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Methyl buta-2,3-dienoate

Also known as: Methyl 2,3-butadienoate, 2,3-Butadienoic acid, methyl ester, Buta-2,3-dienoic acid, methyl ester, Methyl allenecarboxylate, SKL226, butadienoic acid methyl ester, methyl buta-2,3-dienoate

Methyl buta-2,3-dienoate (CAS 18913-35-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H6O2 and a molecular weight of 98.09990 g/mol. Key properties include a melting point of 115 °C, a boiling point of 111.3ºC at 760mmHg, a density of 0.905g/cm3 and a flash point of 34.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18913-35-4
Jingsj CID
J-1054516-1
Molecular Formula
C5H6O2
Molecular Weight
98.09990 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point115 °C
Boiling Point111.3ºC at 760mmHg
Density0.905g/cm3
Flash Point34.6ºC
Exact Mass98.03680
PSA26.30000
LogP0.50050
Vapor Pressure22.8mmHg at 25°C
Refractive Index1.407

Customs & Trade Information

HS Code2916190090
Summary2916190090 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 buta-2,3-dienoate?

The CAS number of Methyl buta-2,3-dienoate is 18913-35-4.

What are the molecular formula and molecular weight of Methyl buta-2,3-dienoate?

Methyl buta-2,3-dienoate has molecular formula C5H6O2 and molecular weight 98.09990 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl buta-2,3-dienoate (CAS 18913-35-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1054516-1 (accessed 2026-11-09).

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