4-Bromo-2-ethynyl-1-fluorobenzene

4-溴-2-乙炔基-1-氟苯

Also known as: 1-BROMO-3-ETHYNYL-4-FLUORO-BENZENE, 3-Bromo-6-fluorophenylacetylene, 5-Bromo-1-ethynyl-2-fluorobenzene, 5-Bromo-2-fluorophenylacetylene, Benzene, 4-bromo-2-ethynyl-1-fluoro-, Benzene, 5-bromo-1-ethynyl-2-fluoro-

4-Bromo-2-ethynyl-1-fluorobenzene (CAS 657427-46-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H4BrF and a molecular weight of 199.02000 g/mol. It is also known as 1-BROMO-3-ETHYNYL-4-FLUORO-BENZENE, 3-Bromo-6-fluorophenylacetylene and 5-Bromo-1-ethynyl-2-fluorobenzene. Key properties include a boiling point of 208.8±30.0°C at 760 mmHg, a density of 1.6±0.1g/cm3 and a flash point of 82.8±19.4°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
657427-46-8
Jingsj CID
J-1355608-8
Molecular Formula
C8H4BrF
Chinese Name
4-溴-2-乙炔基-1-氟苯
Molecular Weight
199.02000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point208.8±30.0°C at 760 mmHg
Density1.6±0.1g/cm3
Flash Point82.8±19.4°C

Frequently Asked Questions

What is the CAS number of 4-Bromo-2-ethynyl-1-fluorobenzene?

The CAS number of 4-Bromo-2-ethynyl-1-fluorobenzene is 657427-46-8.

What are the molecular formula and molecular weight of 4-Bromo-2-ethynyl-1-fluorobenzene?

4-Bromo-2-ethynyl-1-fluorobenzene has molecular formula C8H4BrF and molecular weight 199.02000 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Bromo-2-ethynyl-1-fluorobenzene (CAS 657427-46-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355608-8 (accessed 2026-10-25).

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