Appearance:White odorless, crystalline powder or granules
Assay(on dry basis) 99.0 - 100.5%
Chemical Formula C6H8O6
Specific rotation -16.5 --- -18.0 o
Residue on ignitionc < 0.3%
Loss on drying < 0.4%
Particle size 40 mesh
Heavy metal < 10 ppm max
Lead < 5 ppm
Arsenic < 3 ppm
