You May Also Be Interested In:
This is to certify that our inspection result of above-mentioned product is as follows:
Molecular Formula H3PO2
Molecular weight 66
Appearance Colorless or yellowish liquid
Solubility Soluble in water easily
Stability When heated strongly or put together with oxidizers, it will be decomposed in hydrogen phosphide, phosphoric acid, Phosphorous acid and hydrogen.
Quality standard (for enterprises) :
The special product The high-class product The first-rate product The qualified product
Hypophosphorous acid (H3PO2) Content 50% Min. 50% Min. 50% Min. 50% Min.
Phosphorous acid (H3PO3) Content 0.5% Max. 0.5% Max. 1.0% Max.
Sodium (Na-) Content 0.6% Max. 1.0% Max.
Ferrum (Fe2+) Content 0.0005% Max. 0.0005% Max.
Sulfate (SO2+4) , Chloride (CL-) Content 0.05% Max. 0.05% Max.
On the consumer's demands, we can produce various degrees of hypophosphorous acid.
Application: The product is widely used as a reducing agent; it can reduce Ag+, C2+, Ni2+, Hg2+, etc into their metals. It is used to analyses reagents such as As, Nb, Ta, etc, and to be produced into various kinds of hypophophorates of Na, K, Ca, Mn, Fe, etc.
Attention: The product should be kept in a ventilate, dry place and from high temperature, oxidizer; handled gently, not being splashed out because of the strong corrosiveness.