... Ascorbic Acid, Free Acid; Vitamin C; L-(+)-Ascorbic acid; VC; ascorbic acid; Vita C BP2005; Vitamine C; ; L-threo-hex-1 ... .0%99.9%Loss on Drying≤0.4%0.04% Residue on ignition£0.1%0.03%Sulfate Ash ... Properties[Appearance]White crystals[mp ]190-194 °C (dec.)[alpha ]20.5 º (c=10,H2O)[density ]1,65 g/cm3[ ... , iron, copper.[Water Solubility ]333 g/L (20 ºC)[Merck ]14,830[BRN ]84272[CAS DataBase Reference]50-81 ...