Orthophosphorus acid
- Product NameOrthophosphorus acid
- CAS10294-56-1
- CBNumberCB12131082
-
MFH3O3P
Lewis structure
- MW82
- EINECS233-663-1
- MOL File10294-56-1.mol
Chemical 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 |
| FDA UNII | 35V6A8JW8E |
| NIST Chemistry Reference | H3PO3(10294-56-1) |
| EPA Substance Registry System | Phosphorous acid (10294-56-1) |
Safety
| Symbol(GHS) |
 
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| 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 | |||||||||
| TSCA | TSCA listed | |||||||||
| NFPA 704: |
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