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hexafluoro-2-butyne

Also known as: 1,1,1,4,4,4-Hexafluoro-2-butyne, 1,1,1,4,4,4-hexafluorobut-2-yne, 1,2-Bis(trifluoromethyl)ethyne, 2-Butyne,1,1,1,4,4,4-hexafluoro, Butyne 06, CF3CequivCCF3, EINECS 211-732-7, HEXAFLUORO-2-BUTYNE, Hexafluoro-2-butyne, Hexafluorobut-2-yne, Hexafluorobut-2-yne99%, Hexafluorobutyne-2, MFCD00039264, Perfluoro-2-butyne, butyne06, hexafluoro-2-butyn, hexafluorobutyne, perfluoro-2-butyne, perfluorobut-2-yne

hexafluoro-2-butyne (CAS 692-50-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4F6 and a molecular weight of 162.03300 g/mol. Key properties include a melting point of −117 °C(lit.), a boiling point of −25 °C(lit.), a density of 1,602 g/cm3 and a flash point of -36ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
692-50-2
Jingsj CID
J-12721-3
Molecular Formula
C4F6
Molecular Weight
162.03300 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−117 °C(lit.)
Boiling Point−25 °C(lit.)
Density1,602 g/cm3
Flash Point-36ºC
Exact Mass161.99000
LogP2.11440
Vapor Pressure105 psi ( 20 °C)
Refractive Index1.281

Customs & Trade Information

HS Code2903399090
Summary2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of hexafluoro-2-butyne?

The CAS number of hexafluoro-2-butyne is 692-50-2.

What are the molecular formula and molecular weight of hexafluoro-2-butyne?

hexafluoro-2-butyne has molecular formula C4F6 and molecular weight 162.03300 g/mol.

What are the upstream and downstream products of hexafluoro-2-butyne?

For hexafluoro-2-butyne, Upstream Products: 2H-Nonafluorobutane, Hexafluoro-1,3-butadiene, hexafluorocyclobutene; Downstream Products: Hexafluoro-2,2,3,3-tetrachlorobutane, (Z)-1,1,1,4,4,4-hexafluoro-2-butene, trans-1,1,1,4,4,4-Hexafluoro-2-butene.

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

Last updated:

How to cite: Jingsj. "hexafluoro-2-butyne (CAS 692-50-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12721-3 (accessed 2026-11-06).

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