Appearance: White or off-white crystalline powder Assay (HPLC): 95-102% Acidity: 3.5-5.0 Specific optical rotation: -48°~ -58° Sulfates: 0.05%max
Related substances: Narrow isomer: 0.5%max Cis-and trans-isomers: 0.5%max Unknown monomer: 1.5%max Total impurities: 5.0%max
Residue on ignition: 0.2%max Loss on drying: 2.0%max Heavy metals: < 20ppm
Package: 25kg/fibre drum
Certification: DMF OPEN PART, ISO9001:2008, ISO14001:2004 |