Skip to main content

Methyl acetylpyruvate

Also known as: Methyl 2,4-dioxopentanoate, Methyl acetopyruvate, 2,4-Dioxopentanoic acid methyl ester, Acetopyruvic acid methyl ester, 1-Methoxy-1,2,4-pentanetrione, 2-hydroxy-4-oxo-2-pentenoic acid methyl ester

Methyl acetylpyruvate (CAS 20577-61-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C6H8O4 and a molecular weight of 144.12500 g/mol. Key properties include a melting point of 63-64 °C, a boiling point of 195.1ºC at 760mmHg, a density of 1.15g/cm3 and a flash point of 75.5ºC. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20577-61-1
Jingsj CID
J-40751-2
Molecular Formula
C6H8O4
Molecular Weight
144.12500 g/mol
Category
Solvents
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point63-64 °C
Boiling Point195.1ºC at 760mmHg
Density1.15g/cm3
Flash Point75.5ºC
Exact Mass144.04200
PSA60.44000
Vapor Pressure0.00067mmHg at 25°C
Refractive Index1.467

GHS Safety & Compliance

IrritantSignal word: Warning
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2918300090
Summary2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Methyl acetylpyruvate?

The CAS number of Methyl acetylpyruvate is 20577-61-1.

What are the molecular formula and molecular weight of Methyl acetylpyruvate?

Methyl acetylpyruvate has molecular formula C6H8O4 and molecular weight 144.12500 g/mol.

Is Methyl acetylpyruvate hazardous?

Methyl acetylpyruvate has GHS signal word Warning and hazard statements 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 acetylpyruvate (CAS 20577-61-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40751-2 (accessed 2026-11-09).

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