Product Name

  • Name

    1-Bromo-2-methylpropane

  • EINECS 201-141-2
  • CAS No. 78-77-3
  • Article Data70
  • CAS DataBase
  • Density 1.26 g/cm3
  • Solubility 0.51 g/L (18 °C) in water
  • Melting Point -119 °C
  • Formula C4H9Br
  • Boiling Point 90.7 °C at 760 mmHg
  • Molecular Weight 137.019
  • Flash Point 18.3 °C
  • Transport Information UN 2342 3/PG 2
  • Appearance clear liquid
  • Safety 16-23-37/39-26
  • Risk Codes 11-37-36/37/38
  • Molecular Structure Molecular Structure of 78-77-3 (1-Bromo-2-methylpropane)
  • Hazard Symbols FlammableF,IrritantXi
  • Synonyms 1-bromo-2-methyl-propane;Propane,1-bromo-2-methyl-;1-bromo-isobutane;Propane, 1-bromo-2-methyl-;Bromoisobutane;iso-Butyl bromide;Trimethyl bromomethane;1-bromo-2-methyl propane;iso-Butylbromide;Turmeric Colour;1-bromo-2-methyl propane 99%;
  • PSA 0.00000
  • LogP 2.03730

Synthetic route

(i-C4H9)3SbBr2
29015-35-8, 651309-67-0

(i-C4H9)3SbBr2

A

Isobutyl bromide
78-77-3

Isobutyl bromide

B

(isobutyl)2SbBr
251318-70-4

(isobutyl)2SbBr

Conditions
ConditionsYield
heating at 220°C for 4 h; fractional distn. at 64-66°C at 0.1 Torr;A n/a
B 81%
heating at 220°C for 4 h; fractional distn. at 64-66°C at 0.1 Torr;A n/a
B 81%
2-methyl-propan-1-ol
78-83-1

2-methyl-propan-1-ol

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With sulfuric acid; hydrogen bromide In water at 90 - 95℃;42.9%
With phosphorus; bromine
With sulfuric acid; water; potassium bromide
2-Isobutoxy-4-methyl-[1,3,2]dioxaborinane
161616-29-1

2-Isobutoxy-4-methyl-[1,3,2]dioxaborinane

A

Isobutyl bromide
78-77-3

Isobutyl bromide

B

1,3-dibromobutane
107-80-2

1,3-dibromobutane

Conditions
ConditionsYield
With aluminum tri-bromide In diethyl etherA n/a
B 41%
2-isobutyl-4-methyl-1,3,2-dioxaborinane
95093-86-0

2-isobutyl-4-methyl-1,3,2-dioxaborinane

A

Isobutyl bromide
78-77-3

Isobutyl bromide

B

1,3-dibromobutane
107-80-2

1,3-dibromobutane

Conditions
ConditionsYield
With aluminum tri-bromide In diethyl etherA n/a
B 25%
pyridine
110-86-1

pyridine

t-butyl bromide
507-19-7

t-butyl bromide

Isobutyl bromide
78-77-3

Isobutyl bromide

bromocyane
506-68-3

bromocyane

1-isobutylsulfanyl-butane
1741-85-1

1-isobutylsulfanyl-butane

A

1-bromo-butane
109-65-9

1-bromo-butane

B

Isobutyl bromide
78-77-3

Isobutyl bromide

C

isobutyl thiocyanate
591-84-4

isobutyl thiocyanate

Conditions
ConditionsYield
at 70℃; im Rohr;
dibromophosphoric acid isobutyl ester
118725-89-6

dibromophosphoric acid isobutyl ester

2-methyl-propan-1-ol
78-83-1

2-methyl-propan-1-ol

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
at 17℃;
bromophosphoric acid diisobutyl ester
108899-28-1

bromophosphoric acid diisobutyl ester

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
at 100℃;
2-methyl-propan-1-ol
78-83-1

