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Triethyloxonium hexafluorophosphate

Also known as: TRIETHYLOXONIUM HEXAFLUOROPHOSPHATE, Triethyloxonium hexafluorophosphate(1-), Oxonium, triethyl-, hexafluorophosphate(1-), triethyl-oxoniuhexafluorophosphate(1-), triethyloxidanium,hexafluorophosphate, triethyloxoniuM hexafluorophosphate(V), TriethyloxoniuM hexafluorophosphate contains diethyl ether as stabilizer, Nsc176022, Meerwein's salt

Triethyloxonium hexafluorophosphate (CAS 17950-40-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H15F6OP and a molecular weight of 248.14700 g/mol. Key properties include a melting point of -145ºC (dec.)(lit.) and a flash point of 57.2 °C. It is classified under GHS with signal word Danger and hazard statements H228 and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
17950-40-2
Jingsj CID
J-14114-0
Molecular Formula
C6H15F6OP
Molecular Weight
248.14700 g/mol
Category
Organohalogen Compounds
Last updated
11/2/2026
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Physicochemical Properties

Melting Point-145ºC (dec.)(lit.)
Flash Point57.2 °C
Exact Mass248.07600
PSA22.82000
LogP4.98080
Vapor Pressure1.84E-06mmHg at 25°C
Refractive Index1.582

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger
  • H228
  • H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of Triethyloxonium hexafluorophosphate?

The CAS number of Triethyloxonium hexafluorophosphate is 17950-40-2.

What are the molecular formula and molecular weight of Triethyloxonium hexafluorophosphate?

Triethyloxonium hexafluorophosphate has molecular formula C6H15F6OP and molecular weight 248.14700 g/mol.

Is Triethyloxonium hexafluorophosphate hazardous?

Triethyloxonium hexafluorophosphate has GHS signal word Danger and hazard statements H228; H314 — Causes severe skin burns and eye damage.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Triethyloxonium hexafluorophosphate (CAS 17950-40-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14114-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.