LN4701731
Phosphorousacid , 50wt%inWater , 10294-56-1
Synonym(s):
Phosphonic acid
Update time: 2022-07-08
PRODUCT Properties
| pka | 2.22±0.10(Predicted) |
| InChI | InChI=1S/H3O3P/c1-4(2)3/h1-3H |
| InChIKey | OJMIONKXNSYLSR-UHFFFAOYSA-N |
| SMILES | P(O)(O)O |
| CAS DataBase Reference | 10294-56-1 |
| NIST Chemistry Reference | H3PO3(10294-56-1) |
| EPA Substance Registry System | Phosphorous acid (10294-56-1) |
Description and Uses
Phosphorous acid is a reducer in chemical reactions and a raw material in the making of phosphorous acid salts. A plant defoliant.
Safety
| Symbol(GHS) |   GHS07,GHS05 |
| Signal word | Danger |
| Hazard statements | H302-H314 |
| Precautionary statements | P264-P270-P301+P312-P330-P501-P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501 |
| Hazard Codes | Xn,C |
| Risk Statements | 22-35 |
| Safety Statements | 1/2-26-36/37/39-45 |
| RIDADR | UN 2834 |
