| CAS Number | 121-45-9 |
| Catalog Description | Trimethyl phosphite, 97% |
| Synonym | Methyl phosphite |
| Synonym | Trimethoxyphosphine |
| MDL Number | MFCD00008350 |
| Linear formula | P(OCH3)3 |
| Master Molecular formula | C3H9O3P |
| Melting point in C | -78° |
| Boiling point in C | 111-112° |
| Flash point in C | 27° |
| Flash point in F | 80° |
| Refractive Index | 1.408 |
| Sensitivity | Air Sensitive |
| Sensitivity | Moisture Sensitive |
| EC Number | 204-471-5 |
| Shipping | Hazardous for shipping |
| CAS Number | 121-45-9 |
| UN# | UN2329 |
| Haz Class | 3 |
| Packing Group | III |
| Signal Word | Danger |
| Pictogram code 1 |
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| Pictogram code 2 |
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| Pictogram code 3 |
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| H Phrases | H301-H315-H319-H335-H226-H361 |
| P Phrases | P210-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501A |
| TSCA | Yes |
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