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2-(4-Bromophenyl)-2-methylpropionic acid
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Name

2-(4-Bromophenyl)-2-methylpropionic acid

 EINECS 696-555-7
CAS No. 32454-35-6 Density 1.456 g/cm3
PSA 37.30000 LogP 2.81130
Solubility N/A Melting Point 122-124 °C
Formula C10H11BrO2 Boiling Point 334.239 °C at 760 mmHg
Molecular Weight 243.1 Flash Point 155.942 °C
Transport Information N/A Appearance White Solid
Safety Risk Codes 22
Molecular Structure Molecular Structure of 32454-35-6 (2-(4-Bromophenyl)-2-methylpropionic acid) Hazard Symbols Xn
Synonyms

Benzeneacetic acid, 4-bromo-alpha,alpha-dimethyl-;2-Methyl-2-(4-bromophenyl) propionic acid;

Article Data 20

2-(4-Bromophenyl)-2-methylpropionic acid Synthetic route

101184-73-0

2-(4-bromophenyl)-2-methylpropanenitrile

32454-35-6

2-(4-bromophenyl)-2-methylpropionic acid

Conditions
ConditionsYield
With potassium hydroxide In ethanol; water at 80 - 85℃; for 18h; Hydrolysis;99%
With water; potassium hydroxide In ethanol for 20h; Reflux;5.3 g
With potassium hydroxide In ethylene glycol for 4h; Reflux;

1-bromo-4-(2-isocyanopropan-2-yl)benzene

32454-35-6

2-(4-bromophenyl)-2-methylpropionic acid

Conditions
ConditionsYield
With water; sodium hydroxide In ethanol at 100℃; for 16h;99%
154825-97-5

methyl 2-(4-bromophenyl)-2,2-dimethylacetate

32454-35-6

2-(4-bromophenyl)-2-methylpropionic acid

Conditions
ConditionsYield
Stage #1: methyl 2-(4-bromophenyl)-2,2-dimethylacetate With water; lithium hydroxide In 1,4-dioxane at 50℃; for 5.5h;
Stage #2: With hydrogenchloride In 1,4-dioxane; water		94%
Stage #1: methyl 2-(4-bromophenyl)-2,2-dimethylacetate With methanol; lithium hydroxide; water In tetrahydrofuran at 0 - 20℃; for 3h;
Stage #2: With hydrogenchloride In water at 0℃;
Stage #1: methyl 2-(4-bromophenyl)-2,2-dimethylacetate With potassium hydroxide; ethanol; water at 90℃; for 15h;
Stage #2: With hydrogenchloride; water pH=2.0;

C15H20BrClO2

32454-35-6

2-(4-bromophenyl)-2-methylpropionic acid

Conditions
ConditionsYield
With water; sodium hydroxide In methanol for 2h; Reflux;86%
826-55-1

2-methyl-2-phenylpropionic acid

32454-35-6

2-(4-bromophenyl)-2-methylpropionic acid

Conditions
ConditionsYield
Stage #1: 2-methyl-2-phenylpropionic acid With bromine; sodium carbonate In water at 25 - 30℃; pH=7;
Stage #2: With hydrogenchloride In water pH=1 - 2; Product distribution / selectivity;		81%
Stage #1: 2-methyl-2-phenylpropionic acid With bromine; sodium hydrogencarbonate In water at 25 - 35℃; for 13h; Industry scale;
Stage #2: With hydrogenchloride In water at 0 - 10℃; pH=5; Product distribution / selectivity;		46.6%
With tetrachloromethane; bromine; iron
14062-25-0

Ethyl 4-bromophenylacetate

74-88-4

methyl iodide

32454-35-6

2-(4-bromophenyl)-2-methylpropionic acid

Conditions
ConditionsYield
With sodium hydride
32454-36-7

2-(4-bromophenyl)-2-methyl-propionic acid ethyl ester

32454-35-6

2-(4-bromophenyl)-2-methylpropionic acid

Conditions
ConditionsYield
With methanol; sodium hydroxide; water In tetrahydrofuran at 20℃; for 16h;
Stage #1: 2-(4-bromophenyl)-2-methyl-propionic acid ethyl ester With methanol; potassium hydroxide; water at 0℃; for 2h; Heating / reflux;
Stage #2: With hydrogenchloride; methanol In water
10519-96-7

potassium trimethylsilonate

154825-97-5

methyl 2-(4-bromophenyl)-2,2-dimethylacetate

32454-35-6

2-(4-bromophenyl)-2-methylpropionic acid

Conditions
ConditionsYield
With hydrogenchloride In tetrahydrofuran
71-43-2

benzene

32454-35-6

2-(4-bromophenyl)-2-methylpropionic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: aluminum (III) chloride / Industry scale
2.1: sodium hydrogencarbonate; bromine / water / 13 h / 25 - 35 °C / Industry scale
2.2: 0 - 10 °C / pH 5
View Scheme
Multi-step reaction with 2 steps
1.1: aluminum (III) chloride / Industry scale
2.1: bromine; sodium carbonate / water / 25 - 30 °C / pH 7
2.2: pH 1 - 2
View Scheme
53086-53-6

2-(4-bromophenyl)propionic acid

74-88-4

methyl iodide

32454-35-6

2-(4-bromophenyl)-2-methylpropionic acid

Conditions
ConditionsYield
Stage #1: 2-(4-bromophenyl)propionic acid With lithium diisopropyl amide In tetrahydrofuran at 45℃; for 1h; Inert atmosphere; Cooling with ice;
Stage #2: methyl iodide In tetrahydrofuran at 0 - 20℃; Inert atmosphere;

2-(4-Bromophenyl)-2-methylpropionic acid Chemical Properties

Molecular Structure of 2-(4-Bromophenyl)-2-methylpropionic acid (CAS NO.32454-35-6):

IUPAC Name: 2-(4-bromophenyl)-2-methylpropanoic acid 
Empirical Formula: C10H11BrO2
Molecular Weight: 243.0971
H bond acceptors: 2
H bond donors: 1
Freely Rotating Bonds: 2
Polar Surface Area: 37.3 Å2
Index of Refraction: 1.559
Molar Refractivity: 53.895 cm3
Molar Volume: 166.931 cm3
Surface Tension: 43.054 dyne/cm
Density: 1.456 g/cm3
Flash Point: 155.942 °C
Enthalpy of Vaporization: 60.922 kJ/mol
Boiling Point: 334.239 °C at 760 mmHg
Vapour Pressure: 0 mmHg at 25°C 
Melting point: 122-124°C
Product Categories: Aromatics

2-(4-Bromophenyl)-2-methylpropionic acid Specification

  2-(4-Bromophenyl)-2-methylpropionic acid , with CAS number of 32454-35-6, can be called 2-(4-Bromophenyl)-2-methylpropionic acid ; Bromophenylmethylpropionicacid ; 2-Methyl-2-(4-bromophenyl) propionic acid ; benzeneacetic acid, 4-bromo-alpha,alpha-dimethyl- . It is a white solid.

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