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Alfa Aesar™ Ethyl trans-4-oxo-2-butenoate, 96%

Chemical Identifiers

Chemical Name or Material Ethyl trans-4-oxo-2-butenoate
CAS 2960-66-9
Molecular Formula C6H8O3
Formula Weight 128.13g/mol
MDL Number MFCD00236170
UN Number UN2922
Beilstein 8762336
Synonym Ethyl 3-formylacrylate; Ethyl fumaraldehydate
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL1849114

 
alfa aesar™
L18491-14
25g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL1849122

 
alfa aesar™
L18491-22
100g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Boiling Point 184° to 188°C
Melting Point −9°C
Quantity 25g
Flash Point 68°C (154°F)
Chemical Name or Material Ethyl trans-4-oxo-2-butenoate
CAS 2960-66-9
Assay 96%
Molecular Formula C6H8O3
Formula Weight 128.13g/mol
MDL Number MFCD00236170
UN Number UN2922
Beilstein 8762336
Synonym Ethyl 3-formylacrylate; Ethyl fumaraldehydate
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H301-H314-H318-H227-H317
Toxic if swallowed.
Causes severe skin burns and eye damage.
Causes serious eye damage.
Combustible liquid.
May cause an allergic skin reaction.
Health Hazard 3 GHS P Statement
P210-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
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.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
Recommended Storage 2° to 8°C
DOT Information Transport Hazard Class: 8; Packing Group: III; Proper Shipping Name: CORROSIVE LIQUIDS, TOXIC, N.O.S.

Applications
Ethyl trans-4-oxo-2-butenoate is an intermediate used to synthesize pharmaceutically active molecules. It is also used in the asymmetric catalytic alkynylation of acetaldehyde, producing attractive synthons with broad applications, such as (+)-Tetrahydropyrenophorol.

Solubility
Slightly soluble in water(2.6 g/L at 25°C).

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible with oxidizing agents.

Safety and Handling

Danger

GHS P Statement
P210-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
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.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H301-H314-H318-H227-H317
Toxic if swallowed.
Causes severe skin burns and eye damage.
Causes serious eye damage.
Combustible liquid.
May cause an allergic skin reaction.

2° to 8°C