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methyl 4-pentenoate

Also known as: Methyl pent-4-enoate, 4-Pentenoic acid methyl ester, Allylacetic acid methyl ester, Methyl allylacetate, UNII-G48IPZ8O71, SKL511, methyl 4-cis-pentenoate, pent-4-enoic acid methyl ester

methyl 4-pentenoate (CAS 818-57-5) 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 114.14200 g/mol. Key properties include a boiling point of 96.2ºC at 760 mmHg, a density of 0.904g/cm3 and a flash point of 29ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
818-57-5
Jingsj CID
J-1021268-7
Molecular Formula
C6H10O2
Molecular Weight
114.14200 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point96.2ºC at 760 mmHg
Density0.904g/cm3
Flash Point29ºC
Exact Mass114.06800
PSA26.30000
LogP1.12560
Refractive Indexn20/D 1.415

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H319 — Causes serious eye irritation

Frequently Asked Questions

What is the CAS number of methyl 4-pentenoate?

The CAS number of methyl 4-pentenoate is 818-57-5.

What are the molecular formula and molecular weight of methyl 4-pentenoate?

methyl 4-pentenoate has molecular formula C6H10O2 and molecular weight 114.14200 g/mol.

Is methyl 4-pentenoate hazardous?

methyl 4-pentenoate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H319 — Causes serious eye irritation.

What are the upstream and downstream products of methyl 4-pentenoate?

For methyl 4-pentenoate, Upstream Products: 4-Pentenoic acid, iodomethane, Methanol; Downstream Products: 5-(3,4-Dihydroxybenzyl)dihydro-2(3H)-furanone, 4-Pentenoic acid, Tryptophol.

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 4-pentenoate (CAS 818-57-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1021268-7 (accessed 2026-11-09).

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