| Identification | |
| Name: | phosphonium |
| Synonyms: | phosphine, conjugate acid |
| CAS: | 13769-19-2;16749-13-6 |
| Molecular Formula: | H3P |
| Molecular Weight: | 33.9976 |
| InChI: | InChI=1/H5P/h1H5 |
| Molecular Structure: |  |
| Properties | |
| Melting Point: | 44.1 deg C |
| Boiling Point: | 280 deg C |
| Safety Data | |
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