Phosphorous acid

Lianfeng Chemical has been producing and operating various chemical products for many years. The products of phosphorous acid, acid chloride, etc. are sold at home and abroad, and have won the praise of customers.

Key words:

phosphorous acid | decanoyl chloride | hexanoyl chloride

Classification:

Phosphorous acid

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Phosphorous acid

Product Name	phosphorous acid
English Name	PHOSPHOROUS ACID
Molecular formula	H3PO3
CAS No.	13598-36-2
molecular weight	82.00
United Nations Code	2834
physicochemical properties	Phosphorous acid is a colorless crystal. Relative density 1.651(21.1oC), melting point 73.6oC, boiling point 200oC (decomposition). Soluble in water and alcohol, in the air slowly oxidized to orthophosphoric acid, heated to 180 ℃ when decomposed into orthophosphoric acid and phosphine (highly toxic). Phosphorous acid is a dibasic acid, the acidity of phosphorous acid is slightly stronger than phosphoric acid, it has strong reducibility, easy to reduce Ag ions to metal silver, can reduce sulfuric acid to sulfur dioxide. Phosphorous acid is also strongly hygroscopic and deliquescent.
Product use	Mainly used in the production of phosphite, synthetic fibers and organophosphorus pesticides, but also for the production of efficient water treatment agent ATMP.
Main indicators	Phosphorous acid is a colorless crystal. Relative density 1.651(21.1oC), melting point 73.6oC, boiling point 200oC (decomposition). Soluble in water and alcohol, in the air slowly oxidized to orthophosphoric acid, heated to 180 ℃ when decomposed into orthophosphoric acid and phosphine (highly toxic).
Packaging, storage and transportation	Plastic woven bags lined with plastic bags or kraft paper lined with plastic bags. Net weight 25kg, 500kg or 1000kg.

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