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phosphorous acid

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Rudong Fuyuan Chemical Co., Ltd

Rudong Fuyuan Chemical Co., Ltd

China

Miembro Básico

Persona de contacto Wendy

Shanghai, Shanghai

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Especificaciones del producto

  • State: Solid
  • Grade Standard: Agriculture Grade
  • Application: Used as a reducing agent, nylon whitening agent, as well as a raw material for phosphates and an int

Descripción del producto

Molecular formula: H3PO3
Molecular weight: *2.*0
Product Usage: Used as a reducing agent, nylon whitening agent, as well as a raw material for phosphates and an intermediate in pesticides.
 
CAS number: *********2
Physical and chemical properties:
colorless crystallization.
Relative density: 1.**1 (*1.2℃).
Melting point: *3.6℃.
Boiling point: **0℃ (decomposition).
Easy to dissolve in water and alcohol.
Has strong hygroscopicity and deliquescence.
Is corrosive.
 
Slowly oxidize to orthophosphate in the air, and decompose into orthophosphate and phosphine (highly toxic) when heated to **0℃.
Phosphorous acid is a dicarboxylic acid with slightly stronger acidity than phosphoric acid. It has strong reducibility and is easy to reduce Ag ions to metallic silver. It can also reduce sulfuric acid to sulfur dioxide.
Packaging: *5kg plastic woven bag, or packaged according to customer requirements.

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