Phosphorous Acid 98 5 Min 99 - Chinaprice: contact company for price
CAS No.: 13598-36-2
UN No.: 2834
Chemical Formula: H3PO3
appearance: White crystalline
Place of Origin: China
Grade Standard: Industrial Grade
Analysis Top Grade
Appearance White Crystalline
Assay (%) 99.0 Min
Iron (Fe) PPM 10 Max
Chloride (Cl) % 0.01 Max
Sulphate (SO4 )% 0.005 Max
Phosphate (PO4) % 0.1 Max
Heavy Metal % 0.001max
Total organic content (70%soln)% -
Package: 25kg poly bags. 1mt super sacs.
Phosphorous acid is mainly used in the manufacture for phosphates, synthetic fibers and organophosphorus pesticides, etc.. It is also used in producing high performance water treating agent ATMP. It’s used as reducing agent in chemical reaction.
Phosphorous acid is a colorless crystal. It can be slowly oxidized to phosphoric acid in the air. When heated to 180 ℃, 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 ℃)
Melting Point: 73.6 ℃
Boiling Point: 200 ℃ (Decomposes)
Solubility: Easily soluble in water and alcohol.
18, 000 tons per year
- Phone: 008653283868635
- Address: Room 1105, Section A of Ruinacondo, No. 69 Haimen , Qingdao , China
- Website: http://www.wisdom-chem.com
Published date: August 28, 2013 -
- Business Description: Qingdao wisdom international trading co. ltd. is located in the
beautiful coastal city and the sailing capital of Qingdao, it is a set
of import and export of chemicals, production, warehousing, sales
agents group company. The company has abundant capital and technical
strength and rich production and management experience, since its
inception in 2005, has fixed assets of 15 million yuan, with annual
sales of $ 10 million. Established norms marketing system and modern
To provide customers with high quality products, while providing comprehensive after sales service, to do the most reliable supplier of chemicals for the purpose of mission is to pass the brand value of China's chemical enterprises, Qingdao wisdom trade co. Ltd. is moving to capital diversified, scientific management, international business and international competitiveness and influence.group co ltd.
Enterprise mission: To pass the brand value of China's chemical enterprisesCorporate vision: To make the best of a comprehensive chemical ISPCore values: Integrity, responsibility, effort, innovation, persistenceEnterprises and employees Declaration: To provide the most reliable services and products, to abtain the most reasonable returns, to be most reputable company. and people.
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