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1-HEXEN-3-YNE

Also known as: 1-Hexen-3-yne, 1-Hexene-3-yne, Ethylvinylacetylene, Hex-1-en-3-in, Vinylethylacetylene, hex-1-en-3-yne, hex-3-yn-1-ene

1-HEXEN-3-YNE (CAS 13721-54-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H8 and a molecular weight of 80.12770 g/mol. Key properties include a boiling point of 85.2ºC at 760 mmHg and a density of 0.756g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13721-54-5
Jingsj CID
J-1496032-8
Molecular Formula
C6H8
Molecular Weight
80.12770 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point85.2ºC at 760 mmHg
Density0.756g/cm3
Exact Mass80.06260
LogP1.58580
Vapor Pressure78.3mmHg at 25°C
Refractive Index1.433

Frequently Asked Questions

What is the CAS number of 1-HEXEN-3-YNE?

The CAS number of 1-HEXEN-3-YNE is 13721-54-5.

What are the molecular formula and molecular weight of 1-HEXEN-3-YNE?

1-HEXEN-3-YNE has molecular formula C6H8 and molecular weight 80.12770 g/mol.

What are the upstream and downstream products of 1-HEXEN-3-YNE?

For 1-HEXEN-3-YNE, Upstream Products: Diethyl sulfate, Ethyl 4-methylbenzenesulfonate, 2-Octyne; Downstream Products: tetraethylstannane, 4-Chlorobenzenesulfonamide, 1-hexene.

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

Last updated:

How to cite: Jingsj. "1-HEXEN-3-YNE (CAS 13721-54-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1496032-8 (accessed 2026-11-09).

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