Category:

Inorganic chemicals/Inorganic acids

CAS NO:

CAS No.: 6303-21-5

EC NO:

228-601-5

Molecular Formula:

H3O2P

Molecular Weight:

65.9964

Specification:

H3PO2

InChI:

InChI=1/H3O2P/c1-3-2/h3H2,(H,1,2)

Packing:

PE plastic drum, net weight 25kg, 250kg or IBC specification 1000kg.

Product description:
I. Property: 1. Chemical Formula: H3PO2 2. Molecular Weight: 66; 3. CAS No.: 6303-21-5; 4. Appearance: Colorless transparent liquid; 5. Solubility: Dissolved in water in any proportion; 6. Stability: generates hydrogen phosphide, phosphoric acid, phosphorous acid and hydrogen if contact with strong heat or oxidant. II. Application: 1. It can be widely used in chemical plating, pharmaceutical, chemical, resin, coating, ink, water treatment and other industries as reducing agent; 2. As antioxidant subtractive color agent in resin production, as fire-retardant plasticizer in plastic industry, as anti-UV additive in textile industry; 3. It is raw material for the synthesis of high-quality hypophosphite products, such as calcium hypophosphite, magnesium hypophosphite, potassium hypophosphite, etc. III. Packing & Precautions: 1. PE plastic drum, net weight 25kg, 250kg or IBC specification 1000kg. 2. Keep in dry and well-ventilated place, away from high temperature, oxidant. Handle with care. To protect from sunlight, high temperature and fireworks. Tightly sealed to avoid leakage. IV. Quality Standard: (Enterprise Standard) No. Index Content Superior 1 Hypophosphorous acid（H3PO2） % ≥ 50.0 2 Phosphorous acid（H3PO3） % ≤ 0.3 3 Sodium（Na）% ≤ 0.25 4 Iron（Fe）% ≤ 0.0005 5 Chlorine（Cl）% ≤ 0.015 6 Color 30APHA 7 Density 1.210-1.265

Uses:

1. It can be widely used in chemical plating, pharmaceutical, chemical, resin, coating, ink, water treatment and other industries as reducing agent; 2. As antioxidant subtractive color agent in resin production, as fire-retardant plasticizer in plastic in

Synonyms:

Hypophosphorousacidcolorlessliq;phosphinic acid 50%;Phosphinic acid;Hypophosphorous acid;phosphenous acid;hydroxy(oxo)phosphonium;

Molecular Structure: