Trimethylphosphine
Synonym(s):PMe3;Trimethylphosphane;Trimethylphosphorus
- CAS NO.：594-09-2
- Empirical Formula: C3H9P
- Molecular Weight: 76.08
- MDL number: MFCD00008510
- EINECS: 209-823-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-08-14 17:44:59
What is Trimethylphosphine?
The Uses of Trimethylphosphine
Trimethylphosphine (PMe3) is an electron-rich phosphine ligand used as a reagent in Mitsunobu reaction.
It can be used:
- In transformation of azides into carbamates; aziridines to azidoalcohols; and ketoximes to ketones with 2,2′-dipyridyl diselenide.
- In Aza-Wittig reaction;, C-H bond activation of imines; cross-coupling reactions.
- In the preparation of (cyanomethylene) trimethylphosphorane (CMMP) which is used as a reagent in Mitsunobu type reaction.
- As a reagent in the synthesis of ruthenium trimethylphosphine complexes, which in turn are used as catalysts for hydrogenation of CO2 to formic acid.
Properties of Trimethylphosphine
| Melting point: | -86 °C (lit.) |
| Boiling point: | 38-40 °C (lit.) |
| Density | 0.738 g/mL at 20 °C (lit.) |
| Flash point: | −4 °F |
| storage temp. | 2-8°C |
| form | liquid |
| color | colorless |
| Water Solubility | Soluble in water. |
| Sensitive | Air & Moisture Sensitive |
Safety information for Trimethylphosphine
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Trimethylphosphine
| InChIKey | YWWDBCBWQNCYNR-UHFFFAOYSA-N |
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