CAS No. 110-15-6

Molecular formula: C₃H₄(COOH)₂

Appearance: white crystal

Content: 99.0-100.5%

Melting point: 184-188C

Ease oxide: 0.07% max.

Sulfate: 0.02% max.

Moisture: 0.5% max.

Ferric: 0.0008% max.

Chloride: 0.005% max.

Arsenic: 0.0002% max.

Heavy metal (as Pb): 0.001% max.

Residue of ignition: 0.02% max.

Water insoluble: 0.01% max.

Packing: 25kg / bag