Pesticide Intermediates H3PO3 Name Phosphorous Acid With Wholesale Price
1. Properties: White crystals, with garlic odor, easily hygroscopic and unstable compounds. Decomposes to orthophosphoric acid and phosphine at 180-200°C in the presence of oxygen. Easily soluble in water and lower alcohols, it is a strong reducing agent and will generate red phosphorus when heated rapidly.
2. Molecular formula: H3PO3 Relative molecular mass: 82.00
3. Production process: divided by raw materials, our factory produces the following two kinds of phosphorous acid: (1) Crystalline industrial phosphorous acid and liquid industrial phosphorous acid obtained by hydrolysis with phosphorus trichloride as raw material (2) Dimethyl phosphite Residual liquid is crystalline industrial phosphorous acid and liquid industrial phosphorous acid obtained by hydrolysis of raw materials.
4. Uses: This product is mainly used as raw materials for the production of phosphite, synthetic fibers and organophosphorus pesticides, etc. It is also used in the production of high-efficiency water treatment agent ATMP, etc.
5. Quality index HG/T2520-93 005
6. Packing: (1) Crystal: 25kgs/bag, the inner packing adopts two-layer polyethylene film bag, and the outer packing is plastic woven bag; (2) Liquid: 300Kgs/drum.
7. Storage and transportation: It should be stored in a dry and ventilated warehouse to prevent rain. When handling, it should be lightly loaded and unloaded, and should not be rolled and inverted. Ocean and inland water transportation cannot be placed on the deck.
8. Safety: This product is corrosive. In case of fire, dry sand and carbon dioxide fire extinguisher can be used to put it out.
|Qualified product||Premium product|
|Total active ingredient content, % ≥||97||98|
|Phosphate salt, %≤||0.6||0.2|
Used as reducing agent in chemical reactions
For synthetic fibers
Reduction of sulfuric acid to sulfur dioxide
Raw materials for the manufacture of phosphites
It is a chemical additive
Used as nylon brightener
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