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1-ETHYL-2-ETHYNYL-BENZENE

1-乙基-2-乙炔苯

Also known as: 1-Ethyl-2-ethynylbenzene, 1-ethyl-2-ethynyl-benzene, 2-Ethylphenylacetylene, 2-ethyl-1-ethynylbenzene, Benzene, 1-ethyl-2-ethynyl-, Benzene, 1-ethyl-2-ethynyl- (9CI), benzene,1-ethyl-2-ethynyl

1-ETHYL-2-ETHYNYL-BENZENE (CAS 75659-49-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H10 and a molecular weight of 130.18600 g/mol. It is also known as 1-Ethyl-2-ethynylbenzene, 1-ethyl-2-ethynyl-benzene and 2-Ethylphenylacetylene. Key properties include a boiling point of 195.2ºC at 760 mmHg, a density of 0.92g/cm3 and a flash point of 60ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
75659-49-3
Jingsj CID
J-934331-3
Molecular Formula
C10H10
Chinese Name
1-乙基-2-乙炔苯
Molecular Weight
130.18600 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point195.2ºC at 760 mmHg
Density0.92g/cm3
Flash Point60ºC

Frequently Asked Questions

What is the CAS number of 1-ETHYL-2-ETHYNYL-BENZENE?

The CAS number of 1-ETHYL-2-ETHYNYL-BENZENE is 75659-49-3.

What are the molecular formula and molecular weight of 1-ETHYL-2-ETHYNYL-BENZENE?

1-ETHYL-2-ETHYNYL-BENZENE has molecular formula C10H10 and molecular weight 130.18600 g/mol.

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

Last updated:

How to cite: Jingsj. "1-ETHYL-2-ETHYNYL-BENZENE (CAS 75659-49-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-934331-3 (accessed 2026-10-22).

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