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Perfluorooctanesulfonyl fluoride

Also known as: Perfluoro-1-octanesulfonyl fluoride, Heptadecafluoro-1-octanesulfonyl fluoride, Heptadecafluorooctanesulfonyl fluoride, Perfluorooctylsulfonyl fluoride, n-Perfluorooctanesulfonyl fluoride, Perfluoro-n-octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-1-octanesulfonyl fluoride, n-C8F17SO2F, FX-8, MFCD00012016, EINECS 206-200-6

Perfluorooctanesulfonyl fluoride (CAS 307-35-7) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8F18O2S and a molecular weight of 502.121 g/mol. Key properties include a melting point of -1 °C, a boiling point of 154.1±40.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 47.0±27.3 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
307-35-7
Jingsj CID
J-42668-6
Molecular Formula
C8F18O2S
Molecular Weight
502.121 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-1 °C
Boiling Point154.1±40.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point47.0±27.3 °C
Exact Mass501.933167
PSA42.52000
LogP9.47
Additional Property>1 (vs air)
Vapor Pressure4.1±0.3 mmHg at 25°C
Refractive Index1.286

GHS Safety & Compliance

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

Customs & Trade Information

HS Code2904909090
SummaryHS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Perfluorooctanesulfonyl fluoride?

The CAS number of Perfluorooctanesulfonyl fluoride is 307-35-7.

What are the molecular formula and molecular weight of Perfluorooctanesulfonyl fluoride?

Perfluorooctanesulfonyl fluoride has molecular formula C8F18O2S and molecular weight 502.121 g/mol.

Is Perfluorooctanesulfonyl fluoride hazardous?

Perfluorooctanesulfonyl fluoride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Perfluorooctanesulfonyl fluoride?

For Perfluorooctanesulfonyl fluoride, Upstream Products: perfluorooctanesulphonyl chloride, 1-Octanesulfonyl chloride, HYDROFLUORIC ACID; Downstream Products: Methyl perfluorooctanoate, Perfluorooctane, Perfluorooctanoyl chloride.

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

Last updated:

How to cite: Jingsj. "Perfluorooctanesulfonyl fluoride (CAS 307-35-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42668-6 (accessed 2026-11-06).

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