A11719

Diethyl acetylenedicarboxylate, 96%

CAS Number 762-21-0 Synonyms
  • Acetylenedicarboxylic acid diethyl ester
  • Butynedioic acid diethyl ester

 
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Diethyl acetylenedicarboxylate, 96%

MDL: MFCD00009186
EINECS: 212-095-8

Chemical Properties

Formula: CH3CH2O2CC≡CCO2CH2CH3  Flash point: 94°(201°F)
Formula weight: 170.16  Density: 1.067
Melting point: 1-2° Refractive Index: 1.4430
Boiling point: 108-110°/11mm 

Literature References

For reactions of acetylenedicarboxylic esters, see Dimethyl­ acetyl­enedicarboxyl­ate, A11437.

Reaction with enamines leads to 2(1H)-pyridones: Synthesis, 371 (1992).

GHS Hazard and Precautionary Statements

Hazard Statements : H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements : P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A

Do not breathe dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Corrosive

Other References

Beilstein: 743166
UN#: UN1760
Hazard Class: 8
Packing Group: III
Harmonized Tariff Code: 2917.19
TSCA: No

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