Methyl 2-hexynoate

Also known as: 2-hexynoic acid methyl ester, methyl hex-2-ynoate, hex-2-ynoic acid methyl ester, methyl hexynoate, MFCD00041642, EINECS 242-690-8

Methyl 2-hexynoate (CAS 18937-79-6) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C7H10O2 and a molecular weight of 126.15300 g/mol. Key properties include a boiling point of 64ºC (10 torr), a density of 0.963g/cm3 and a flash point of 65.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18937-79-6
Jingsj CID: J-1306646-6
Molecular Formula: C₇H₁₀O₂
Molecular Weight: 126.15300 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	64ºC (10 torr)
Density	0.963g/cm3
Flash Point	65.4ºC
Exact Mass	126.06800
PSA	26.30000
LogP	0.96290
Vapor Pressure	0.734mmHg at 25°C
Refractive Index	n20/D 1.441(lit.)

Customs & Trade Information

HS Code	2916190090
Summary	2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of Methyl 2-hexynoate?

The CAS number of Methyl 2-hexynoate is 18937-79-6.

What are the molecular formula and molecular weight of Methyl 2-hexynoate?

Methyl 2-hexynoate has molecular formula C7H10O2 and molecular weight 126.15300 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. "Methyl 2-hexynoate (CAS 18937-79-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306646-6 (accessed 2026-11-06).

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