| PRODUCT NAME | : | TRIMETHYLPHOSPHITE |
| CAS number | : | 121-45-9 |
| UN number | : | 2329 |
| Formula | : | CH3(O)3P |
| Odour | : | |
| Solubility in water | : | INSOLUBLE |
| Density | : | 1.046 at 20 0C |
| Boiling point | : | 111 0C |
| Melting point | : | -78 0C |
| Viscosity | : | |
| Flashpoint | : | 37 0C |
| Explosive limits | : | |
| Vapour pressure | : | 28 mbar at 20 0C |
| Skin absorption/irritation | : | YES |
| TLV Country NL Year 1995 | : | 2 ppm 10 mg/m3 |
| Pollution category 1994 | : | III |