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Dimethyl acetylenedicarboxylate CAS 762-42-5

The multifunctional dienophile production method for Diels Alder reaction involves reacting potassium butynedicarboxylate with methanol in the presence of concentrated sulfuric acid at room temperature for 4 days to produce dimethyl butynedicarboxylate with a yield of 72-88%.
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  • 762-42-5

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  • 762-42-5

Dimethyl acetylenedicarboxylate Basic information
Product Name: Dimethyl acetylenedicarboxylate
CAS: 762-42-5
MF: C6H6O4
MW: 142.11
EINECS: 212-098-4
Mol File: 762-42-5.mol
Dimethyl acetylenedicarboxylate Chemical Properties
Melting point  -18 °C
Boiling point  95-98 °C/19 mmHg (lit.)
density  1.156 g/mL at 25 °C (lit.)
refractive index  n20/D 1.447(lit.)
Fp  187 °F
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
form  Liquid
color  Colorless to pale yellow
Water Solubility  Soluble in most organic solvents. Insoluble in water.
Sensitive  Light Sensitive
BRN  607063
InChIKey VHILMKFSCRWWIJ-UHFFFAOYSA-N
CAS DataBase Reference 762-42-5(CAS DataBase Reference)
NIST Chemistry Reference 2-Butynedioic acid, dimethyl ester(762-42-5)
EPA Substance Registry System 2-Butynedioic acid, dimethyl ester (762-42-5)

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