China Suppliers > Huzhou Shenda Chemical Co., Ltd. > Phosphorous acid
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- Region :China/Zhejiang
- Tel : +86-572-2177381 +86-572-3946661
- Fax : +86-572-3948562
- Email :shendachem@yahoo.com.cn
- URL :www.shendachem.com
- Add :17 Menghu St., Linghu Town, Huzhou, Zhejiang, China.
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Phosphorous acid 13598-36-2
Category : Inorganic chemicals/Inorganic acids
CAS NO : 13598-36-2 EC NO : 237-066-7 MF : H3PO3 MW : 81.9957 Specification : Phosphorous acid 99% Packing : 25KG bag with pallet Product description : CAS No.: 497-19-8
H.S. Code: 2811199090
UN. No.: 2834
Molecular Formular：H3PO3
Molecular Weight: 82.00
Appearance: white crystal
Packing: 25kg/bag
Technical DatasheetItems Specification Top Grade The first grade Appearance White crystal White Crystal Purity(H3PO3)% ≥ 99.0%min 98.5%min Phosphate % ≤ 0.2%max 0.2 %max Chloride (Cl) % ≤ 0.01%max 0.02%max Sulphate % ≤ 0.008%max 0.008%max Iron(Fe) % ≤ 0.003%max 0.005%max Water Solubility Test Excellent Excellent Characteristic:
Colour less crystalline. Density 1.65g/cm3. Easily deliquesce in air and soluble in water. CorrosivenessUsage:
Raw material of the manufacture for phosphite and plastic stabilizer, synthetic fiber, dibasic phosphorous plumbum , glyphosate, water treatment ATMP and potassium phosphine . Using as reducing agent in chemical reaction, and pesticide middle –object.Uses : nylon brighter, plastic stabilizer, synthetic fibre, dibasic phosphorous Plumbum, Glyphosate, Water treatment ATMP and Potassiam phosphibe Synonyms : Phosphonic acid;hydrogen phosphonate;phosphorus(+3) trihydride cation trihydroxide;Orthophosphorus;Orthophosphorous acid;Ortho-Phosphorous acid; Molecular Structure : 
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Phosphorous acid