3-Ethyl-1-heptyn-3-ol

Also known as: 1-Heptyn-3-ol, 3-ethyl-, 3-Ethyl-1-heptyne-3-ol, 3-Ethylhept-1-yn-3-ol, (1-Ethyl-1-hydroxypentyl)acetylene, Ethylheptynol, n-Butyl ethyl ethynyl carbinol, MFCD00041677, LABOTEST-BB LT00847834

3-Ethyl-1-heptyn-3-ol (CAS 5396-61-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H16O and a molecular weight of 140.223 g/mol. Key properties include a boiling point of 169.4±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 57.0±8.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5396-61-2
Jingsj CID: J-44016-4
Molecular Formula: C₉H₁₆O
Molecular Weight: 140.223 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	169.4±8.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	57.0±8.2 °C
Exact Mass	140.120117
PSA	20.23000
LogP	2.44
Vapor Pressure	0.5±0.7 mmHg at 25°C
Refractive Index	1.456

Customs & Trade Information

HS Code	2905290000
Summary	2905290000 unsaturated monohydric alcohols。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 3-Ethyl-1-heptyn-3-ol?

The CAS number of 3-Ethyl-1-heptyn-3-ol is 5396-61-2.

What are the molecular formula and molecular weight of 3-Ethyl-1-heptyn-3-ol?

3-Ethyl-1-heptyn-3-ol has molecular formula C9H16O and molecular weight 140.223 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. "3-Ethyl-1-heptyn-3-ol (CAS 5396-61-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44016-4 (accessed 2026-11-09).

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