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2-BROMO-1-ETHYNYL-4,5-DIMETHOXY-BENZENE

2-溴-1-乙炔-4,5-二甲氧基苯

Also known as: 1-Bromo-2-ethynyl-4,5-dimethoxybenzene, 1-ethynyl-2-bromo-4,5-dimethoxy-benzene, 2-Brom-4,5-dimethoxy-phenylacetylen, 1-Aethinyl-2-brom-4,5-dimethoxy-benzol, Benzene, 1-bromo-2-ethynyl-4,5-dimethoxy-

2-BROMO-1-ETHYNYL-4,5-DIMETHOXY-BENZENE (CAS 90772-55-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H9BrO2 and a molecular weight of 241.08100 g/mol. It is also known as 1-Bromo-2-ethynyl-4,5-dimethoxybenzene, 1-ethynyl-2-bromo-4,5-dimethoxy-benzene and 2-Brom-4,5-dimethoxy-phenylacetylen. Key properties include a boiling point of 285.4ºC at 760 mmHg, a density of 1.45g/cm3 and a flash point of 122.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90772-55-7
Jingsj CID
J-1085280-4
Molecular Formula
C10H9BrO2
Chinese Name
2-溴-1-乙炔-4,5-二甲氧基苯
Molecular Weight
241.08100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point285.4ºC at 760 mmHg
Density1.45g/cm3
Flash Point122.4ºC

Frequently Asked Questions

What is the CAS number of 2-BROMO-1-ETHYNYL-4,5-DIMETHOXY-BENZENE?

The CAS number of 2-BROMO-1-ETHYNYL-4,5-DIMETHOXY-BENZENE is 90772-55-7.

What are the molecular formula and molecular weight of 2-BROMO-1-ETHYNYL-4,5-DIMETHOXY-BENZENE?

2-BROMO-1-ETHYNYL-4,5-DIMETHOXY-BENZENE has molecular formula C10H9BrO2 and molecular weight 241.08100 g/mol.

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

Last updated:

How to cite: Jingsj. "2-BROMO-1-ETHYNYL-4,5-DIMETHOXY-BENZENE (CAS 90772-55-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1085280-4 (accessed 2026-10-24).

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