2-methyl-propan-1-ol

A

Isobutyl bromide
78-77-3

Isobutyl bromide

B

1,2-dibromo-2-methyl-propane
594-34-3

1,2-dibromo-2-methyl-propane

Conditions
ConditionsYield
With naphthalene; bromine
t-butyl bromide
507-19-7

t-butyl bromide

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
at 210 - 220℃;
at 205 - 240℃; Geschwindigkeit;
at 210 - 220℃; im Rohr;
Gleichgewicht des Systems Isobutylbromid-tert.-Butylbromid liegt bei ca. 76prozent tert.-Bromid;
N-isobutyl-aniline; hydrobromide

N-isobutyl-aniline; hydrobromide

A

Isobutyl bromide
78-77-3

Isobutyl bromide

B

4-tert-Butylaniline
769-92-6

4-tert-Butylaniline

C

isobutene
115-11-7

isobutene

Conditions
ConditionsYield
at 300℃;
acetic acid
64-19-7

acetic acid

isobutene
115-11-7

isobutene

A

t-butyl bromide
507-19-7

t-butyl bromide

B

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With hydrogen bromide
isobutyryl chloride
513-36-0

isobutyryl chloride

A

t-butyl bromide
507-19-7

t-butyl bromide

B

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With aluminium trichloride; hydrogen bromide
methylene
2465-56-7

methylene

isopropyl bromide
75-26-3

isopropyl bromide

A

t-butyl bromide
507-19-7

t-butyl bromide

B

Isobutyl bromide
78-77-3

Isobutyl bromide

C

s-butyl bromide
78-76-2, 5787-31-5

s-butyl bromide

isobutene
115-11-7

isobutene

A

t-butyl bromide
507-19-7

t-butyl bromide

B

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With hydrogen bromide; acetic acid
isobutene
115-11-7

isobutene

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With hydrogen bromide
With ascaridole; hydrogen bromide
oxirane
75-21-8

oxirane

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With Cu(i-BuBr)2+ Thermodynamic data; free energie for exchange of both ligands;
Isobutane
75-28-5

Isobutane

A

t-butyl bromide
507-19-7

t-butyl bromide

B

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With norborn-2-ene; N-bromobis(trimethylsilyl)amine at 44.9℃; for 2h; Product distribution; Mechanism; Irradiation; variation of temperature, time, reagent concentration, initiation method;
With N-Bromosuccinimide In dichloromethane at 15℃; Product distribution; Irradiation; CH2CCl2; influence of additive - BrCCl3;
With N-Bromosuccinimide; 1,1-Dichloroethylene In dichloromethane at 14 - 15℃;A 0.133 mmol
B 0.084 mmol
Isobutane
75-28-5

Isobutane

A

tertiary butyl chloride
507-20-0

tertiary butyl chloride

B

t-butyl bromide
507-19-7

t-butyl bromide

C

Isobutyl bromide
78-77-3

Isobutyl bromide

D

isobutyryl chloride
513-36-0

isobutyryl chloride

E

tert-butyl alcohol
75-65-0

tert-butyl alcohol

Conditions
ConditionsYield
With IVTPP(OIPh)>2O; BrMnIIITPP In chlorobenzene at 25℃; Product distribution; Mechanism;A 6 % Chromat.
B 18 % Chromat.
C 2 % Chromat.
D 2 % Chromat.
E 11 % Chromat.
Isobutane
75-28-5

Isobutane

A

tertiary butyl chloride
507-20-0

tertiary butyl chloride

B

t-butyl bromide
507-19-7

t-butyl bromide

C

Isobutyl bromide
78-77-3

Isobutyl bromide

D

tert-butyl alcohol
75-65-0

tert-butyl alcohol

Conditions
ConditionsYield
With (5,10,15,20-tetraphenylporphyrinato)manganese(III) chloride; IVTPP(OIPh)>2O In chlorobenzene at 25℃; Product distribution; Mechanism;A 7 % Chromat.
B 11 % Chromat.
C 2 % Chromat.
D 10 % Chromat.
Isobutane
75-28-5

Isobutane

A

t-butyl bromide
507-19-7

t-butyl bromide

B

Isobutyl bromide
78-77-3

Isobutyl bromide

C

tert-butyl alcohol
75-65-0

tert-butyl alcohol

Conditions
ConditionsYield
With IVTPP(OIPh)>2O In chlorobenzene at 25℃; for 1h; Product distribution; Mechanism; further reagents (BrMnIIITPP);A 13 % Chromat.
B 2 % Chromat.
C 11 % Chromat.
Isobutyl iodide
513-38-2

