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CAS RN: 14369-81-4 | Product Number: E0820

Ethyl 2,3-Butadienoate

Purity: >95.0%(GC)
  • 2,3-Butadienoic Acid Ethyl Ester
1   ≥20 
1   19  

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Product Number E0820
Purity / Analysis Method >95.0%(GC)
Molecular Formula / Molecular Weight C__6H__8O__2 = 112.13  
Physical State (20 deg.C) Liquid
Storage Temperature <0°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Light Sensitive,Air Sensitive,Heat Sensitive
CAS RN 14369-81-4
Reaxys Registry Number 1747205
PubChem Substance ID 87561456
MDL Number


Appearance Colorless to Light yellow clear liquid
Purity(GC) min. 95.0 %
Properties (reference)
Boiling Point 80 °C/60 mmHg
Flash point 47 °C
Specific Gravity (20/20) 0.97
Refractive Index 1.46
Maximum Absorption Wavelength 209(MeOH) nm
Pictogram Pictogram
Signal Word Warning
Hazard Statements H226 : Flammable liquid and vapour.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 : Keep container tightly closed.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P403 + P235 : Store in a well-ventilated place. Keep cool.
Related Laws:
Transport Information:
UN Number UN3272
Class 3
Packing Group III
HS Number 2916199590
Aldol condensation of ethyl 2,3-butadinenoate with aldehydes

Typical procedure: To a solution of ethyl 2,3-butadinenoate (123 mg) in dry THF (8 mL) is added 1.59 M butyl lithium in hexane (0.69 mL) at -92°C. After 1 h, a solution of heptanal (114 mg) is added, and the mixture is stirred for 5 h at -92°C. Aqueous THF is added, and the mixture is poured into ice-water and neutralized with 10% HCl. Organic materials are extracted with ethyl acetate, and the combined extracts are washed with water and dried over MgSO4. After evaporation of the solvent, the products are separated by column chromatography (eluent: hexane / ethyl acetate = 10/1-1/1) on silica gel to give 136 mg (60% yield) of the desired product as the first fraction.


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