Origin

China

Ascorbic Acid Specification: BP2000, USP24; Appearance: White crystalline powder; Identification: Positive reaction; Clarity of solution: Meet the requirements; Colour of solution: NMT BY7; Melting point: About 190; Specific optical rotation: +20.5~+21.5; Ph value: 2.1-2.6; Copper salt: NMT 5ppm; Heavy metals: NMT 10ppm; Molysite: NMT 2ppm; Oxalic acid: NMT 0.2%; Sulphated ash: NMT 0.1%; Organic volatile impurities: Meet the requirements; Assay: 99.0-100.5%

Ascorbyl Palmitate Specification: EP4/BP2000/FCC4; Appearance: White or almost white powder; Identification: IR or Chemical Method; Appearance of solution: Clear and NMT BY4; Melting point: 107 ~ 117; Specific rotation: +21.0 ~ +24.0; Loss on drying: NMT 1.0%; Residue on ignition: NMT 0.1%; Heavy metals: NMT 10 PPM; Organic volatile impurities: Meet the requirements; Assay (On dried basis): 98.0~100.5%