Methyl 3-methylpentanoate
Also known as: Methyl 3-methylvalerate, Methyl beta-methylvalerate, Methyl β-methylvalerate, 3-Methylpentanoic acid methyl ester, 3-Methylvaleric acid methyl ester, 3-Methylvaleric acid, methyl ester, Pentanoic acid, 3-methyl-, methyl ester, Valeric acid, 3-methyl-, methyl ester
Methyl 3-methylpentanoate (CAS 2177-78-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H14O2 and a molecular weight of 130.18500 g/mol. Key properties include a boiling point of 135.1ºC at 760 mmHg, a density of 0.88 g/mL at 20ºC(lit.) and a flash point of 41ºC. 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.
- 2177-78-8
- Jingsj CID
- J-18482-7
- Molecular Formula
- C7H14O2
- Molecular Weight
- 130.18500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 135.1ºC at 760 mmHg |
|---|---|
| Density | 0.88 g/mL at 20ºC(lit.) |
| Flash Point | 41ºC |
| Exact Mass | 130.09900 |
| PSA | 26.30000 |
| LogP | 1.59560 |
| Vapor Pressure | 7.85mmHg at 25°C |
| Refractive Index | n20/D 1.405 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
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 3-methylpentanoate?
The CAS number of Methyl 3-methylpentanoate is 2177-78-8.
What are the molecular formula and molecular weight of Methyl 3-methylpentanoate?
Methyl 3-methylpentanoate has molecular formula C7H14O2 and molecular weight 130.18500 g/mol.
Is Methyl 3-methylpentanoate hazardous?
Methyl 3-methylpentanoate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
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-methylpentanoate (CAS 2177-78-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18482-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.