Phosphorous acid
Synonyms:
Orthophosphorous acid; Phosphonic acid
CAS No.: 13598-36-2
Ec no.: 233-663-1
Molecular weight: 81.996
Molecular formula: H3po3
Density: 1.6510
M. P.: 73.6° C
B. P.: 200° C (decomposing at 180° C)
Application:
Phosphorous acid is used in synthesis of phosphite salts, plastic stabilizers, pesticides, water-treatment chemicals, phosphite fertilizers for fruits like citrus and orange, vegetables, economic crops etc., cosmetics additives.
Standard packing:
1) 25kgs/PP woven bag with double PE inner bags, 20-25mt/20' FCL
2) 500, 1000kgs/jumbo bag, 20mt/20' FCL
3) iron drum or plastic drum
4) for 70% solution, packing is 25kg/plastic pail, 250kg/plastic drum or 1300kg/ibc
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Risks and safety info
Class 8; Un2834; Pg iii
Specification:
| Items | Super Grade | Best Grade | First Grade |
| content (%) ≥ | 99.0 | 98.5 | 98 |
| Iron (%) ≤ | 0.001 | 0.0015 | 0.0020 |
| chloride (%) ≤ | 0.008 | 0.01 | 0.01 |
| Sulphate (%) ≤ | 0.001 | 0.002 | 0.002 |
| Phosphate (%) ≤ | 0.1 | 0.2 | 0.2 |
| Complexion | White crystal | White crystal | White crystal |
| Water solution experiments | White crystal | Clear and achromatic | Clear and achromatic |
| Packing | 25kg PP bag with PE liner, 500kg , 1000kgs |
| Loading | 22~25mt/20fcl |
Jiangsu Bohan Industry Trade Co., Ltd. now is a leading technology-based manufacturer and distributor with the certificate of ISO9001: 2000. It has developed into a comprehensive enterprise integrating the science and technology, production and management as a whole.
Bohan Chemical Science and Technology Co., Ltd. is the subsidiary company of the Jiangsu Bohan. It is the base for scientific research, production and storage, focusing on the field of water treatment chemicals\phosphates and feed/food ingredients. Tolyltriazole (TTA), Phosphorous Acid/Phosphoric Acid/MKP/UP/STPP/SHMP, new type sweeteners, vitamins, amino acid are our main products. This three series of products have already found a good sale in such developed countries as Japan, U. S. A., UK, etc.
From raw material purchasing, developing, manufacturing to quality testing, Bohan develops a professional management system to control all stages, which guarantees the quality of every batch delivered to our customers. According to the international standard, Bohan is proceeding its Q/C with "Di-test system" which means quality evaluation to be conducted both by Bohan's in-house lab and the third party to catch the key points and guarantee the consistent creditability and safety.
Bohan takes sincerity as the purpose, quality as its life and service for the direction, actively cooperates with domestic and international traders for seeking the mutual development.