Isobutyl iodide

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With pyridine; tributyltin bromide at 125℃; Thermodynamic data; Equilibrium constant; Δ G;33 % Spectr.
isobutyryl chloride
513-36-0

isobutyryl chloride

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With pyridine; tributyltin bromide at 125℃; Thermodynamic data; Equilibrium constant; Δ G;
isopropyl bromide
75-26-3

isopropyl bromide

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With Cu(i-BuBr)2+ Thermodynamic data; free energie for exchange of both ligands;
n-butane
106-97-8

n-butane

A

t-butyl bromide
507-19-7

t-butyl bromide

B

Isobutyl bromide
78-77-3

Isobutyl bromide

C

s-butyl bromide
78-76-2, 5787-31-5

s-butyl bromide

Conditions
ConditionsYield
With 2AlBr3*CBr4; bromine at -20℃; for 2h; Title compound not separated from byproducts;
With 2AlBr3*CBr4; bromine In various solvent(s) at -20℃; for 2h; Yields of byproduct given. Title compound not separated from byproducts;
With 2AlBr3*CBr4; bromine at -20℃; for 2h; Yield given. Title compound not separated from byproducts;
With 2AlBr3*CBr4; bromine In various solvent(s) at -20℃; for 2h; Yield given. Title compound not separated from byproducts;
t-Butyl radical
1605-73-8

t-Butyl radical

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With helium; hydrogen bromide at 27.9 - 393.9℃; Kinetics; Thermodynamic data; Irradiation; ΔS, ΔH, ΔG;
isobutyl radical
4630-45-9

isobutyl radical

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
With helium; hydrogen bromide at 27.9 - 276.9℃; Kinetics; Irradiation; ΔS, ΔG, ΔH;
hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

isobutene
115-11-7

isobutene

Isobutyl bromide
78-77-3

Isobutyl bromide

Conditions
ConditionsYield
UV-Licht.Irradiation;
UV-Licht.Irradiation;
ascaridole
512-85-6

ascaridole

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

isobutene
115-11-7

isobutene

Isobutyl bromide
78-77-3

Isobutyl bromide

aluminium trichloride
7446-70-0

aluminium trichloride

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

isobutyryl chloride
513-36-0

isobutyryl chloride

A

t-butyl bromide
507-19-7

t-butyl bromide

B

Isobutyl bromide
78-77-3

Isobutyl bromide

Isobutyl bromide
78-77-3

Isobutyl bromide

potassium phtalimide
1074-82-4

potassium phtalimide

N-isopropylphthalimide
304-17-6

N-isopropylphthalimide

Conditions
ConditionsYield
[2.2.2]cryptande In tetrahydrofuran for 0.25h;100%
Isobutyl bromide
78-77-3

Isobutyl bromide

methanethiol
26257-08-9

methanethiol

sodium methoxide

sodium methoxide

(2-Isobutylsulfanylmethyl-phenyl)-methanol
95676-01-0

(2-Isobutylsulfanylmethyl-phenyl)-methanol

Conditions
ConditionsYield
In methanol for 48h; Ambient temperature;100%
Isobutyl bromide
78-77-3

Isobutyl bromide

3,6-dibromo-8-methoxyimidazo[1,2-a]pyrazine

3,6-dibromo-8-methoxyimidazo[1,2-a]pyrazine

6-bromo-3-(isobutyl)-8-methoxyimidazo[1,2-a]pyrazine

6-bromo-3-(isobutyl)-8-methoxyimidazo[1,2-a]pyrazine

Conditions
ConditionsYield
Stage #1: 3,6-dibromo-8-methoxyimidazo[1,2-a]pyrazine In tetrahydrofuran; hexane at -75℃; for 0.25h; Metallation;
Stage #2: Isobutyl bromide In tetrahydrofuran; hexane at -75 - 20℃; for 0.25h; Substitution;
100%
Isobutyl bromide
78-77-3

