Model NO.: 85% Grade Standard: Industrial Grade Useage: Industry Specification: 85% HS Code: 283529900 Type: Sodium Tripolyphosphate Color: White Trademark: tiger brand Origin: Shangdong Properties
is a colorless crystal. It can be slowly oxidized to phosphoric acid in the air. When heated to 180 ° C, it can be decomposed into phosphoric acid and phosphine (highly toxic). As a dibasic acid, it has slightly ber acidity than phosphoric acid. Phosphorous acid has b reducibility and can easily reduce AG+ to Metal
silver. It can also reduce sulfuric acid to sulfur dioxide. It is corrosive and has b hygroscopicity.
Relative Density: 1.651 (21.1 ° C)
Melting Point: 73.6 ° C
Boiling Point: 200 ° C (Decomposes)
Solubility: Easily soluble in water and alcohol.
Phosphorous acid is mainly used in the production of phosphates, synthetic fibers and organophosphorus pesticides, etc...It is also used in producing high performance water treating agent ATMP.
25kg / 500kg / 1000kg in woven bag lined with double layer polythene bag.
The packaging should be marked with "CORROSIVE"sign.
20, 000 tons per year
| ||A Grade ||B Grade |
|Main Content |
(based on H 3 PO 3 ) (%)
|≥ 99.0 ||≥ 98.5 |
|Iron Content |
(based on Fe) (%)
|≤ 0.001 ||≤ 0.003 |
|Chloride Content |
(based on CL) (%)
|≤ 0.01 ||≤ 0.02 |
|Sulfate Content |
(based on SO 4 ) (%)
|≤ 0.008 ||≤ 0.01 |
|Phosphate Content |
(based on PO 4 ) (%)
|≤ 0.2 ||≤ 0.6 |
|Appearance ||Pure white crystal ||White crystal |
|70% Aqueous Solution Test ||Colorless transparent ||Colorless transparent, without impurities |
|Liquid Phosphorous Acid (%) || ≥ 70-80 ||Colorless, transparent |
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