| English name: |
Phosphorous acid |
| CAS: |
13598-36-2 |
| Molecular formula: |
H3PO3 |
| MW: |
82 |
| Properties: |
Gravity: 1.651 (21.2 ℃) Melting point 73.6 ℃ Boiling point 200 ℃ (decomposition)
Properties: colorless crystal, deliquescence, soluble in water, soluble in alcohol, set in the air can gradually oxidized into phosphoric acid, heated to above 180 ℃ can be decomposed into phosphoric acid and phosphine. |
| Purpose: |
This product is mainly used in the plastics industry as a reducing agent, nylon brighteners, plastic temperature agents, synthetic fibers, etc., in the pesticide industry as the main raw material for the production of major herbicides, fungicides and water stabilizer. |
| Packaging: |
This product uses the 50 kg and 20 kg metal pail or plastic bag lined with two layers should be dry and ventilated save, IMDG Code 83005 two inorganic acid corrosive goods. |
| Transportation: |
During transport should be covered to prevent rain, moisture, is strictly prohibited and alkalis and oxidizing materials transportation mix |
| Storage: |
It should be stored in a cool, dry place to prevent rain, sun, moisture, heat, and alkalis and oxidizing prohibited items mixed storage. |
| Quality Standard: |
| Index Name |
grade |
| First grade |
Qualified |
| Phosphite,% ≥ |
98.0 |
97.0 |
| Chloride (Cl),% ≤ |
0.01 |
0.02 |
| Sulfate (SO4)% ≤ |
0.008 |
0.01 |
| Phosphate (PO4)% ≤ |
0.2 |
0.6 |
| Iron (Fe)% ≤ |
0.001 |
0.005 |
|
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