2-Hexynal diethyl acetal

2-己炔二乙基乙缩醛

Also known as: 1,1-diethoxy-2-hexyne, 1,1-diethoxyhex-2-yne, 1-ethoxyhex-2-ynoxyethane, 2-Hexynyl aldehyde diethyl acetal, 2-Hexyne, 1,1-diethoxy-, hex-2-ynal diethyl acetal

2-Hexynal diethyl acetal (CAS 18229-78-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H18O2 and a molecular weight of 170.24900 g/mol. It is also known as 1,1-diethoxy-2-hexyne, 1,1-diethoxyhex-2-yne and 1-ethoxyhex-2-ynoxyethane. Key properties include a boiling point of 226.6ºC at 760mmHg, a density of 0.885 and a flash point of 73ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18229-78-2
Jingsj CID: J-27603-8
Molecular Formula: C₁₀H₁₈O₂
Chinese Name: 2-己炔二乙基乙缩醛
Molecular Weight: 170.24900 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	226.6ºC at 760mmHg
Density	0.885
Flash Point	73ºC

Frequently Asked Questions

What is the CAS number of 2-Hexynal diethyl acetal?

The CAS number of 2-Hexynal diethyl acetal is 18229-78-2.

What are the molecular formula and molecular weight of 2-Hexynal diethyl acetal?

2-Hexynal diethyl acetal has molecular formula C10H18O2 and molecular weight 170.24900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Hexynal diethyl acetal (CAS 18229-78-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27603-8 (accessed 2026-10-23).

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