Isobutyl bromide

3-butenyl(1,3-dithian-2-yl)methylphenylsilane
202743-43-9

3-butenyl(1,3-dithian-2-yl)methylphenylsilane

3-butenyl[2-(2-methylpropyl)-1,3-dithian-2-yl]methylphenylsilane
202743-44-0

3-butenyl[2-(2-methylpropyl)-1,3-dithian-2-yl]methylphenylsilane

Conditions
ConditionsYield
Stage #1: 3-butenyl(1,3-dithian-2-yl)methylphenylsilane With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 3h;
Stage #2: Isobutyl bromide In tetrahydrofuran; hexane at -78 - 20℃; Further stages.;
100%
Isobutyl bromide
78-77-3

Isobutyl bromide

benzonitrile
100-47-0

benzonitrile

3-methyl-1-phenylbutan-1-one
582-62-7

3-methyl-1-phenylbutan-1-one

Conditions
ConditionsYield
Stage #1: Isobutyl bromide With iodine; magnesium In diethyl ether
Stage #2: benzonitrile In diethyl ether for 6h; Heating;
100%
Stage #1: Isobutyl bromide With iodine; magnesium In diethyl ether Inert atmosphere;
Stage #2: benzonitrile In diethyl ether for 6h; Grignard reaction; Reflux;
Stage #3: With sulfuric acid; water In diethyl ether Heating;
100%
Stage #1: Isobutyl bromide With iodine; magnesium In diethyl ether for 1h; Inert atmosphere; Reflux;
Stage #2: benzonitrile In diethyl ether at 20℃; for 0.5h; Reflux; Inert atmosphere;
29%
NH-pyrazole
288-13-1

NH-pyrazole

Isobutyl bromide
78-77-3

Isobutyl bromide

1-isobutyl-1H-pyrazole
725746-81-6

1-isobutyl-1H-pyrazole

Conditions
ConditionsYield
With sodium hydroxide; tetrabutylammomium bromide In water; methyl cyclohexane at 110℃; for 5.5h; Product distribution / selectivity; Heating / reflux;100%
With potassium hydroxide In ethanol at 78℃; for 1.5h;64%
Isobutyl bromide
78-77-3

Isobutyl bromide

Methyl 4-hydroxyphenylacetate
14199-15-6

Methyl 4-hydroxyphenylacetate

2-(4-isobutyloxyphenyl)acetic acid methyl ester

2-(4-isobutyloxyphenyl)acetic acid methyl ester

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20 - 80℃; for 73h;100%
Stage #1: Methyl 4-hydroxyphenylacetate With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 1h;
Stage #2: Isobutyl bromide In N,N-dimethyl-formamide at 80℃; for 72h; Reagent/catalyst;
94.6%
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 6h; Temperature;94.02%
Isobutyl bromide
78-77-3

Isobutyl bromide

methyl 2-(3,4-dichlorophenyl)acetate
6725-44-6

methyl 2-(3,4-dichlorophenyl)acetate

2-(3,4-dichlorophenyl)-4-methyl-pentanoic acid methyl ester
300356-82-5

2-(3,4-dichlorophenyl)-4-methyl-pentanoic acid methyl ester

Conditions
ConditionsYield
Stage #1: methyl 2-(3,4-dichlorophenyl)acetate With N,N,N,N,N,N-hexamethylphosphoric triamide; lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.75h; Inert atmosphere;
Stage #2: Isobutyl bromide In tetrahydrofuran at -78 - 25℃; Inert atmosphere;
100%
4-(2-chloro-9H-purin-6-yl)morpholine
4010-81-5

4-(2-chloro-9H-purin-6-yl)morpholine

Isobutyl bromide
78-77-3

Isobutyl bromide

2-chloro-9-isobutyl-6-morpholin-4-yl-9H-purine
1198171-89-9

2-chloro-9-isobutyl-6-morpholin-4-yl-9H-purine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 5h;100%
Isobutyl bromide
78-77-3

Isobutyl bromide

3-benzyloxy-4-hydroxybenzaldehyde
50773-56-3

3-benzyloxy-4-hydroxybenzaldehyde

4-isobutoxy-3-benzyloxybenzaldehyde
1234500-50-5

4-isobutoxy-3-benzyloxybenzaldehyde

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 20h;100%
2-hydroxy-4-methoxypyridine-3-carbonitrile
21642-98-8

