Hypophosphorous Acid 50%

I. Properties
1. Formula: H3PO2
2. Molecular Weight: 66
3. Appearance: A colorless or slightly yellow liquid.
4. Solubility: Soluble in water easily.
5. Stability: When heated strongly or put together with oxidizers, it will be decomposed into hydrogen phosphide, phosphoric acid, Phosphorous acid and hydrogen.

II. Quality standard(forenterprises):
Item Index
The high-Class Product The first-rate
Product The qualifled
Product
H3PO2 Content
Min 50% Min 50% Min 50%
H3PO3 Content
Max 0.5% Max 0.5% Max 1.0%
Na+ Content
Max 0.5% Max 1.0% ------
Fe2+ Content
Max 0.0005% Max 0.005% ------
Cl- Content
Max 0.015% Max 0.02% ------

III. Application:
Hypophosphorous acid is usually used as a reducing agent for chemical plating, medicine, and as a hypochromic-antioxidant for resin, a fire retardant and plasticizing agent, an uvioresistant agent for textile. It may be prepared for various kinds of hypophosphorates.

IV. Envelopment, points for attention:
The product is 25kg\250kg or 1000kg in net weight, enveloped in the plastic barrel. It should be kept in a ventilate, dry place and from high temperature, oxidizers, handled gently, not being splashed out because of the trong corrosiceness.