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Methyl 2-methylbutyrate

Also known as: Methyl 2-methylbutanoate, Methyl α-methylbutanoate, Methyl α-methylbutyrate, Methyl DL-2-methylbutyrate, Butanoic acid, 2-methyl-, methyl ester, Methyl methylethylacetate, FEMA 2719

Methyl 2-methylbutyrate (CAS 868-57-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H12O2 and a molecular weight of 116.158 g/mol. Key properties include a boiling point of 112.6±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 32.2±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.
868-57-5
Jingsj CID
J-21022-0
Molecular Formula
C6H12O2
Molecular Weight
116.158 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point112.6±8.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point32.2±0.0 °C
Exact Mass116.083733
PSA26.30000
LogP1.59
Vapor Pressure21.6±0.2 mmHg at 25°C
Refractive Index1.396

GHS Safety & Compliance

FlammableSignal word: Warning
  • H226 — Flammable liquid and vapour

Customs & Trade Information

HS Code2915900090
Summary2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Methyl 2-methylbutyrate?

The CAS number of Methyl 2-methylbutyrate is 868-57-5.

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

Methyl 2-methylbutyrate has molecular formula C6H12O2 and molecular weight 116.158 g/mol.

Is Methyl 2-methylbutyrate hazardous?

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

What are the upstream and downstream products of Methyl 2-methylbutyrate?

For Methyl 2-methylbutyrate, Upstream Products: Methanol, 2-Methylbutanoic acid, Iodobenzene; Downstream Products: 5-Methyl-2-hepten-4-one, 2-Methylbutanoic acid, Methyl 4-chloro-2-methylbutanoate.

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 2-methylbutyrate (CAS 868-57-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21022-0 (accessed 2026-11-09).

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