3-Octyne

Also known as: 1-Butyl-2-ethylacetylene, 1-Ethyl-2-butylacetylene, 3-OCTYNE, 3-Octyne, 98+%, 3-octyne, Aethyl-butyl-acetylen, Butylethyl acetylene, Butylethylacetylene, C4H9CequivCC2H5, EINECS 239-280-6, Ethylbutylacetylene, MFCD00027276, N-BUTYLETHYLACETYLENE, oct-3-yne

3-Octyne (CAS 15232-76-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H14 and a molecular weight of 110.197 g/mol. Key properties include a melting point of -104°C, a boiling point of 133.0±3.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 22.0±11.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 15232-76-5
Jingsj CID: J-29374-3
Molecular Formula: C₈H₁₄
Molecular Weight: 110.197 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-104°C
Boiling Point	133.0±3.0 °C at 760 mmHg
Density	0.8±0.1 g/cm3
Flash Point	22.0±11.2 °C
Exact Mass	110.109550
LogP	3.59
Vapor Pressure	10.6±0.1 mmHg at 25°C
Refractive Index	1.429

Customs & Trade Information

HS Code	2901299090
Summary	2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Octyne?

The CAS number of 3-Octyne is 15232-76-5.

What are the molecular formula and molecular weight of 3-Octyne?

3-Octyne has molecular formula C8H14 and molecular weight 110.197 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-Octyne (CAS 15232-76-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29374-3 (accessed 2026-11-09).

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