2-Ethynyl-1,3-dimethoxybenzene

2-乙炔基-1,3-二甲氧基苯

Also known as: 1-ethynyl-2,6-dimethoxybenzene, 2,6-dimethoxyphenylacetylene, 2,6-dimethoxy-1-ethynylbenzene, 2,6-dimethoxyphenylethyne, 1,3-dimethoxy-2-ethynylbenzene, Benzene, 2-ethynyl-1,3-dimethoxy-

2-Ethynyl-1,3-dimethoxybenzene (CAS 126829-31-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H10O2 and a molecular weight of 162.185 g/mol. It is also known as 1-ethynyl-2,6-dimethoxybenzene, 2,6-dimethoxyphenylacetylene and 2,6-dimethoxy-1-ethynylbenzene. Key properties include a boiling point of 265.1±30.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 108.0±24.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
126829-31-0
Jingsj CID
J-1356260-3
Molecular Formula
C10H10O2
Chinese Name
2-乙炔基-1,3-二甲氧基苯
Molecular Weight
162.185 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point265.1±30.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point108.0±24.1 °C

Frequently Asked Questions

What is the CAS number of 2-Ethynyl-1,3-dimethoxybenzene?

The CAS number of 2-Ethynyl-1,3-dimethoxybenzene is 126829-31-0.

What are the molecular formula and molecular weight of 2-Ethynyl-1,3-dimethoxybenzene?

2-Ethynyl-1,3-dimethoxybenzene has molecular formula C10H10O2 and molecular weight 162.185 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Ethynyl-1,3-dimethoxybenzene (CAS 126829-31-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356260-3 (accessed 2026-10-22).

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