Product Name          

Phosphorous acid     CAS No:10294-56-1

CAS NUMBER

13598-36-2

Chemical Formula

H3PO3

Propertities

white crystal, garlic odor, easy to absorb unstable compounds' moisture. When exists the oxygen and the temperature is 180-200°C, it decompounds into ortho-phosphoric acid and phosphine. Soluble in water and lower alcohol easily, and it's a strong reducing agent, when heat quickly ,will produce red phosphorus.stores in cool and ventilative storehouse, Prevents the rain drenches. When transporting should lightly unload with light packs, be sure not to roll and to invert. When transport by the sea and the inland water transport cannot lay aside in the deck.

                                     SPECIFICATIONS

Appearance

white crystal                       pale-yellow liquid

Main content

98.5% min                           77-80%

Chloride

0.01% max                           0.03% max

Fe

0.0015%max                        0.004% max

Sulfate

0.008% max                         ----------------

Phosphate

0.2% max                             ----------------

Insoluble

                           0.2% max

Color

                           50 max

Usage

This product mainly is suitable for the raw material for production, such as the phosphite, plastic

Stabilizer, the synthetic fiber and intermediate

Material in the production of pesticide glyphosphate ethephon. Also uses in producing highly effective water treatment agent ATMP and so on.

Package

(1) crystal:A 25kgs/bag, inner packaging adopts double ply polythene film bag, external packaging is plastic woven bag B: 50kgs in paper drum or metal; C: 1000kgs in big bag D: According to buyer request;(2) liquid: 300Kgs/drum.