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ETHYL TRANS-4-OXO-2-BUTENOATE

ETHYL TRANS-4-OXO-2-BUTENOATE structure

CAS No.: 2960-66-9

Chemical Name:: ETHYL TRANS-4-OXO-2-BUTENOATE

Synonyms: ethyl fumaraldehydate;ethyl 3-formylacrylate;Ethyl 4-oxobut-2-enoate;Minodronic Acid Impurity 24;(E)-Ethyl 4-oxobut-2-enoate;ethyl (E)-4-oxobut-2-enoate;trans-4-oxo-2-butenoate, 96%;Ethyl (2E)-4-oxo-2-butenoate;ETHYL TRANS-4-OXO-2-BUTENOATE;Ethyl trans-4-oxy-2-butenoate

CBNumber:: CB7142741

Molecular Formula:: C6H8O3

Molecular Weight:: 128.13

MDL Number:: MFCD00236170

MOL File:: 2960-66-9.mol

MSDS File:: SDS

Last updated:2025-11-13 15:46:25

Product description	Number	Pack Size	Price
Ethyl (E)-4-Oxobut-2-enoate min. 98.0 %	E1576	1G	$29
Ethyl (E)-4-Oxobut-2-enoate min. 98.0 %	E1576	5G	$99
Ethyltrans-4-Oxobutenoate	E925375	10g	$580
Ethyltrans-4-oxo-2-butenoate 96%	JK154680	100g	$651
Ethyl 4-oxobut-2-enoate	235591	100g	$490
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ETHYL TRANS-4-OXO-2-BUTENOATE 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

Risk and Safety Statements

Symbol(GHS)

GHS05,GHS06

Signal word

Danger

Hazard statements

H227-H301-H314-H317-H318

Precautionary statements

P210e-P301+P310a-P303+P361+P353-P305+P351+P338-P405-P501a

Risk Statements

25-34-43

Safety Statements

23-36/37/39-45-24/25

RIDADR

2927

HazardClass

PackingGroup

III

HS Code

29183000

Limited Quantities

5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

NFPA 704

	2
3		0

ETHYL TRANS-4-OXO-2-BUTENOATE price More Price(20)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	E1576	Ethyl (E)-4-Oxobut-2-enoate min. 98.0 %	2960-66-9	1G	$29	2026-03-19	Buy
TCI Chemical	E1576	Ethyl (E)-4-Oxobut-2-enoate min. 98.0 %	2960-66-9	5G	$99	2026-03-19	Buy
TRC	E925375	Ethyltrans-4-Oxobutenoate	2960-66-9	10g	$580	2021-12-16	Buy
Frontier Specialty Chemicals	JK154680	Ethyltrans-4-oxo-2-butenoate 96%	2960-66-9	100g	$651	2021-12-16	Buy
Oakwood	235591	Ethyl 4-oxobut-2-enoate	2960-66-9	100g	$490	2021-12-16	Buy

Product number	Packaging	Price	Buy
E1576	1G	$29	Buy
E1576	5G	$99	Buy
E925375	10g	$580	Buy
JK154680	100g	$651	Buy
235591	100g	$490	Buy

ETHYL TRANS-4-OXO-2-BUTENOATE Chemical Properties,Uses,Production

Chemical Properties

Clear yellow-green liquid

Uses

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.

Synthesis Reference(s)

The Journal of Organic Chemistry, 49, p. 3421, 1984 DOI: 10.1021/jo00192a047
Synthetic Communications, 18, p. 1913, 1988 DOI: 10.1080/00397918808068257
Tetrahedron Letters, 31, p. 2145, 1990 DOI: 10.1016/0040-4039(90)80094-3

