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Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol

六氟-2,3-双(三氟甲基)-2,3-丁二醇

Also known as: Perfluoropinacol, Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol, 1,1,1,4,4,4-Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol, MFCD00427700

Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol (CAS 918-21-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H2F12O2 and a molecular weight of 334.06000 g/mol. It is also known as Perfluoropinacol, 1,1,1,4,4,4-Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol and MFCD00427700. Key properties include a melting point of 18 °C, a boiling point of 129 °C, a density of 1.870 g/mL at 25 °C and a flash point of 183.5ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
918-21-8
Jingsj CID
J-7214-4
Molecular Formula
C6H2F12O2
Chinese Name
六氟-2,3-双(三氟甲基)-2,3-丁二醇
Molecular Weight
334.06000 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point18 °C
Boiling Point129 °C
Density1.870 g/mL at 25 °C
Flash Point183.5ºC

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol?

The CAS number of Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol is 918-21-8.

What are the molecular formula and molecular weight of Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol?

Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol has molecular formula C6H2F12O2 and molecular weight 334.06000 g/mol.

Is Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol hazardous?

Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol 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. "Hexafluoro-2,3-bis(trifluoromethyl)-2,3-butanediol (CAS 918-21-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7214-4 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.