Trimethylphosphine
Also known as: Trimethylphosphorus, PHOSPHORUS TRIMETHYL, Trimethyl-phosphane, (CH3)3P, EINECS 209-823-1, MFCD00008510, Trimethylphosphine solution, Trimethylphosphineminampouled, TrimethylphosphineSureSealbottlecolorlessliquid
Trimethylphosphine (CAS 594-09-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H9P and a molecular weight of 76.077 g/mol. Key properties include a melting point of −86 °C(lit.), a boiling point of 40.5±9.0 °C at 760 mmHg, a density of 0.872 g/mL at 25 °C and a flash point of -30.0±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 594-09-2
- Jingsj CID
- J-1498277-8
- Molecular Formula
- C3H9P
- Molecular Weight
- 76.077 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −86 °C(lit.) |
|---|---|
| Boiling Point | 40.5±9.0 °C at 760 mmHg |
| Density | 0.872 g/mL at 25 °C |
| Flash Point | -30.0±0.0 °C |
| Exact Mass | 76.044189 |
| PSA | 13.59000 |
| LogP | 0.82 |
| Vapor Pressure | 433.8±0.1 mmHg at 25°C |
| Refractive Index | n20/D 1.428(lit.) |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H351 — Suspected of causing cancer
Frequently Asked Questions
What is the CAS number of Trimethylphosphine?
The CAS number of Trimethylphosphine is 594-09-2.
What are the molecular formula and molecular weight of Trimethylphosphine?
Trimethylphosphine has molecular formula C3H9P and molecular weight 76.077 g/mol.
Is Trimethylphosphine hazardous?
Trimethylphosphine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.
What are the upstream and downstream products of Trimethylphosphine?
For Trimethylphosphine, Upstream Products: Methyllithium, 1-Benzothiophene, iodomethane; Downstream Products: Trimethylphosphine oxide, Dimethyl methylphosphonate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylphosphine (CAS 594-09-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498277-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.