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Ethyl trans-4-oxo-2-butenoate, 96%

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Origin: China

Cas No: 2960-66-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
2960-66-9
Other Names:
(E)-Ethyl 4-oxobut-2-enoate
MF:
C6H8O3
EINECS No.:
2960-66-9
Place of Origin:
china
Type:
Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
Purity:
99%MIN
Brand Name:
Richest
Model Number:
Richest
Application:
organic intermediates
Appearance:
powder
Packaging&Delivery
Packaging Details
1kg/bag,25kg/bag,25kg/drum or customer's request
Port
shanghai
Lead Time:
Quantity(Kilograms) 1 - 25 >25
Est. Time(days) 3 To be negotiated

Property

CAS No.: 2960-66-9 Formula: C6H8O3 Molecular Weight: 128.12600

Description

Ethyl trans-4-Oxobutenoate, is an intermediate used in the synthesis of various pharmaceutically active molecules. It can also be used in the asymmetric catalytic alkynylation of acetaldehyde, producing attractive synthons with broad applications, such as (+)-Tetrahydropyrenophorol.

Basic Info

Chemical Name	Ethyl trans-4-oxo-2-butenoate, 96%
Synonyms	ethyl fumaraldehydate; (E)-Ethyl 4-oxobut-2-enoate; 4-oxocrotonic acid ethyl ester; ETHYL TRANS-4-OXO-2-BUTENOATE; Ethyl 4-oxobut-2-enoate; (2E)-4-oxo-2-butenoic acid ethyl ester; (E)-4-oxobut-2-enoic acid ethyl ester; 4-oxo-but-2-enoic acid ethyl ester; Ethyl 3-formylacrylate~Ethyl fumaraldehydate~trans-4-Oxo-2-butenoic acid ethyl ester; ethyl 3-formylacrylate;
CAS No.	2960-66-9
Molecular Formula	C6H8O3
Molecular Weight	128.12600
PSA	43.37000
LogP	0.30460

Properties

Density	1.063
Boiling Point	184-188ºC
Melting Point	-9ºC
Flash Point	78.6ºC
Refractive Index	1.455
Vapor Pressure	0.343mmHg at 25°C

Safety Info

Safety Statements	S23-S36/37/39-S45
HS Code	2918300090
Packing Group	III
RIDADR	UN 2927
Risk Statements	R25; R34; R43

Synthesis Route

ETHYL SORBATE→Ethyl trans-4-oxo-2-butenoate, 96%
ethyl 4,4-diethoxybut-2-enoate→Ethyl trans-4-oxo-2-butenoate, 96%
(Z)-3-(ethoxycarbonyl)propenoyl chloride→4-hydroxycrotonic acid ethyl ester+Ethyl trans-4-oxo-2-butenoate, 96%

Precursor

(Z)-2-((E)-4-ethoxy-4-oxobut-2-en-1-ylidene)-1,1,1-trimethylhydrazin-1-ium iodide
ETHYL SORBATE
ethyl 4,4-diethoxybut-2-enoate
(Z)-3-(ethoxycarbonyl)propenoyl chloride

Downstream Product

ethyl (2E,4Z)-deca-2,4-dienoate
Ethyl 3-Pyrazolecarboxylate
ethyl 1,2-oxazole-3-carboxylate
ethyl 4,4-diethoxybut-2-enoate

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