Phosphorous Acid

CAS No.: 13598-36-2 or 10294-56-1
EINECS No.: 237-066-7
Molecular formula: H3PO3
Molecular weight: 82

Specification
Item Standard
Class A Class B
Appearance Colorless crystalline Colorless crystalline
Assay 99% min 98.5% min
Chloride (Cl) 0.01% max 0.01% max
Iron (Fe) 0.001% max 0.002% max
Sulfate (SO42-) 0.008% max 0.008% max
Phosphate (PO43-) 0.2% max 0.2% max
Applications
  • Used as reducing agent, nylon whitener, plastic thermometer, synthetic fiber in plastic industry
  • Used as materials for producing weedicide, bactericide and water stabilizer in pesticide industry
Packing and Shelf Life

25kgs/bag, or as 500kgs/1000kgs per jumbo bag
shelf life of one year

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