Dimethyl acetylenedicarboxylate

CAS Registry Number®

762-42-5

CAS Name

Dimethyl acetylenedicarboxylate

Molecular Formula

C6H6O4

Molecular Mass

142.11

Cite this Page

Dimethyl acetylenedicarboxylate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=762-42-5 (retrieved 2025-03-31) (CAS RN: 762-42-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    71 °C @ Press: 5 Torr

  • Melting Point (2)

    150.1-151.9 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C6H6O4/c1-9-5(7)3-4-6(8)10-2/h1-2H3

InChIKey

InChIKey=VHILMKFSCRWWIJ-UHFFFAOYSA-N

SMILES

C(C#CC(OC)=O)(OC)=O

Canonical SMILES

O=C(C#CC(=O)OC)OC

Other Names for this Substance

  • 2-Butynedioic acid, 1,4-dimethyl ester
  • Acetylenedicarboxylic acid, dimethyl ester
  • 2-Butynedioic acid, dimethyl ester
  • Dimethyl acetylenedicarboxylate
  • Dimethyl butynedioate

View All

Deleted or Replaced CAS Registry Numbers

2228859-04-7, 2387559-42-2

CAS INSIGHTSTM
A hexagon honeycomb pattern featuring icons representing Data Fabric Analytics, Antennas, Construction, DNA, and Sustainability Bamboo. Each hexagon contains a distinct symbol related to its theme, arranged in a visually appealing and interconnected design.