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Ethyl 2-methylpentanoate

Also known as: Ethyl 2-Methylvalerate, 2-Methylpentanoic Acid Ethyl Ester, 2-Methylvaleric Acid Ethyl Ester, Manzanate, Ethyl alpha-methylvalerate, Pentanoic acid, 2-methyl-, ethyl ester, RARECHEM AL BI 0135, MFCD00036564

Ethyl 2-methylpentanoate (CAS 39255-32-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H16O2 and a molecular weight of 144.21100 g/mol. Key properties include a boiling point of 153-152 °C(lit.), a density of 0.864 g/mL at 25 °C(lit.) and a flash point of 39.4 °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 Nov 2, 2026.

CAS No.
39255-32-8
Jingsj CID
J-21025-3
Molecular Formula
C8H16O2
Molecular Weight
144.21100 g/mol
Category
Organic Acids
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point153-152 °C(lit.)
Density0.864 g/mL at 25 °C(lit.)
Flash Point39.4 °C
Exact Mass144.11500
PSA26.30000
LogP1.98570
Refractive Indexn20/D 1.403(lit.)

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 Ethyl 2-methylpentanoate?

The CAS number of Ethyl 2-methylpentanoate is 39255-32-8.

What are the molecular formula and molecular weight of Ethyl 2-methylpentanoate?

Ethyl 2-methylpentanoate has molecular formula C8H16O2 and molecular weight 144.21100 g/mol.

Is Ethyl 2-methylpentanoate hazardous?

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

What are the upstream and downstream products of Ethyl 2-methylpentanoate?

For Ethyl 2-methylpentanoate, Upstream Products: Ethanol, 2-Methylpentanoic acid, Pent-1-ene; Downstream Products: 2-Methyl-1-pentanol.

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

Last updated:

How to cite: Jingsj. "Ethyl 2-methylpentanoate (CAS 39255-32-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21025-3 (accessed 2026-11-09).

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