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Methyl 3-methyl-2-butenoate

Also known as: Methyl 3,3-dimethylacrylate, Methyl 3-methylcrotonate, Methyl senecioate, methyl 3-methylbut-2-enoate, 3,3-Dimethylacrylic acid methyl ester, 3-Methylcrotonic acid methyl ester, 3-Methyl-2-butenoic acid methyl ester, Dimethylacrylic acid methyl ester, 2-Butenoic acid, 3-methyl-, methyl ester, Crotonic acid, 3-methyl-, methyl ester, EINECS 213-107-4, MFCD00043940

Methyl 3-methyl-2-butenoate (CAS 924-50-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10O2 and a molecular weight of 114.142 g/mol. Key properties include a melting point of -41°C, a boiling point of 136.5±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 37.2±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
924-50-5
Jingsj CID
J-15082-3
Molecular Formula
C6H10O2
Molecular Weight
114.142 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-41°C
Boiling Point136.5±0.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point37.2±0.0 °C
Exact Mass114.068077
PSA26.30000
LogP1.87
Vapor Pressure7.4±0.2 mmHg at 25°C
Refractive Index1.420

GHS Safety & Compliance

FlammableSignal word: Warning
  • H226 — Flammable liquid and vapour

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 3-methyl-2-butenoate?

The CAS number of Methyl 3-methyl-2-butenoate is 924-50-5.

What are the molecular formula and molecular weight of Methyl 3-methyl-2-butenoate?

Methyl 3-methyl-2-butenoate has molecular formula C6H10O2 and molecular weight 114.142 g/mol.

Is Methyl 3-methyl-2-butenoate hazardous?

Methyl 3-methyl-2-butenoate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.

What are the upstream and downstream products of Methyl 3-methyl-2-butenoate?

For Methyl 3-methyl-2-butenoate, Upstream Products: Methanol, 3-Methyl-2-butenoic acid, Methyl (trimethylsilyl)acetate; Downstream Products: Isotretinoin, Phorone, 3-Methyl-1,5-pentanediol.

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 3-methyl-2-butenoate (CAS 924-50-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15082-3 (accessed 2026-11-09).

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