CAS NO.: 6303-21-5

Molecular formula: H₃PO₂

Appearance: Clear colorless liquid

H₃PO₂ Content: 50% Min.

H₃PO₃ Content: 0.3% Max.

Iron: 0.0005% Max.

Sodium: 0.050% Max.

Chloride: 0.010% Max

Sulphate: 0.010% Max.

Calcium:  0.010% Max.

Copper: 1ppm max.

Arsen: 1ppm max.

Lead: 1ppm max.

Sb: 1ppm max.

Color (Hazen): 30 max

Specific gravity: 1.190-1.220

Packing: net25kg /250kg/drum or 1mt /IBC