2-hydroxy-4-methoxypyridine-3-carbonitrile

Isobutyl bromide
78-77-3

Isobutyl bromide

1-isobutyl-4-methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile

1-isobutyl-4-methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 100℃; for 16h;100%
Isobutyl bromide
78-77-3

Isobutyl bromide

4,4'-dihydroxybenzil
33288-79-8

4,4'-dihydroxybenzil

1,2-bis(4-isobutoxyphenyl)ethane-1,2-dione

1,2-bis(4-isobutoxyphenyl)ethane-1,2-dione

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium carbonate In N,N-dimethyl-formamide at 130℃;100%
Isobutyl bromide
78-77-3

Isobutyl bromide

4-cyanophenol
767-00-0

4-cyanophenol

4-(2-methylpropoxy)benzonitrile
5203-15-6

4-(2-methylpropoxy)benzonitrile

Conditions
ConditionsYield
With potassium iodide In N,N-dimethyl-formamide at 60℃; for 10h; Reagent/catalyst; Solvent; Temperature;100%
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 80℃; for 6h;98.5%
With tetra-(n-butyl)ammonium iodide In N,N-dimethyl-formamide at 70℃; for 18h;98%
Isobutyl bromide
78-77-3

Isobutyl bromide

5-nitroguaiacol
636-93-1

5-nitroguaiacol

2-Isobutoxy-1-methoxy-4-nitro-benzene
185145-95-3

2-Isobutoxy-1-methoxy-4-nitro-benzene

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide; potassium carbonate In acetone for 48h; Heating;99.5%
Isobutyl bromide
78-77-3

Isobutyl bromide

Dimethyl 5-hydroxyisophthalate
13036-02-7

Dimethyl 5-hydroxyisophthalate

dimethyl 5-(isobutyloxy)isophthalate
1185753-91-6

dimethyl 5-(isobutyloxy)isophthalate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 40℃; for 20h;99.5%
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 60℃; for 72h; Inert atmosphere;94%
Isobutyl bromide
78-77-3

Isobutyl bromide

isobutylmagnesium bromide
926-62-5

isobutylmagnesium bromide

Conditions
ConditionsYield
With iodine; magnesium In diethyl ether for 0.75h; Inert atmosphere; Cooling with ice; Reflux;99%
With magnesium In diethyl ether Thermodynamic data; -ΔH(reaction);
With magnesium In diethyl ether
Isobutyl bromide
78-77-3

Isobutyl bromide

salicylaldehyde
90-02-8

salicylaldehyde

2-(i-butoxy)benzaldehyde
81995-32-6

2-(i-butoxy)benzaldehyde

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran at 20 - 40℃; for 16h; Inert atmosphere;99%
With potassium carbonate In N,N-dimethyl-formamide at 40℃; for 20h; Inert atmosphere;99%
With potassium carbonate In N,N-dimethyl-formamide at 40℃; for 20h; Inert atmosphere;99%
diferrocenyl ditelluride

diferrocenyl ditelluride

Isobutyl bromide
78-77-3

Isobutyl bromide

ferrocenyl i-butyl telluride
340681-36-9

ferrocenyl i-butyl telluride

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol (N2); Fe complex reacted with NaBH4 in EtOH; reacted with alkyl halide in EtOH;99%
Isobutyl bromide
78-77-3

Isobutyl bromide

3,5-dihydroxybenzaldehyde
26153-38-8

3,5-dihydroxybenzaldehyde

3,5-diisobutoxybenzaldehyde
1051932-53-6

3,5-diisobutoxybenzaldehyde

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 55℃; for 2.5h;99%
Isobutyl bromide
78-77-3

Isobutyl bromide

3-(5-iodo-1H-indazol-1-yl)benzoic acid
1034155-43-5

3-(5-iodo-1H-indazol-1-yl)benzoic acid

isobutyl 3-(5-iodo-1H-indazol-1-yl)benzoate
1196452-46-6

isobutyl 3-(5-iodo-1H-indazol-1-yl)benzoate

Conditions
ConditionsYield
With sodium carbonate In 1-methyl-pyrrolidin-2-one at 40 - 55℃;99%
Stage #1: 3-(5-iodo-1H-indazol-1-yl)benzoic acid With sodium carbonate In 1-methyl-pyrrolidin-2-one at 40℃;
Stage #2: Isobutyl bromide In 1-methyl-pyrrolidin-2-one at 40 - 55℃;
99%
Isobutyl bromide
78-77-3

