1-BROMO-4-DODECYLBENZENE

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Products Intro: Product Name:1-Bromo-4-dodecylbenzene
CAS:126930-72-1
Purity:98%(Min,HPLC) Package:100g;1kg;5kg,10kg,25kg,50kg
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CAS:126930-72-1
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CAS:126930-72-1
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1-BROMO-4-DODECYLBENZENE Basic information
Product Name:1-BROMO-4-DODECYLBENZENE
Synonyms:4-DODECYLBROMOBENZENE;4-N-DODECYLBROMOBENZENE;1-BROMO-4-N-DODECYLBENZENE;1-BROMO-4-DODECYLBENZENE;Benzene, 1-broMo-4-dodecyl-;1-Bromo-4-dodecylbenzene >
CAS:126930-72-1
MF:C18H29Br
MW:325.33
EINECS:
Product Categories:Functional Materials;4-Alkylbromobenzenes (Building Blocks for Liquid Crystals);Building Blocks for Liquid Crystals
Mol File:126930-72-1.mol
1-BROMO-4-DODECYLBENZENE Structure
1-BROMO-4-DODECYLBENZENE Chemical Properties
Melting point 17 °C
Boiling point 191°C 4mm
density 1,07 g/cm3
refractive index 1.5034
Fp 17 °C
storage temp. Sealed in dry,Room Temperature
form clear liquid
color Colorless to Almost colorless
Safety Information
Safety Statements 23-24/25
HS Code 29039990
MSDS Information
1-BROMO-4-DODECYLBENZENE Usage And Synthesis
Chemical PropertiesClear colorless liquid
Synthesis
1-(4-BROMOPHENYL)DODECAN-1-ONE

231606-35-2

1-BROMO-4-DODECYLBENZENE

126930-72-1

General procedure for the synthesis of 1-bromo-4-dodecylbenzene from 1-(4-bromophenyl)dodecan-1-one: Hydrazine monohydrate (23.6 mL, 4.5 eq.) and potassium hydroxide (24.3 g, 4 eq.) were added to a solution of 1-(4-bromophenyl)dodecan-1-one (36.5 g, 108.87 mmol) in triethylene glycol (180 mL). The reaction mixture was stirred under reflux conditions for about 15 hours. Upon completion of the reaction, the mixture was cooled to room temperature, poured into water, acidified with concentrated hydrochloric acid to pH < 7, and extracted with dichloromethane (3 x 100 mL). The organic phases were combined, washed with water (2 x 50 mL), dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure. The crude product was purified by silica gel column chromatography (eluent: 100% pentane) to afford 21.2 g (60% yield, not optimized) of the colorless oily target compound 1-bromo-4-dodecylbenzene. The product was analyzed and confirmed to be consistent with literature data.

References[1] Chemistry - A European Journal, 2001, vol. 7, # 10, p. 2197 - 2205
[2] Chemistry - A European Journal, 2000, vol. 6, # 23, p. 4327 - 4342
[3] Patent: US2008/267892, 2008, A1. Location in patent: Page/Page column 10
[4] Chemistry - A European Journal, 2017, vol. 23, # 72, p. 18129 - 18133
[5] Journal of Organic Chemistry, 2015, vol. 80, # 19, p. 9401 - 9409
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