Diethyl acetylenedicarboxylate

• Catalog No.: A11719
• CAS Number: 762-21-0
• M. F.: C8H10O4
• M. W.: 170.1626
• Purity: 96%

SYNONYMS

• Title: 乙炔二羧酸二乙酯
• IUPAC name: 1,4-diethyl but-2-ynedioate
• IUPAC Traditional name: 1,4-diethyl but-2-ynedioate
• Synonyms: Acetylenedicarboxylic acid diethyl ester; Butynedioic acid diethyl ester

DATABASE IDS

• EC Number: 212-095-8
• CAS Number: 762-21-0
• Beilstein Number: 743166
• MDL Number: MFCD00009186

PROPERTIES

• Purity: 96%
• Boiling Point: 108-110°C/11mm
• Density: 1.067
• Flash Point: 94°C(201°F)
• Melting Point: 1-2°C
• Refractive Index: 1.4430
• GHS Hazard statements: H314-H318
• European Hazard Symbols: Corrosive (C)
• GHS Precautionary statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
• Risk Statements: 34
• Safety Statements: 26-36/37/39-45
• TSCA Listed: 否
• Hazard Class: 8
• UN Number: UN1760
• Packing Group: III

REFERENCES

• For reactions of acetylenedicarboxylic esters, see Dimethyl acetylenedicarboxylate, A11437.
• Reaction with enamines leads to 2(1H)-pyridones: Synthesis, 371 (1992).