- Animal Extract[1]
- Animal Feed[13]
- Other Agriculture Products[1]
- Other Plant & Animal Oil[1]
- Plant Extract[10]
- Children's Clothing Sets[4]
- Rhinestones[3]
- Essential Oil[1]
- Food Processing[3]
- Adhesives & Sealants[10]
- Agrochemicals & Pesticides[5]
- Nitrogen Fertilizer[1]
- Organic Fertilizer[1]
- Other Fertilizers[2]
- Amine[2]
- Benzene & Derivatives[1]
- Organic Acid[6]
- Organic Salt[2]
- Chemical Auxiliary Agent[13]
- Chemical Reagents[2]
- Daily Chemicals[4]
- Feed Additives[4]
- Food Additives[18]
- Alkali[3]
- Inorganic Acids[1]
- Borate[1]
- Carbonate[4]
- Chlorate[2]
- Chloride[9]
- Halide ( Except Chloride )[2]
- Other Inorganic Salts[7]
- Phosphate[4]
- Sulphate[6]
- Oxide[21]
- Organic Intermediate[17]
- Other Chemicals[1]
- Dyestuffs[4]
- Pigment[3]
- Polymer[4]
- Aluminum Composite Panels[1]
- Multifunctional Materials[1]
- Other Plastic Building Materials[3]
- Wallpapers/Wall Coating[1]
- Other Petrochemical Related Products[4]
- Paraffin[6]
- Vaseline[1]
- Other Scarves & Shawls[1]
- Cocoa Butter[1]
- Cocoa Powder[4]
- Flavor Enhancers[1]
- Starch[1]
- Yeast[15]
- Ketchup[4]
- Monosodium Glutamate[1]
- Single Spices & Herbs[1]
- Sugar[1]
- Snacks[1]
- Other Outdoor Furniture[1]
- Candles[1]
- Decorative Flowers & Wreaths[3]
- Healthcare Supplement[3]
- Herbal Medicine[1]
- Medical Consumables[4]
- Pharmaceutical[17]
- Laser Equipment[2]
- Lift Tables[2]
- Plastic Product Making Machinery[1]
- Aluminum Wire[1]
- Ceramics[1]
- Other Non-Metallic Mineral Deposit[2]
- Zinc[1]
- Empty Capsules[1]
- FIBC Bag[1]
- Packaging Bags[2]
- Packaging Boxes[1]
- Butyl Rubber[1]
- Polypropylene Fiber[2]
Phosphorous acid
Phosphorous acid
Main contents:99% min
Iron: 0.001% max
Chloride: 0.008% max
Sulfate: 0.001% max
Products’ Name | Phosphorous acid |
Molecular formula | H3PO3 |
Structure formula |
|
Molecular weight | 81.99 |
CAS No. | 13598-36-2 |
Density | 1.65 |
Melting point | 73°C |
Boiling point | 200°C |
Character | Achromatic crystal,density1.65g/m3,better hygroscopi- |
Usage | Widely used as the raw materials to make phosphorous |
| Packing | Film Plastic Knitted Bag,kraft paper complex bag inner |
Quality Index(The Chemistry Industry HG/T2520-93Standards of the Peoples’
Republic of China)
Inspection items | The degree of the products | ||
Best Grade | Best Grade | First grade | |
Main contents(counted with H3PO3) | 99 | 98.5 | 98 |
Iron(counted with Fe) | 0.001 | 0.0015 | 0.0020 |
Chloride(counted with C1) | 0.008 | 0.01 | 0.01 |
Sulfate(counted with SO4) | 0.001 | 0.002 | 0.002 |
Phosphate(counted with SO4) | 0.1 | 0.2 | 0.2 |
Complexion | White crystal | White crystal | White crystal |
Water solution experiments | White crystal | Clear and achromatic | Clear and achromatic |