Isobutyl bromide

(2S)-2-amino-4-[(2-methylpropyl)sulfanyl]butanoic acid
13073-23-9

(2S)-2-amino-4-[(2-methylpropyl)sulfanyl]butanoic acid

Conditions
ConditionsYield
With ammonia; sodium at -78℃;99%
Isobutyl bromide
78-77-3

Isobutyl bromide

12-bromododecanol
3344-77-2

12-bromododecanol

14-methyl-1-pentadecanol
20194-48-3

14-methyl-1-pentadecanol

Conditions
ConditionsYield
Stage #1: Isobutyl bromide With magnesium In tetrahydrofuran for 1.5h; Reflux;
Stage #2: 12-bromododecanol With dilithium tetrachlorocuprate In tetrahydrofuran at -78 - 20℃; for 1.66667h;
99%
Isobutyl bromide
78-77-3

Isobutyl bromide

4-tolylacetic acid
622-47-9

4-tolylacetic acid

4-methyl-2-(p-tolyl)pentanoic acid

4-methyl-2-(p-tolyl)pentanoic acid

Conditions
ConditionsYield
Stage #1: 4-tolylacetic acid With n-butyllithium In tetrahydrofuran at 0℃; for 1.5h; Inert atmosphere;
Stage #2: Isobutyl bromide In tetrahydrofuran for 0.25h; Inert atmosphere;
99%
Isobutyl bromide
78-77-3

Isobutyl bromide

ethyl 2‐(3‐formyl‐4‐hydroxyphenyl)‐4‐methylthiazole‐5‐carboxylate
161798-01-2

ethyl 2‐(3‐formyl‐4‐hydroxyphenyl)‐4‐methylthiazole‐5‐carboxylate

febuxostat

febuxostat

Conditions
ConditionsYield
With potassium carbonate; N,N-dimethyl-formamide In toluene at 105℃; for 4h;98.71%
Isobutyl bromide
78-77-3

Isobutyl bromide

ethyl-2-(3-cyano-4-hydroxy phenyl)-4-methyl thiozole-5-carboxylate
161798-02-3

ethyl-2-(3-cyano-4-hydroxy phenyl)-4-methyl thiozole-5-carboxylate

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester
160844-75-7

2-(3-cyano-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In ethyl acetate at 65 - 70℃; for 5h; Temperature; Solvent; Reagent/catalyst;98.2%
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 8h;92.9%
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 90℃; for 3h;88%
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 90℃; for 3h;88%
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 15h;2.28 g
Isobutyl bromide
78-77-3

Isobutyl bromide

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

4-isobutoxybenzaldehyde
18962-07-7

4-isobutoxybenzaldehyde

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 70℃; for 3h; Inert atmosphere;98%
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 85℃; for 6h;96%
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 85℃; for 6h;95%
Isobutyl bromide
78-77-3

Isobutyl bromide

4-isopentylpyridine
4810-78-0

4-isopentylpyridine

Conditions
ConditionsYield
Stage #1: picoline With n-butyllithium In tetrahydrofuran at -78 - 45℃; for 2h;
Stage #2: Isobutyl bromide In tetrahydrofuran at -78 - 20℃;
Stage #3: With water In tetrahydrofuran
98%
Isobutyl bromide
78-77-3

Isobutyl bromide

trimethylstannyl sodium
16643-09-7

trimethylstannyl sodium

isobutyl-trimethyl stannane
1118-10-1

isobutyl-trimethyl stannane

Conditions
ConditionsYield
In tetrahydrofuran 0°C in N2-atmosphere; various yields for various conditions;98%
In tetrahydrofuran byproducts: NaBr; under argon, equimolar amounts, at 0°C; GLC;82%
Isobutyl bromide
78-77-3

