Skip to main content

Methylene diacetate

Also known as: Methanediyl diacetate, Diacetoxymethane, Methanediol diacetate, NSC 57545, Bisacetic acid methylene ester, Acetic acid, methylene ester

Methylene diacetate (CAS 628-51-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8O4 and a molecular weight of 132.115 g/mol. Key properties include a melting point of -23ºC(lit.), a boiling point of 164.5±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 73.9±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
628-51-3
Jingsj CID
J-887749-4
Molecular Formula
C5H8O4
Molecular Weight
132.115 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point-23ºC(lit.)
Boiling Point164.5±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point73.9±0.0 °C
Exact Mass132.042252
PSA52.60000
LogP-0.31
Vapor Pressure2.0±0.3 mmHg at 25°C
Refractive Index1.402
Storage Conditions2-8°C

Customs & Trade Information

HS Code2916190090
Summary2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。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 Methylene diacetate?

The CAS number of Methylene diacetate is 628-51-3.

What are the molecular formula and molecular weight of Methylene diacetate?

Methylene diacetate has molecular formula C5H8O4 and molecular weight 132.115 g/mol.

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

Last updated:

How to cite: Jingsj. "Methylene diacetate (CAS 628-51-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-887749-4 (accessed 2026-11-09).

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