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A11719 762-21-0 Diethyl acetylenedicarboxylate, 96% Acetylenedicarboxylic acid diethyl ester Butynedioic acid diethyl ester Alfa Aesar

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A11719
Diethyl acetylenedicarboxylate, 96%

CAS: 762-21-0 MDL: MFCD00009186  EINECS: 212-095-8
UN#:UN1760Hazard Class:8Packing Group:III
Alternate Name: Acetylenedicarboxylic acid diethyl ester
Butynedioic acid diethyl ester

 

Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
25g 57.40 Check Availability Add to Favorites Enter qty and click checkbox
100g 199.00 Check Availability Add to Favorites Enter qty and click checkbox
500g 844.00 Check Availability Add to Favorites Enter qty and click checkbox


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).


Other References

Beilstein: 743166
UN#: UN1760
Harmonized Tariff Code: 2917.19

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

Risk & Safety

Risk Phrases: 34
Causes burns.
Safety Phrases: 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Corrosive
TSCA: No