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ChemicalBook >> CAS DataBase List >> Ethyl trans-4-oxo-2-butenoate

Ethyl trans-4-oxo-2-butenoate

$8 - $753.65
Product name: Ethyl trans-4-oxo-2-butenoate
CAS: 2960-66-9
MF: C6H8O3
MW: 128.13
EINECS:1592732-453-0
MDL Number:MFCD00236170
Synonyms:ethyl 3-formylacrylate;ethyl fumaraldehydate;Ethyl 4-oxobut-2-enoate;(E)-Ethyl 4-oxobut-2-enoate;Ethyl 3-formylacrylate~Ethyl fumaraldehydate~trans-4-Oxo-2-butenoic acid ethyl ester;Ethyl trans-4-oxy-2-butenoate;Trans-4-oxy-2-butenoic acid ethyl ester;trans-4-oxo-2-butenoate, 96%

Price37 Properties Safety Information Description

37 prices

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aablocks
ACHEMBLOCK
AK Scientific
Ambeed
American Custom Chemicals Corporation
Arctom
Frontier Specialty Chemicals
Matrix Scientific
Oakwood
Synthonix
TCI Chemical
Thermo Scientific Chemicals
TRC
Usbiological

Package

5MG
1g
5g
10g
10.00g
25g
25.00g
100G
100.00g

Manufactureraablocks
Product numberAA002YSI
Product description(E)-Ethyl 4-oxobut-2-enoate 96%
Packaging1g
Price$8
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA002YSI
Product description(E)-Ethyl 4-oxobut-2-enoate 96%
Packaging5g
Price$20
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA002YSI
Product description(E)-Ethyl 4-oxobut-2-enoate >95%
Packaging10g
Price$37
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA002YSI
Product description(E)-Ethyl 4-oxobut-2-enoate 96%
Packaging25g
Price$64
Updated2026-05-28
Buy

ManufacturerACHEMBLOCK
Product numberV146292
Product descriptionEthyl trans-4-Oxo-2-butenoate 95%
Packaging100G
Price$365
Updated2026-05-27
Buy

ManufacturerAK Scientific
Product numberZ4570
Product descriptionEthyltrans-4-oxo-2-butenoate
Packaging5g
Price$114
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA134324
Product description(E)-Ethyl4-oxobut-2-enoate 96%
Packaging25g
Price$78
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA134324
Product description(E)-Ethyl4-oxobut-2-enoate 96%
Packaging10g
Price$35
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA134324
Product description(E)-Ethyl4-oxobut-2-enoate 96%
Packaging1g
Price$8
Updated2021-12-16
Buy

ManufacturerAmbeed
Product numberA134324
Product description(E)-Ethyl4-oxobut-2-enoate 96%
Packaging5g
Price$25
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0165735
Product descriptionETHYL TRANS-4-OXO-2-BUTENOATE 95.00%
Packaging5MG
Price$505.16
Updated2021-12-16
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ManufacturerArctom
Product numberCS-W020184
Product descriptionEthyl trans-4-oxo-2-butenoate >=98%
Packaging10g
Price$36
Updated2026-05-26
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ManufacturerArctom
Product numberCS-W020184
Product descriptionEthyl trans-4-oxo-2-butenoate >=98%
Packaging5g
Price$18
Updated2026-05-26
Buy

ManufacturerArctom
Product numberCS-W020184
Product descriptionEthyl trans-4-oxo-2-butenoate >=98%
Packaging100g
Price$228
Updated2026-05-26
Buy

ManufacturerArctom
Product numberCS-W020184
Product descriptionEthyl trans-4-oxo-2-butenoate >=98%
Packaging25g
Price$60
Updated2026-05-26
Buy

ManufacturerFrontier Specialty Chemicals
Product numberJK154680
Product descriptionEthyltrans-4-oxo-2-butenoate 96%
Packaging25g
Price$182
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA002YSI	(E)-Ethyl 4-oxobut-2-enoate 96%	1g	$8	2026-05-28	Buy
aablocks	AA002YSI	(E)-Ethyl 4-oxobut-2-enoate 96%	5g	$20	2026-05-28	Buy
aablocks	AA002YSI	(E)-Ethyl 4-oxobut-2-enoate >95%	10g	$37	2026-05-28	Buy
aablocks	AA002YSI	(E)-Ethyl 4-oxobut-2-enoate 96%	25g	$64	2026-05-28	Buy
ACHEMBLOCK	V146292	Ethyl trans-4-Oxo-2-butenoate 95%	100G	$365	2026-05-27	Buy
AK Scientific	Z4570	Ethyltrans-4-oxo-2-butenoate	5g	$114	2021-12-16	Buy
Ambeed	A134324	(E)-Ethyl4-oxobut-2-enoate 96%	25g	$78	2021-12-16	Buy
Ambeed	A134324	(E)-Ethyl4-oxobut-2-enoate 96%	10g	$35	2021-12-16	Buy
Ambeed	A134324	(E)-Ethyl4-oxobut-2-enoate 96%	1g	$8	2021-12-16	Buy
Ambeed	A134324	(E)-Ethyl4-oxobut-2-enoate 96%	5g	$25	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0165735	ETHYL TRANS-4-OXO-2-BUTENOATE 95.00%	5MG	$505.16	2021-12-16	Buy
Arctom	CS-W020184	Ethyl trans-4-oxo-2-butenoate >=98%	10g	$36	2026-05-26	Buy
Arctom	CS-W020184	Ethyl trans-4-oxo-2-butenoate >=98%	5g	$18	2026-05-26	Buy
Arctom	CS-W020184	Ethyl trans-4-oxo-2-butenoate >=98%	100g	$228	2026-05-26	Buy
Arctom	CS-W020184	Ethyl trans-4-oxo-2-butenoate >=98%	25g	$60	2026-05-26	Buy
Frontier Specialty Chemicals	JK154680	Ethyltrans-4-oxo-2-butenoate 96%	25g	$182	2021-12-16	Buy

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Properties

Melting point :-9°C
Boiling point :184-188°C
Density :1,063 g/cm³
refractive index :1.4550
Flash point :68°C
storage temp. :Inert atmosphere,Store in freezer, under -20°C
Appearance :Colorless to light yellow Liquid
Water Solubility :Slightly soluble in water(2.6 g/L at 25°C).
BRN :8762336

Safety Information

Symbol(GHS):

Signal word:

Danger

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H227	Combustible liquid	Flammable liquids	Category 4	Warning	P210, P280, P370+P378, P403+P235,P501
H301	Toxic if swalloed	Acute toxicity,oral	Category 3	Danger	P264, P270, P301+P310, P321, P330,P405, P501
H314	Causes severe skin burns and eye damage	Skin corrosion/irritation	Category 1A, B, C	Danger	P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H317	May cause an allergic skin reaction	Sensitisation, Skin	Category 1	Warning	P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H318	Causes serious eye damage	Serious eye damage/eye irritation	Category 1	Danger	P280, P305+P351+P338, P310

Precautionary statements:

P303+P361+P353	IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405	Store locked up.

Description

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.

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Suppliers and manufacturers

Beijing Hope Pharmaceutical Co., Ltd. J & K SCIENTIFIC LTD. Alfa Aesar Energy Chemical Beijing Ouhe Technology Co., Ltd Jia Xing Isenchem Co.,Ltd Accela ChemBio Co.,Ltd. Shanghai Hanhong Scientific Co.,Ltd. Syntechem Co.,Ltd Aemon Chemical

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Ethyl trans-4-oxo-2-butenoate

Properties

Safety Information

Description

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