Products

 

TEL: +86-532-85027466
FAX: +86-532-85028486
E-mail: sales@iro-taihe.com
Web: http://www.iro-taihe.com  
          http://www.iro-taihe.cn
ADD: NO.10 HongKong Middle Rd, Qingdao, China

Home >> Products >> Inorganic Salts

Hypophosphorous Acid(HPA)

CAS No.: 6303-21-5

Molecular Formula: H₃PO₂                                            Molecular Weight: 66

 

Property:

Hypophosphorous Acid(HPA) is a colorless or slightly yellow liquid, soluble in water easily. When heated strongly or put together with oxidizers, Hypophosphorous Acid (HPA) will be decomposed into Hydrogen Phosphide, Phosphoric Acid, Phosphorous Acid and Hydrogen.

specification:

Item	Index
	High-Class	First-Class	Qualifled
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%	--

Use:

Hypophosphorous Acid (HPA) is usually used as a reducing agent for chemical plating,medicine. Hypophosphorous Acid(HPA) is also used a hypochromic-antioxidant for resin, a fire retardant and plasticizing agent, an uvioresistant agent for textile.

Hypophosphorous Acid(HPA) may be prepared for various kinds of hypophosphorates.

Package and Storage:

The product is 25kg/250kg or 1000kg in net weight, enveloped in the plastic barrel. Hypophosphorous Acid(HPA)should be kept in a ventilate, dry place and from high temperature, oxidizers, handled gently, Hypophosphorous Acid(HPA) is not splashed out because of the wrong corrosiceness.

Keywords:

Hypophosphorous Acid, HPPA, HPA, Phosphorous Acid