CAS No.37746-78-4,Ethyl 4-bromocrotonate Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	37746-78-4
Name:	Ethyl 4-bromocrotonate
Article Data:	29

Formula:	C₆H₉BrO₂
Molecular Weight:	193.04
Synonyms:	2-Butenoicacid, 4-bromo-, ethyl ester, (E)-;(E)-4-Bromo-2-butenoic acid ethyl ester;(E)-Ethyl 4-bromocrotonate;Ethyl(E)-4-bromobutenoate;Ethyl-4-Bromo Crotonate;
EINECS:	227-996-1
Density:	1.4 g/cm³
Boiling Point:	213.9 °C at 760 mmHg
Flash Point:	76.7 °C
Solubility:	Insoluble in water.
Appearance:	clear yellow liquid
Hazard Symbols:	Xi,C
Risk Codes:	34-36/37/38
Safety:	26-36/37/39-45-24/25
Transport Information:	UN 3265 8/PG 2
PSA:	26.30000
LogP:	1.50060

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Chemistry

IUPAC Name: Ethyl (E)-4-bromobut-2-enoate
Molecular Formula: C₆H₉BrO₂
Molecular Weight: 193.0385
Density: 1.4 g/cm³
Boiling Point: 94-95 ºC (12 mmHg) ,213.9 °C at 760 mmHg
Flash Point: 97 ºC
Appearance: colorless pure liquid
Freely Rotating Bonds: 4
Polar Surface Area: 26.3 Å²
Index of Refraction: 1.483
Molar Refractivity: 39.41 cm³
Molar Volume: 137.8 cm³
Polarizability: 15.62 ×10^-24 cm³
Surface Tension: 34.8 dyne/cm
Flash Point: 76.7 °C
Enthalpy of Vaporization: 45.02 kJ/mol
Boiling Point: 213.9 °C at 760 mmHg
Vapour Pressure: 0.161 mmHg at 25°C
The Cas Register Number of 2-Butenoic acid,4-bromo-, ethyl ester, (2E)- is 37746-78-4 . The chemical synonyms of 2-Butenoic acid,4-bromo-, ethyl ester, (2E)- (CAS NO.37746-78-4) are Trans-ethyl-4-bromocrotonate ; 4-Bromocrotonic acid ethyl ester ; Ethyl trans-4-bromo-2-butenoate ; Ethyl 4-bromocrotonate ; Ethyl (2E)-4-bromo-2-butenoate ; Ethyl (E)-4-bromo-2-butenoate ; Ethyl gamma-bromocrotonate ; Ethylbromocrotonatepract .Its product categories are Pharmaceutical Intermediates . The molecular structure of 2-Butenoic acid,4-bromo-, ethyl ester, (2E)- (CAS NO.37746-78-4) is.

Uses

2-Butenoic acid,4-bromo-, ethyl ester, (2E)- (CAS NO.37746-78-4) is used as organic reagent, and pharmaceutical intermediate.

Production

Its raw materials are Sodium sulfate ; Carbon tetrachloride ; N-Bromosuccinimide ; Benzoyl peroxide ; Phosphorus pentoxide.

Safety Profile

Hazard Codes: Corrosive C , Irritant Xi
Risk Statements: 34-36/37/38
R34: Causes burns.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-45-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S24/25: Avoid contact with skin and eyes.
RIDADR: UN 3265 8/PG 2
WGK Germany: 3
F: 10-19-23
HazardClass: 8
PackingGroup: III