L-Cystine

Product name: L-Cystine Description It occurs as colorless to white crystals. It is soluble in diluted mineral acids and in alkaline solutions. It is very slightly soluble in water and in alcohol. Applications In medicine, It is mainly used for various alopecia. It is also used for acute infectious diseases such as dysentery, typhoid, and flu, asthma, neuralgia, eczema, and various poisoning diseases. As a feed nutrition fortifier, it is conducive to animal development, increase body weight and liver and kidney function, and improves fur quality. It can be used as a cosmetic additive to promote wound healing, prevent skin irritation and treat eczema. Specification Appearance White or almost white crystalline powder Appearance of solution Clear and not more intensely coloured than reference solution Y7 Specific optical rotation -218° - -224° Ninhydrin-positive substances Any impurity ≤0.2% Chlorides ≤200ppm Sulfates ≤300ppm Ammonium ≤200ppm Iron ≤10ppm Heavy metals ≤10ppm Lead ≤5ppm Loss on drying ≤0.5% Sulfated ash ≤0.1% Assay 98.5-101.0% Packing 25kg/ drum or as per requirement. Storage Store in a cool dry place, protected from light.