Identification M.F.: (C6H14NO5)2SO4.2K M.W.: 605.52 CAS Number: 14999-43-0Specification: USP standard Identification: positive Characteristics: white crystalline fine powder Assay: 98-102% Specific rotation: +50' to +52' Residue on ignition: 27-29% pH: 3.0-5.0 Sulphate: 15.5-16.5% Sodium: no yellow color to a nonluminous flame Loss on drying: 1.0%max. Heavy metals (lead): 10ppm max. As: 3ppm max. Organic violatile impurities: complies Total plate count: 1000cfu/g max. Yeast & mold: 100cfu/g max. E. Coli: negative Salmonella: negative Particles size: according to customers' demandsPacking: 25kg cardboard drumWe also could produce Granular Grade DC 95% (PVP K-30 or HPMC 5%), the granulationmeets following standard:1. Using 95% Glucosamine Series.2. Using 5% PVP K-30 or HPMC as granulating agent.3. Whole granulating procedure complies with GMP (USA).4. Granular is Direct Compressive, especially for tableting plants. producing area:China