Phosphorous Acid 98 5 Min 99 - China

Product Name: Phosphorous acid

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.

Applications

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.

Properties

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.

Output

18, 000 tons per year

Company Contact:

• Posted By: Qingdao Wisdom International Trading Co., LTD

• Phone: 008653283868635

• Address: Room 1105, Section A of Ruinacondo, No. 69 Haimen , Qingdao , China

• Email:

• Website: http://www.wisdom-chem.com

• 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
  
  enterprise system.
  
  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.