L-Cysteine Base
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Category：Amino Acids Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Product name: L-Cysteine Base
It also known as cysteine, is a non-essential amino acid for human body. Amino acid is the constituent unit of protein, and protein is the material basis of life. It is composed of protein from human beings to microorganisms. Chemicalbook protein is composed of peptides, and the peptide chain of peptides is composed of amino acids. Different proteins are composed of peptide chains with different sequences and lengths of amino acids. Genes related to heredity are actually amino acid chains with different sequences.
Description
It is white crystal or crystalline powder. It is soluble in water, ethanol, acetic acid and ammonia, insoluble in ether, acetone, ethyl acetate, benzene, carbon disulfide and carbon tetrachloride. It can be oxidized to cystine by air in neutral and weakly alkaline solutions.
Application
In the food industry, it can be used as a nutritional supplement, as well as a raw material for flavors and fragrances. In the daily chemical industry, it can also be used as a raw material for whitening cosmetics and hair dye preparations with no toxic side effects.
Specification
Appearance White crystal or crystalline powder Identification In accordance with standard retention time Specific rotation +8.3°~ +9.5° Transmittance Not less than 95.0% Ammonium Not more than 0.02% Sulfate Not more than 0.03% Heavy Metal Not more than 10ppm Iron Not more than 10ppm Arsenic Not more than 1ppm Other amino acids Not detected Loss on drying Not more than 0.5% Residue on ignition Not more than 0.2% Assay 98.0~102.0% PH 4.5~5.5 Packing 25kg/drum or as customer’s requirements. Storage Preserve in well-closed containers. Stored in cool, dry and ventilated warehouse, and keep away from moisture.
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