of radioactive drugs poison, heavy metal poison, toxic hepatitis, serum sickness, and can prevent liver degeneration;
3. Cosmetics additive: whiting skin, dissolving cutin, anti-aging. The component of cosmetics marcel extract, sunscreen, germinal perfume, hair essence.
Certificate Availability
ISO9001
HALAL
KOSHER
Packaging Details
PackingPacked in paper-drums and two plastic-bags inside
For minimal quantity1 kg/aluminium foil bag, 5 bags in a carton.
For large quantity25 kg/fiber drum in net weight; 28 kg/fiber drum in gross weight (can be customized).
Other
Storage condition: Stored in a well-sealed container in a dry, cool place, keep away from strong light and heat.
Shelf life: 24 months under the conditions above and in its original packaging.
Block 25-26, Zhongbang MOHO, No.2008 Lihu avenue, Wuxi City, Jiangsu China 214125
5716 Corsa Ave Suite 110, Westlake Village, CA 91362
