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HYPOPHOSPHOROUS ACID
HYPOPHOSPHOROUS ACID
Synonyms: Hypophosphorus Acid, Phosphinic Acid, HPA
I、PROPERTIES
a. Appearance: a colorless liquid
b. Molecular formula:H3PO2
C. Structural formula:
d. Molecular weight: 66 
e. CAS NO.: 6303-21-5
f. Stability: When heated strongly or put together with oxidizers, it will be decomposed into hydrogen phosphate, phosphoric acid, Phosphorous acid and hydrogen.
II、Quality standard (Q/HX200512-01)
Class Item
Index
The high-Class Product
The high- Class Product
The high-Class Product
H3PO2 Content
50% Min.
65% Min.
30-32%
H3PO3Content
0.3% Max.
0.5% Max.
0.3% Max.
Fe2+ Content
5 ppm Max.
8 ppm Max.
5 ppm Max.
Cl- Content
100 ppm Max.
------
100 ppm Max.
SO42- Content
100 ppm Max.
------
100 ppm Max.
Ⅲ. Usage
a. The offer and make phosphate once, for example Calcium Hypophosphite, Magnesium Hypophosphite, Ammonium Hypophosphite, Nickel Hypophosphite, Manganous Hypophosphite, Ferric Hypophosphite, etc.
b. It is extensive to used for the medicine, chemical engineering, coating, electroplate, paint, the chemistry electroplates to wait the aspect conduct and actions restores a molecular weight for with synthesizing regulates.
Ⅳ.Package
The product packed in 25kgs/50kgs/65kgs/225kgs/250kgs plastic drum, also available in 1000kgs/1250kgs IBC.
