ascorbic acid is a Food Additives product. Key specs — Origin: china.
Product Description
ASCORBIC ACID (VITAMIN C)
FORMULA: C6H8O6 Molecular Weight: 176.13 CAS No.: 50-81-7 E-Code No.: E-300 EINECS code: 2000662
Appearance: White granular powder, melting at about 190degrees centigrade. Gradually darkens on exposure to light and/or heat, reasonably stable in air when dry, but deteriorates in solution in the presence of air. One gram is soluble in about 3ml of water and in about 30ml of alcohol. It is insoluble in chloroform, in ether, and in benzene.
SPECIFICATION (BP2008/USP31/FCCV) Appearance: White to slightly yellowish crystalline power Identification Positive Reaction Clarity of Solution (5% solution) Clear Color of Solution BY7 Assay 99.0% ~ 100.5% Particle size (%) mesh No.
20 100 Loss on Drying < 0.2% Residue on Ignition Max 0.1% Specific Rotation + 20.5 ~ +21.5 degrees pH (5% in water) 2.2 ~ 2.5 Heavy Metals (as Pb) Max. 10ppm Lead Max. 5ppm Zinc Max. 25ppm Copper Max. 5ppm Iron Max. 2ppm Arsenic Max. 3ppm Oxalic Acid Max. 0.2% Shelf Life 3 Years
PACKING: Two layers of polyethylene liner in net 25kg carton