Isobutyl bromide

3-hydroxy-4,5-dimethoxybenzaldehyde
29865-90-5

3-hydroxy-4,5-dimethoxybenzaldehyde

3-isobutoxy-4,5-dimethoxybenzaldehyde
1351593-96-8

3-isobutoxy-4,5-dimethoxybenzaldehyde

Conditions
ConditionsYield
Stage #1: 3-hydroxy-4,5-dimethoxybenzaldehyde With caesium carbonate In N,N-dimethyl-formamide for 0.166667h; Inert atmosphere;
Stage #2: Isobutyl bromide In N,N-dimethyl-formamide at 20℃;
98%
Isobutyl bromide
78-77-3

Isobutyl bromide

4-(4-bromo-2-fluorophenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one

4-(4-bromo-2-fluorophenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one

4-(4-bromo-2-fluorophenyl)-1-isobutyl-1H-1,2,4-triazol-5(4H)-one

4-(4-bromo-2-fluorophenyl)-1-isobutyl-1H-1,2,4-triazol-5(4H)-one

Conditions
ConditionsYield
Stage #1: 4-(4-bromo-2-fluorophenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one With potassium hydroxide In N,N-dimethyl-formamide at 20℃; for 0.166667h;
Stage #2: Isobutyl bromide In N,N-dimethyl-formamide at 60℃; for 12h;
98%

1-Bromo-2-methylpropane Consensus Reports

EPA Genetic Toxicology Program. Reported in EPA TSCA Inventory.

1-Bromo-2-methylpropane Standards and Recommendations

DOT Classification:  3; Label: Flammable Liquid

1-Bromo-2-methylpropane Specification

The IUPAC name of this chemical is 1-bromo-2-methylpropane. With the CAS registry number 78-77-3, it is also named as Bromoisobutane; iso-Butyl bromide. The product's categories are organics and alkyl bromide. It is clear liquid which is slightly soluble in water, and miscible with ethanol, ether and other organic solvents. In addition, it is flammable by fire, heat and oxidants. When heated to decomposition it emits toxic fumes of Br-. The storage environment should be ventilate, low-temperature and dry. Keep it separate from oxidant and acid.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 2.56; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.56; (4)ACD/LogD (pH 7.4): 2.56; (5)ACD/BCF (pH 5.5): 51.78; (6)ACD/BCF (pH 7.4): 51.78; (7)ACD/KOC (pH 5.5): 587; (8)ACD/KOC (pH 7.4): 587; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Index of Refraction: 1.436; (13)Molar Refractivity: 28.27 cm3; (14)Molar Volume: 108.1 cm3; (15)Polarizability: 11.2×10-24 cm3; (16)Surface Tension: 24.6 dyne/cm; (17)Enthalpy of Vaporization: 31.33 kJ/mol; (18)Vapour Pressure: 62.9 mmHg at 25°C; (19)Rotatable Bond Count: 1; (20)Exact Mass: 135.988763; (21)MonoIsotopic Mass: 135.988763; (22)Heavy Atom Count: 5.

Preparation of 1-Bromo-2-methylpropane: It can be obtained by 2-isobutoxy-4-methyl-[1,3,2]dioxaborinane with anhyd. AlBr3 in solvent diethyl ether. The yield is 41% and this reaction can get another product 1,3-dibromo-butane. 

  

Uses of 1-Bromo-2-methylpropane: It is used as solvent, organic synthesis and pharmaceutical intermediate. It can react with piperazine to get 1-isobutyl-piperazine. This reaction needs reagent toluene at temperature of 90 °C.

When you are using this chemical, please be cautious about it as the following:
It is highly flammable, so keep it away from sources of ignition.. And it is irritating to eyes, respiratory system and skin, so people should not breathe vapour. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable gloves and eye/face protection.

People can use the following data to convert to the molecule structure.
1. SMILES: BrCC(C)C;
2. InChI: InChI=1/C4H9Br/c1-4(2)3-5/h4H,3H2,1-2H3.

The following are the toxicity data which has been tested.

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mammal (species unspecified) LC50 inhalation 50500mg/m3 (50500mg/m3)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 18(4), Pg. 55, 1974.
mouse LD50 intraperitoneal 1660mg/kg (1660mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 20(12), Pg. 52, 1976.

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View