Product name: Disodium hydrogen phosphite
CAS: 13517-23-2
Molecular formula: Na2HPO3.5H2O
Molecular weight: 216
Quality indicators
Content, %: ≥ 98.0
Chloride, %: ≤ 0.02
Sulfate, %: ≤ 0.08
Iron, %: ≤ 0.0025
Heavy metals (calculated as Pb), %: ≤ 0.0025
Product application
This product is a slightly red rhombic crystal. The performance is quite stable at room temperature. When heated, it decomposes and releases hydrogen gas and phosphine, and generates orthophosphate or pyrophosphate. Mainly used as a reducing agent, it can reduce metal salts to corresponding metals.
Packaging and transportation
Annual production capacity: 2000 tons/year.
Packaging: 25kg plastic woven bag, lined with two layers of plastic bags; Net weight of 25kg.
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