ETHYL TRANS-4-OXO-2-BUTENOATE synthesis

Synthesis of ETHYL TRANS-4-OXO-2-BUTENOATE from ETHYL SORBATE

ETHYL TRANS-4-OXO-2-BUTENOATE Preparation Products And Raw materials

Raw materials

Preparation Products

Ethyl 2-(6-cyanoimidazo[1,2-a]pyridin-3-yl)acetate

ETHYL TRANS-4-OXO-2-BUTENOATE Suppliers

Global( 154)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	+8615350571055	Sibel@chuanghaibio.com	China	8738	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21592	55
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29822	58
Accela ChemBio Inc.	+1-858-6993322	info@accelachem.com	United States	21193	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
Antai Fine Chemical Technology Co.,Limited	18503026267	info@antaichem.com	CHINA	9636	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	eric@witopchemical.com	China	23541	58
AFINE CHEMICALS LIMITED	+86-0571-85134551	sales@afinechem.com	China	15079	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
ATK CHEMICAL COMPANY LIMITED	60
career henan chemical co	58
Accela ChemBio Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
Antai Fine Chemical Technology Co.,Limited	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
AFINE CHEMICALS LIMITED	58

View Lastest Price from ETHYL TRANS-4-OXO-2-BUTENOATE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-03-20	ETHYL TRANS-4-OXO-2-BUTENOATE 2960-66-9	US $10.00 / KG	1KG	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd
2025-12-01	POTASSIUM LAURATE 2960-66-9	US $0.00-0.00 / KG	1KG	98	10000KGS	Shaanxi Dideu New Materials Co. Ltd
2024-04-22	ETHYL TRANS-4-OXO-2-BUTENOATE 2960-66-9	US $50.00 / kg	1kg	99.10%	50000kg	Ouhuang Engineering Materials (Hubei) Co., Ltd

ETHYL TRANS-4-OXO-2-BUTENOATE
2960-66-9
US $10.00 / KG
99%
Hebei Chuanghai Biotechnology Co., Ltd

POTASSIUM LAURATE
2960-66-9
US $0.00-0.00 / KG
98
Shaanxi Dideu New Materials Co. Ltd

ETHYL TRANS-4-OXO-2-BUTENOATE
2960-66-9
US $50.00 / kg
99.10%
Ouhuang Engineering Materials (Hubei) Co., Ltd

ETHYL TRANS-4-OXO-2-BUTENOATE Spectrum

ETHYL TRANS-4-OXO-2-BUTENOATE(2960-66-9)¹HNMR

2960-66-9(ETHYL TRANS-4-OXO-2-BUTENOATE)Related Search:

fumaraldehydic acid IMIDAZO[1,2-A]PYRIDIN-3-YL-ACETIC ACID IMidazo[1,2-a]pyridine-3-aceticacid,ethylester 2-(1,7-diazabicyclo[4.3.0]nona-2,4,6,8-tetraen-8-yl)acetic acid trans-4-Hydroxy-D-proline

trans-4-Phenyl-L-proline TRANS-4-AMINO-CYCLOHEXANE CARBOXYLIC ACID HYDROCHLORIDE TRANS-4-HYDROXY-D-PROLINE HYDROCHLORIDE TRANS-1,4-CYCLOHEXANEDIMETHANOL trans-2-Aminocyclopentanol hydrochloride

2,4,6-Octatrienedioic acid, 1,8-diethyl ester TETRAETHYL ETHYLENETETRACARBOXYLATE FUMARIC ACID MONOETHYL ESTER, MAGNESIUM SALT BUTOPYRONOXYL Monoethyl fumarate

Diethyl oxalacetate sodium salt Ethyl trans-3-Benzoylacrylate CYTOCHALASIN A

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ETHYL TRANS-4-OXO-2-BUTENOATE 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% 2-Butenoic acid, 4-oxo-, ethyl ester, (2E)- Minodronic Acid Impurity 24 Ethyltrans-4-oxo-2-butenoate,96% ethyl (E)-4-oxobut-2-enoate TIANFU-CHEM - ETHYL TRANS-4-OXO-2-BUTENOATE Ethyl (2E)-4-oxo-2-butenoate trans-4-oxy-2-buteneacidethyl ester 2960-66-9 2960-66-0