Product Identification | |
Cas No. | 6303-21-5 |
Einecs No. | 228-601-5 |
Formula | h3po2 |
Mol Wt. | 65.99 |
h.s. Code | 2811.19 |
Toxicity | Oral Rat Ld50: >90 Ml/Kg |
Synonyms | Phosphinic Acid; Acide Phosphinique (French); |
Phosphinsäure (German); Ácido Fosfínico (Spanish); | |
Physical And Chemical Properties | |
Physical State | Clear To Yellowish Liquid |
Melting Point | -25 c (Pure h3po2 |
Boiling Point | 108 c (Decomposes) |
Specific Gravity | 1.274 |
Solubility In Water | Miscible |
Nfpa Ratings | Health: 3 Flammability: 2 Reactivity: 2 |
Flash Point | None |
Stability | Stable Under Ordinary Conditions. |
Applications | |
Hypophosphorous Acid Is The Phosphorus Oxo Acid Or Hydroxy Phosphine Oxide, With Monobasic Character. The Term Phosphinic Acid Is For The Descriptive Presentation Of Derivatives Or Salts Which Hydrogen Atoms Bound To Phosphorus Are Replaced By Organic Groups, Called Phosphinates. The Term Hypophosphite Is Also Used For Any Salt, Ester Or Anion Derived From The Name Of Hypophosphorous Acid. Hypophosphorous Acid Is a Low-Melting Point Compound Soluble In Water. It Is a Powerful Reducing Agent. Hypophosphorous Acid And Its Sodium Salt (Sodium Hypophosphite) Are Used As Powerful Reducing Agents In Various Field. (Hypophosphorous Acid Has An Advantage Of Easy Implementation In Solution.) They Are Used In: -1).Pharmaceutic Aid As Antioxidant -2).Retrieval Of Non-Ferrous -3).Ingredient Of Electroless Plating Solutions. -4).Water Treatment Agent -5).Meat Preservative. -6).Prevent The Discoloration Of Polymers -7).Production Of Chemicals | |
Sales Specification | |
50% Grade | |
Appearance | Clear To Yellowish Liquid |
h3po2 | 50% Min |
h3po3 | 1.0% Max |
So4 | 0.01% Max |
Cl | 0.05% Max |
Fe | 0.005% Max |
Transportation | |
Packing | 30kgs , 100kgs In Drum |
Hazard Class | 8 (Packing Group: Ii) |
Un No. | 3264 |
Other Information | |
Hazard Symbols: c, Risk Phrases: 34, Safety Phrases: 26 |
Items | Specifications | Test Results |
H3PO2 % | ≥ 50 | 50.14 |
H3PO3 % | ≤ 0.5 | 0.23 |
Cl % | ≤ 0.015 | 0.011 |
Fe % | ≤ 0.001 | 0.0005 |
Arsenic % | ≤ 0.0001 | 0.00005 |
Lead(Pb) % | ≤ 0.0001 | 0.00005 |
Antimony(Sb) % | ≤ 0.0001 | 0.00004 |
color (APHA) % | ≤ 30 | 11 |
density | 1.219-1.225 | 1.22 |
app. | colorless linquid | |
Appearance | Colorless liquid |