| Identification | |
| Name: | Methanephosphonic acid |
| Synonyms: | Methylphosphonic acid |
| CAS: | 993-13-5 |
| EINECS: | 237-027-4 |
| Molecular Formula: | CH5O3P |
| Molecular Weight: | 96.02 |
| InChI: | InChI=1/CH5O3P/c1-5(2,3)4/h1H3,(H2,2,3,4) |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 3261 8/PG 2 |
| Flash Point: | 114.2°C |
| Boiling Point: | 265.2°Cat760mmHg |
| Density: | 1.495g/cm3 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong bases. |
| Refractive index: | 1.431 |
| Solubility: | Soluble in ethanol and ethyl ether; insoluble in benzene In water, >20,000 mg/l (no temperature reported) |
| Appearance: | white crystals or flakes |
| Packinggroup: | II |
| Flash Point: | 114.2°C |
| Sensitive: | Hygroscopic |
| Color: | White solid |
| Safety Data | |
| Hazard Symbols |
C:Corrosive
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