1,1,1,3,3,4,4,4-Octafluoro-2-butanol

Also known as: 1,1,1,3,3,4,4,4-Octafluoro-2-butanol, 1,1,1,3,3,4,4,4-octafluorobutan-2-ol, 2-Butanol, 1,1,1,3,3,4,4,4-octafluoro-, perfluoromethyl perfluoroethylcarbinol

1,1,1,3,3,4,4,4-Octafluoro-2-butanol (CAS 127256-73-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H2F8O and a molecular weight of 218.04500 g/mol. Key properties include a density of 1.655 g/mL at 25ºC(lit.) and a flash point of 10.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 127256-73-9
Jingsj CID: J-988132-1
Molecular Formula: C₄H₂F₈O
Molecular Weight: 218.04500 g/mol
Category: Alcohols
Last updated: 11/2/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Density	1.655 g/mL at 25ºC(lit.)
Flash Point	10.0 °C
Exact Mass	217.99800
PSA	20.23000
LogP	2.10720
Refractive Index	n20/D 1.3(lit.)

Frequently Asked Questions

What is the CAS number of 1,1,1,3,3,4,4,4-Octafluoro-2-butanol?

The CAS number of 1,1,1,3,3,4,4,4-Octafluoro-2-butanol is 127256-73-9.

What are the molecular formula and molecular weight of 1,1,1,3,3,4,4,4-Octafluoro-2-butanol?

1,1,1,3,3,4,4,4-Octafluoro-2-butanol has molecular formula C4H2F8O and molecular weight 218.04500 g/mol.

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

Last updated: 11/2/2026

How to cite: Jingsj. "1,1,1,3,3,4,4,4-Octafluoro-2-butanol (CAS 127256-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-988132-1 (accessed 2026-11-07).

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