タイトルまたは説明

&#***4;. Properties 1. Formula: H3PO2 2. Molecular Weight: *6 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. &#***5;.Quality standard(forenterprises): Item Index The high-Class Product The first-rate Product The qualifled Product H3PO2 Content Min *0% Min *0% Min *0% H3PO3 Content Max 0.5% Max 0.5% Max 1.0% Na+ Content Max 0.5% Max 1.0% *****- Fe2+ Content Max 0.***5% Max 0.**5% *****- Cl- Content Max 0.**5% Max 0.*2% *****- &#***6;. Application: &#****8;&#****8;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. &#***7;.Envelopment,points for attention: &#****8;&#****8;The product is *5kg&#****9;**0kg or ***0kg 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.