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2,4,4,4-tetrafluorobut-1-ene

Also known as: 2,4,4,4-tetrafluoro-1-butene, 2,4,4,4-tetrafluorobut-1-ene, 1-butene, 2,4,4,4-tetrafluoro-, PC9729

2,4,4,4-tetrafluorobut-1-ene (CAS 721946-02-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H4F4 and a molecular weight of 128.06800 g/mol. Key properties include a boiling point of 29-31, a density of 1.151g/cm3 and a flash point of -72.242ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
721946-02-7
Jingsj CID
J-1178696-2
Molecular Formula
C4H4F4
Molecular Weight
128.06800 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point29-31
Density1.151g/cm3
Flash Point-72.242ºC
Exact Mass128.02500
LogP2.42200
Refractive Index1.299

Frequently Asked Questions

What is the CAS number of 2,4,4,4-tetrafluorobut-1-ene?

The CAS number of 2,4,4,4-tetrafluorobut-1-ene is 721946-02-7.

What are the molecular formula and molecular weight of 2,4,4,4-tetrafluorobut-1-ene?

2,4,4,4-tetrafluorobut-1-ene has molecular formula C4H4F4 and molecular weight 128.06800 g/mol.

What are the upstream and downstream products of 2,4,4,4-tetrafluorobut-1-ene?

For 2,4,4,4-tetrafluorobut-1-ene, Upstream Products: 1,1,1,3,3-Pentafluorobutane; Downstream Products: 4,4,4-Trifluorobutan-2-one.

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

Last updated:

How to cite: Jingsj. "2,4,4,4-tetrafluorobut-1-ene (CAS 721946-02-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1178696-2 (accessed 2026-11-09).

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