Quick Detail
Place of Origin
HS-CODE
28-
Package & Delivery Lead Time
Detailed Description
CAS NO.:6303-21-5
UN NO.: 3264
Formula:H3PO2
Molecular Weight :65.99
Melting Point:-25 ℃ (Pure H3PO2)
Boiling Point:108 ℃ (Decomposes)
Specific Gravity:1.274
Flash Point:None
Stability: Stable under ordinary conditions, when heated strongly or put together with oxidizers, it will be decomposed into phosphine, phosphoric acid,and hydrogen.
Solubility in Water: Miscible
Specification:
Appearance Clear to yellowish liquid
H3PO2 50% min
H3PO3 0.3% max
Na 0.1% max
Sulfate 0.005% max
Cl 0.015% max
Fe 5ppm max
Package: in 250KG plastic barrel, 1000L IBC
Usage: HPA used as reductant for drug industry to produce Na, K, Ca, Mn, Fe and Hypophosphorous acid salt, or used in resin antioxidant, plating bath, catalyst, the analysis of arsenic, or used in reagent.
500Mt/year