Hex-1-yne

Also known as: 1-HEXYNE, 1-Hexin, 1-Hexine, 1-Hexyne, 5-Hexyne, Butyl acetyne, Butylacetylene, C4H9CequivCH, EINECS 211-736-9, HEXYNE(1-), Hex-1-in, Hexyne, MFCD00009504, N-BUTYLACETYLENE, butylacetylene, hexyne, n-butylacetylene

Hex-1-yne (CAS 693-02-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H10 and a molecular weight of 82.144 g/mol. Key properties include a melting point of -132 °C, a boiling point of 71.4±3.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -21.1±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 693-02-7
Jingsj CID: J-44717-3
Molecular Formula: C₆H₁₀
Molecular Weight: 82.144 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	-132 °C
Boiling Point	71.4±3.0 °C at 760 mmHg
Density	0.7±0.1 g/cm3
Flash Point	-21.1±0.0 °C
Exact Mass	82.078247
LogP	2.59
Vapor Pressure	134.9±0.1 mmHg at 25°C
Refractive Index	1.411

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 Hex-1-yne?

The CAS number of Hex-1-yne is 693-02-7.

What are the molecular formula and molecular weight of Hex-1-yne?

Hex-1-yne has molecular formula C6H10 and molecular weight 82.144 g/mol.

What are the upstream and downstream products of Hex-1-yne?

For Hex-1-yne, Upstream Products: 1,2-Dibromohexane, 1-Bromobutane, Sodium acetylide; Downstream Products: 2-(Hex-1-yn-1-yl)benzaldehyde, 5-decyne-4,7-diol.

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. "Hex-1-yne (CAS 693-02-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44717-3 (accessed 2026-11-06).

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