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Ethyl 4-Bromocrotonate

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Origin: China

Cas No: 37746-78-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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Product Description

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CAS No.: 37746-78-4 Formula: C6H9BrO2 Molecular Weight: 193.03800

Basic Info

Chemical Name	Ethyl 4-Bromocrotonate
Synonyms	2-Butenoic acid, 4-bromo-, ethyl ester, (E)-; (E)-Ethyl 4-bromobut-2-enoate; Ethyl 4-bromocrotonate;
CAS No.	37746-78-4
Molecular Formula	C6H9BrO2
Molecular Weight	193.03800
PSA	26.30000
LogP	1.50060

Properties

Appearance & Physical State	clear yellow liquid
Density	1.402 g/mL at 25 °C(lit.)
Boiling Point	94-95 °C12 mm Hg(lit.)
Flash Point	207 °F
Refractive Index	n20/D 1.493(lit.)
Storage Condition	2-8°C

Safety Info

Hazard Class	8
Safety Statements	S26; S36/37/39; S45
HS Code	2916190090
WGK Germany	3
Packing Group	III
RIDADR	UN 3265 8/PG 2
Risk Statements	R34; R36/37/38
Hazard Codes	C; Xi

Synthesis Route

4-hydroxycrotonic acid ethyl ester→Ethyl 4-Bromocrotonate
Ethyl trans-2-butenoate→Ethyl 4-Bromocrotonate
2-hydroxy-3-butensaeure-ethylester→Ethyl 4-Bromocrotonate

Precursor

Ethyl trans-2-butenoate
2-hydroxy-3-butensaeure-ethylester
4-hydroxycrotonic acid ethyl ester
ETHYL 3-BUTENOATE

Downstream Product

(E)-5,5-Difluoro-hex-2-enedioic acid 1-ethyl ester 6-methyl ester
ETHYL-3-OCTENOATE
methyl 2-bromo-2,2-difluoroacetate
ethyl 2-(4-benzylmorpholin-2-yl)acetate

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