Products
English name: Phosphorous acid
Molecular formula: H3PO3
Molecular weight: 82.0
CAS No.: 13598-36-2
Properties: This product is colorless crystal, has strong hygroscopicity, is easily soluble in water, and is corrosive.
Quality standard: in line with the national chemical industry HG/T 2520-2006 standard:
Project |
Indicator |
||
Superior product |
First grade |
Qualified product |
|
Exterior |
White crystals, |
||
Phosphorous acid (H 3 PO 3 ), % ≥ |
99.0 |
98.0 |
97.0 |
Chloride (in terms of Cl), % ≤ |
0.001 |
0.01 |
0.02 |
Iron (Fe), % ≤ |
0.0005 |
0.001 |
0.005 |
Phosphate (based on PO 4 ), % ≤ |
0.1 |
0.2 |
0.6 |
Sulfate ( calculated as SO 4 ), % ≤ |
0.0005 |
0.008 |
0.01 |
Uses: used as reducing agent, nylon whitening agent, also used as phosphite raw material, synthetic fiber raw material, pesticide intermediate.
Packing: coated woven bag, kraft paper composite bag lined with double plastic bag, net weight 25kg.
Safety protection: See the Safety Data Sheet for Phosphorous Acid
.