Product Description

Product Description
PHOSPHOROUS ACID
1. Synonyms:
Orthophosphorous acid; Phosphonic acid

2. CAS No.: *********2
3. EC No.: ********1
4. Molecular Weight: *1.**6
5. Molecular Formula: H3PO3
6. Grade Standard: Food Grade, Industrial Grade
7. Purity: *8%, *8.5%, *9%
8. Density: 1.***0
9. M. P.: *3.6° C
*0. B. P.: **0° C (decomposing at **0° C)

*1. 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.

*2. Usage:
Widely used as the raw materials to make phosphorous acid salt, used as the raw materials for making of plastic stabilizator in the plastic industry, used as reducer in chemical reaction, also used in the olefin industry, agricultural chemical industry and so on.

*3. Packing & storage:
For export: Three-ply board drum lined with two-layer vinyon bag, N. W.: *0kg per drum. For domestic sale: Vinyon bag, N. W.: *0kg per bag, or metal pail lined with two-layer vinyon bag, N. W.: *5kg per bag. The sign of "corrosive article" should be on the packing.

Name                                            content
Assay(as H3PO3)                          *9.2%
Fe(as Fe)                                       0.***2%
Chloride(as CL)                              0.*1%
Sulfate(as SO4)                             0.**6%
Phosphate(as PO4)                        0.1%
Heavy element                               0.**1%
Appearance                                   white crystal


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.

Usage:
Widely used as the raw materials to make phosphorous acid salt, used as the raw materials for making of plastic stabilizator in the plastic industry, used as reducer in chemical reaction, also used in the olefin industry, agricultural chemical industry and so on.