Methyl isobutyrate
Also known as: Methyl 2-methylpropionate, 2-Methylpropanoic acid methyl ester, Isobutyric acid methyl ester, Methyl 2-methylpropanoate, Propanoic acid, 2-methyl-, methyl ester
Methyl isobutyrate (CAS 547-63-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.132 g/mol. Key properties include a melting point of -85--84 °C, a boiling point of 93.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 3.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 547-63-7
- Jingsj CID
- J-12401-6
- Molecular Formula
- C5H10O2
- Molecular Weight
- 102.132 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -85--84 °C |
|---|---|
| Boiling Point | 93.0±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 3.3±0.0 °C |
| Exact Mass | 102.068077 |
| PSA | 26.30000 |
| LogP | 1.06 |
| Vapor Pressure | 50.4±0.1 mmHg at 25°C |
| Refractive Index | 1.385 |
| Additional Property | slightly soluble |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 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 isobutyrate?
The CAS number of Methyl isobutyrate is 547-63-7.
What are the molecular formula and molecular weight of Methyl isobutyrate?
Methyl isobutyrate has molecular formula C5H10O2 and molecular weight 102.132 g/mol.
Is Methyl isobutyrate hazardous?
Methyl isobutyrate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H332 — Harmful if inhaled.
What are the upstream and downstream products of Methyl isobutyrate?
For Methyl isobutyrate, Upstream Products: Methanol, 2,2-Dibromopropane, Methyl methacrylate; Downstream Products: Dimethyl 2,2-dimethylmalonate, 2-Isobutyrylcyclohexanone, Isobutyric acid hydrazide.
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 isobutyrate (CAS 547-63-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12401-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.