Triethylphosphine
三乙基膦
Also known as: triethylphosphane, Phosphine, triethyl-, Phosphorus triethyl, (C2H5)3P, AURORA KA-1111, CYTOP 320
Triethylphosphine (CAS 554-70-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H15P and a molecular weight of 118.157 g/mol. It is also known as triethylphosphane, Phosphine, triethyl- and Phosphorus triethyl. Key properties include a melting point of -3ºC, a boiling point of 126.5±9.0 °C at 760 mmHg, a density of 0.88 g/mL at 20 °C and a flash point of 27.2±25.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 554-70-1
- Jingsj CID
- J-35841-1
- Molecular Formula
- C6H15P
- Chinese Name
- 三乙基膦
- Molecular Weight
- 118.157 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -3ºC |
|---|---|
| Boiling Point | 126.5±9.0 °C at 760 mmHg |
| Density | 0.88 g/mL at 20 °C |
| Flash Point | 27.2±25.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Triethylphosphine?
The CAS number of Triethylphosphine is 554-70-1.
What are the molecular formula and molecular weight of Triethylphosphine?
Triethylphosphine has molecular formula C6H15P and molecular weight 118.157 g/mol.
Is Triethylphosphine hazardous?
Triethylphosphine has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triethylphosphine (CAS 554-70-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35841-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.