50%min Hypophosphorous acid6303-21-5

Formula: H3PO2
Molecular Weight: 66
Appearance: a colorless or slightly yellow liquid.
Solubility:soluble in water easily.

Application:
Hypophosphorous acid is usually used as a reducing agent for chemical plating,medicine,and as a hypochromic-antioxidant for resin,a fire retardant and plasticizing agent,an uvioresistant agent for textile.It may be prepared for various kinds of hypophosphorates.
Envelopment,points for attention:
The product is 25kg,250kg or 1000kg in net weight,enveloped in the plastic barrel.It should be kept in a ventilate,dry place and from high temperature,oxidizers,handled gently,not being splashed out because of the trong corrosiceness.

Stability:

When heated strongly or put together with oxidizers,it will be decomposed into hydrogen phosphide,phosphoric acid,Phosphorous acid and hydrogen.

Quality standard(forenterprises): 

 

 

 

 

 

 

 

Item Index The high-Class Product The first-rate Product The qualifled Product H3PO2 Content Min 50% Min 50% Min 50% H3PO3 Content Max 0.5% Max 0.5% Max 1.0% Na+ Content Max 0.5% Max 1.0% ------ Fe2+ Content Max 0.0005% Max 0.005% ------ Cl- Content Max 0.015% Max 0.02% ------

Item	Index
	The high-Class Product	The first-rate Product	The qualifled Product
H3PO2 Content	Min 50%	Min 50%	Min 50%
H3PO3 Content	Max 0.5%	Max 0.5%	Max 1.0%
Na+ Content	Max 0.5%	Max 1.0%	------
Fe2+ Content	Max 0.0005%	Max 0.005%	------
Cl- Content	Max 0.015%	Max 0.02%	------