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1-bromo-4-(phenylethynyl)benzene

Also known as: 4-bromo diphenylacetylene, 1-(4-bromophenyl)-2-phenylacetylene, 1-bromo-4-(2-phenylethynyl)benzene, 4-bromophenylethynylbenzene, p-bromotolan, p-bromotolane

1-bromo-4-(phenylethynyl)benzene (CAS 13667-12-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H9Br and a molecular weight of 257.125 g/mol. Key properties include a melting point of 85 °C, a boiling point of 343.4±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 160.5±17.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13667-12-4
Jingsj CID
J-1360142-8
Molecular Formula
C14H9Br
Molecular Weight
257.125 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point85 °C
Boiling Point343.4±25.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point160.5±17.6 °C
Exact Mass255.988754
LogP5.55
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.662

Customs & Trade Information

HS Code2903999090
Summary2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-bromo-4-(phenylethynyl)benzene?

The CAS number of 1-bromo-4-(phenylethynyl)benzene is 13667-12-4.

What are the molecular formula and molecular weight of 1-bromo-4-(phenylethynyl)benzene?

1-bromo-4-(phenylethynyl)benzene has molecular formula C14H9Br and molecular weight 257.125 g/mol.

What are the upstream and downstream products of 1-bromo-4-(phenylethynyl)benzene?

For 1-bromo-4-(phenylethynyl)benzene, Upstream Products: 1-Bromo-4-iodobenzene, Phenylpropiolic acid, 4-Bromophenylboronic acid; Downstream Products: 4-Bromostilbene, (E)-1-Phenyl-2-(4-bromophenyl)ethene, 2-Phenylbenzoxazole.

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

Last updated:

How to cite: Jingsj. "1-bromo-4-(phenylethynyl)benzene (CAS 13667-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360142-8 (accessed 2026-11-09).

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