2-Octynal diethyl acetal

Also known as: 1,1-diethoxyoct-2-yne, 1,1-diethoxy-2-octyne, 2-Octyne, 1,1-diethoxy-, 2-Octynal diethyl acetal 98, MFCD00041654, EINECS 240-438-1, oct-2-ynal-diethylacetal, n-Amyl-propiolaldehyd-diaethylacetal

2-Octynal diethyl acetal (CAS 16387-55-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H22O2 and a molecular weight of 198.30200 g/mol. Key properties include a boiling point of 241.5ºC at 760mmHg, a density of 0.889g/cm3 and a flash point of 98.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16387-55-6
Jingsj CID: J-29227-3
Molecular Formula: C₁₂H₂₂O₂
Molecular Weight: 198.30200 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	241.5ºC at 760mmHg
Density	0.889g/cm3
Flash Point	98.3ºC
Exact Mass	198.16200
PSA	18.46000
LogP	2.96920
Vapor Pressure	0.0557mmHg at 25°C
Refractive Index	n20/D 1.436(lit.)

Customs & Trade Information

HS Code	2911000000
Summary	2911000000 acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

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

The CAS number of 2-Octynal diethyl acetal is 16387-55-6.

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

2-Octynal diethyl acetal has molecular formula C12H22O2 and molecular weight 198.30200 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Octynal diethyl acetal (CAS 16387-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29227-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.