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1-Bromo-2-(phenylethynyl)benzene

Also known as: 1-BROMO-2-PHENYLETHYNYL-BENZENE, 2-Bromotolan, 2-bromodiphenylacetylene, 2-bromotolane, 1-(2-Bromophenyl)-2-phenylacetylene, 1-(2-Bromophenyl)-2-phenylethyne, 1-(Phenylethynyl)-2-bromobenzene, 1-Phenyl-2-(2-bromophenyl)ethyne, 1-bromo-2-(2-phenylethynyl)benzene, 2-(Phenylethynyl)phenyl bromide, Benzene, 1-bromo-2-(2-phenylethynyl)-

1-Bromo-2-(phenylethynyl)benzene (CAS 21375-88-2) 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 257.12500 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21375-88-2
Jingsj CID
J-973214-3
Molecular Formula
C14H9Br
Molecular Weight
257.12500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass255.98900
LogP3.84890

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-2-(phenylethynyl)benzene?

The CAS number of 1-Bromo-2-(phenylethynyl)benzene is 21375-88-2.

What are the molecular formula and molecular weight of 1-Bromo-2-(phenylethynyl)benzene?

1-Bromo-2-(phenylethynyl)benzene has molecular formula C14H9Br and molecular weight 257.12500 g/mol.

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-2-(phenylethynyl)benzene (CAS 21375-88-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-973214-3 (accessed 2026-11-09).

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