[A11719] CAS 762-21-0 | Diethyl acetylenedicarboxylate, 96%

CAS : 762-21-0
UN# : UN3265
MDL : MFCD00009186
Hazard Class : 8
EINECS : 212-095-8
Packing Group : II

Other name :

Acetylenedicarboxylic acid diethyl esterButynedioic acid diethyl ester

Chemical Properties

Formula : CH3CH2O2CC≡CCO2CH2CH3
Formula weight : 170.16
Melting Point : 1-2°
Boiling Point : 108-110°/11mm
Flash point : 94°(201°F)
Density : 1.067
Refractive Index : 1.4430
Sensitivity : Light Sensitive. Ambient temperatures.
Form : Liquid
Solubility : Soluble in ethanol, ethyl ether, CCl4, Insoluble in water.

Literature References

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

Notes

Store at 4°C. Protect from heat. Store away from oxidizing agents. Incompatible with strong acids and strong bases.Other References:Beilstein: 743166UN#: UN3265

Grade Specifications

Grade Specifications

Hazard Statements : H314-H318Causes severe skin burns and eye damage.Causes serious eye damage.
Precautionary Statements : P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501aDo 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.