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Phosphorous acid 99% min

Phosphorous acid 99% min
Product Detailed
Related Categories:Inorganic Acids
1)Our Phosphorous acid was PRODUCED BY PCl3 DIRECTLY 2)NO RECYCLE MATERIAL INSIDE 3)Favorable price + trustworthy quality Specifications

1.  Chemical Name:  Phosphorous Acid

2.  Synonyms: Orthophosphorous acid; Phosphonic acid

3.   CAS No.: 13598-36-2

4.   EC No.: 233-663-1

5.  Transportation Info:

Class 8;

UN2834;

PG III

                                                                      Phosphorous acid

Molecular weight81.99
CAS No.13598-36-2
Density1.65
Melting point73

Boiling point

200
CharacterAchromatic crystal,density1.65g/m3,better hygroscopi-city,dissolved easily in the water,has corrosive characteristics
UsageWidely used as the raw materials to make phosphorous acid salt,used as the raw materials for making of plasticstabilizator in the plastic industry,used as reducer in chemical reaction,also used in the olefin industry, agricultural chemical industry and so on.
ExportFilm Plastic Knitted Bag,kraft paper complex bag innerlayer,double layers plastic bag with net weight of 25kg

          Quality Index(The Chemistry Industry HG/T2520-93Standards of the Peoples Republic of China)

Inspection items               The degree of the products
Best GradeProductsBest GradeProductsFirst gradeproducts
Main contents(counted with H3PO3)9998.598
Iron(counted with Fe)0.0010.00150.0020
Chloride(counted with C1)0.0080.010.01
Sulfate(counted with SO4)0.0010.0020.002
Phosphate(counted with SO4)0.1

0.2

0.2
ComplexionWhite crystalWhite crystalWhite crystal
Water solution experimentsWhite crystalClear and achromaticClear and achromatic

PropertiesPhosphorous acid 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 °CBoiling Point: 200 °C (Decomposes)Solubility: Easily soluble in water and alcohol.

ApplicationsPhosphorous 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.

Packing25kg / 500kg / 1000kg in woven bag lined with double layer polythene bag.The packaging should be marked with "CORROSIVE"sign.

Output 30,000 tons per year

Phosphorous acid 99% min



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