Benzene Sulfinic Acid Sodium Salt
Benzene Sulfinic Acid Sodium Salt

Appearance: White powderAssay (by HPLC): 99.5% min

Iron: 0.0001% max

pH ( 1%H2O Solution): 6.5-7.5

Chloride: 0.3% max

Sulfite: 0.0001% max

Sulfate: 0.1% max

Phenothiol: 0.0001% max

NTO: 3.0 max

Heavy metals: 0.01% max