Product Name:

Hypophosphorous Acid (Phosphinic Acid)

WCode:

08-025

CAS No.

6303-21-5

Molecular Formula:

H3PO2

Formula Weight:

66

           

Physical and Chemical Properties

Physical State

Clear to yellowish liquid

Melting Point

-25°C (Pure H2PO2)

Boiling Point

108°C (Decomposes)

Specific Gravity

1.274

Solubility in Water

Miscible

NFPA Ratings

Health: 3;  Flammability: 2;  Reactivity:2

Flash Point

None

Stability

Stable under ordinary conditions

 

 

Applications

Hypophosphorous Acid is a powerful reducing agent. Hypophosphorous Acid has same applications with sodium hypophosphite (formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of precious or non-ferrous metals) 

 

Sales Specification

Appearance:

Colorless liquid

H3PO2:

50% Min

H3PO3:

0.3% Max

Fe:

0.0005% Max

SO4:

0.015% Max

Cl:

0.015% Max

Heavy metals as Pb:

0.0002% Max

As:

0.0001% Max

 

 

Packing

In 250 KG plastic drum

 

 

Transportation

UN No:

3264

Hazard Class:

8

Packing Group:

II