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Methyl 2,4-pentadienoate

Also known as: 1,3-Butadiene-1-carboxylic acid methyl ester, Methyl 1,3-butadiene-1-carboxylate, 2,4-Pentadienoic acid methyl ester, Penta-2,4-dienoic acid methyl ester, Methyl penta-2,4-dienoate, 1-Methoxycarbonyl-1,3-butadiene, 1-Methoxycarbonylbuta-1,3-diene, Vinylacrylic acid methyl ester

Methyl 2,4-pentadienoate (CAS 1515-75-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O2 and a molecular weight of 112.12700 g/mol. Key properties include a boiling point of 135.2ºC at 760mmHg, a density of 0.936g/cm3 and a flash point of 46.4ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1515-75-9
Jingsj CID
J-1502893-0
Molecular Formula
C6H8O2
Molecular Weight
112.12700 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point135.2ºC at 760mmHg
Density0.936g/cm3
Flash Point46.4ºC
Exact Mass112.05200
PSA26.30000
LogP0.90160
Vapor Pressure7.8mmHg at 25°C
Refractive Indexn20/D 1.484
Storage Conditions−20°C

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H412 — Harmful to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Methyl 2,4-pentadienoate?

The CAS number of Methyl 2,4-pentadienoate is 1515-75-9.

What are the molecular formula and molecular weight of Methyl 2,4-pentadienoate?

Methyl 2,4-pentadienoate has molecular formula C6H8O2 and molecular weight 112.12700 g/mol.

Is Methyl 2,4-pentadienoate hazardous?

Methyl 2,4-pentadienoate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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 2,4-pentadienoate (CAS 1515-75-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1502893-0 (accessed 2026-11-09).

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