L - sérine

Product name: L-Serine Description It occurs as a white crystalline powder. It is soluble in water, but is insoluble in alcohol and in ether. It melts with decomposition at about 228° Applications It can be used as a biochemical reagent and a food additive. It can also be used as a nutritional supplement and as a skin nutrition additive in cosmetics. Specification Appearance White or almost white, crystalline powder or colourless crystals Appearance of solution Clear and not more intensely coloured than reference solution BY6 Specific optical rotation +14.0°- +16.0° Ninhydrin-positive substances Any impurity ≤0.5% Chloride ≤0.02% Sulfate ≤0.03% Ammonium ≤0.02% Iron ≤10ppm Heavy metals ≤10ppm Lead ≤5ppm Loss on drying ≤0.5% Residue on ignition ≤0.1% Assay 98.5-101.0% Packing 25kg/ drum or as per requirement. Storage Store in a cool dry place, protected from light.