1H-Perfluorooctane

Also known as: 1H-Heptadecafluorooctane, 1-Hydroperfluorooctane, Octane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8-heptadecafluoro-, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8-Heptadecafluorooctane, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-Heptadecafluorooctane

1H-Perfluorooctane (CAS 335-65-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8HF17 and a molecular weight of 420.066 g/mol. Key properties include a boiling point of 123.5±8.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 36.7±10.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 335-65-9
Jingsj CID: J-22417-9
Molecular Formula: C₈HF₁₇
Molecular Weight: 420.066 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	123.5±8.0 °C at 760 mmHg
Density	1.7±0.1 g/cm3
Flash Point	36.7±10.2 °C
Exact Mass	419.980682
LogP	6.40
Vapor Pressure	16.0±0.2 mmHg at 25°C
Refractive Index	1.260

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 1H-Perfluorooctane?

The CAS number of 1H-Perfluorooctane is 335-65-9.

What are the molecular formula and molecular weight of 1H-Perfluorooctane?

1H-Perfluorooctane has molecular formula C8HF17 and molecular weight 420.066 g/mol.

Is 1H-Perfluorooctane hazardous?

1H-Perfluorooctane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1H-Perfluorooctane?

For 1H-Perfluorooctane, Upstream Products: Perfluorooctyl bromide, Ethyl methacrylate, Perfluorooctyl iodide; Downstream Products: Perfluorooctane, Perfluorohexadecane.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1H-Perfluorooctane (CAS 335-65-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22417-9 (accessed 2026-11-09).

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