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1,1-Diethoxy-2-pentyne

1,1-二乙氧基-2-戊炔

Also known as: 2-PENTYNAL DIETHYL ACETAL, 2-PENTYNYL ALDEHYDE DIETHYL ACETAL, 1,1-diethoxy-pent-2-yne, 1,1-diethoxypent-2-yne, 2-Pentyne, 1,1-diethoxy-, TIMTEC-BB SBB009124

1,1-Diethoxy-2-pentyne (CAS 18229-77-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H16O2 and a molecular weight of 156.22200 g/mol. It is also known as 2-PENTYNAL DIETHYL ACETAL, 2-PENTYNYL ALDEHYDE DIETHYL ACETAL and 1,1-diethoxy-pent-2-yne. Key properties include a boiling point of 206.2ºC at 760mmHg, a density of 0.9g/cm3 and a flash point of 64.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18229-77-1
Jingsj CID
J-1071448-5
Molecular Formula
C9H16O2
Chinese Name
1,1-二乙氧基-2-戊炔
Molecular Weight
156.22200 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point206.2ºC at 760mmHg
Density0.9g/cm3
Flash Point64.8ºC

Frequently Asked Questions

What is the CAS number of 1,1-Diethoxy-2-pentyne?

The CAS number of 1,1-Diethoxy-2-pentyne is 18229-77-1.

What are the molecular formula and molecular weight of 1,1-Diethoxy-2-pentyne?

1,1-Diethoxy-2-pentyne has molecular formula C9H16O2 and molecular weight 156.22200 g/mol.

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

Last updated:

How to cite: Jingsj. "1,1-Diethoxy-2-pentyne (CAS 18229-77-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1071448-5 (accessed 2026-10-25).

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