Product Name

  • Name

    tert-Amylbenzene

  • EINECS 218-076-0
  • CAS No. 2049-95-8
  • Article Data78
  • CAS DataBase
  • Density 0.858 g/cm3
  • Solubility 10.5mg/L(25 oC)
  • Melting Point -44.72°C (estimate)
  • Formula C11H16
  • Boiling Point 190.1 °C at 760 mmHg
  • Molecular Weight 148.248
  • Flash Point 59.3 °C
  • Transport Information
  • Appearance
  • Safety 23-24/25
  • Risk Codes
  • Molecular Structure Molecular Structure of 2049-95-8 (tert-Amylbenzene)
  • Hazard Symbols
  • Synonyms Benzene,tert-pentyl- (6CI,7CI,8CI);(1,1-Dimethylpropyl)benzene;2-Methyl-2-phenylbutane;Hizol P;NSC 4025;Benzene,(1,1-dimethylpropyl)-;tert-Pentylbenzene;
  • PSA 0.00000
  • LogP 3.37420

Synthetic route

tert-Amyl alcohol
75-85-4

tert-Amyl alcohol

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With aluminum (III) chloride; iron(III) chloride at 0 - 5℃; for 6h; Large scale;99.4%
With AlCl2
With iron(III) chloride
With aluminium trichloride
2-methyl-2-butylchloride
594-36-5

2-methyl-2-butylchloride

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With iron(III) chloride at 5℃; under 187.519 Torr; for 2.5h; Reagent/catalyst; Pressure;98%
With boron trifluoride
With zirconium(IV) chloride
Isopropylbenzene
98-82-8

Isopropylbenzene

ethene
74-85-1

ethene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
at 160℃; for 1.5h; Inert atmosphere; Autoclave;37.8%
Isopropylbenzene
98-82-8

Isopropylbenzene

ethene
74-85-1

ethene

A

1,1-dimethylindan
4912-92-9

1,1-dimethylindan

B

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
reagiert analog wie das Toluol;
With anthracene; potassium at 190 - 245℃;
Isopropylbenzene
98-82-8

Isopropylbenzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With potassium graphite; ethene at 200℃; under 36775.4 Torr;
With ethene; anthracene; sodium at 200 - 225℃; under 22065.2 Torr;
With ethene; anthracene; potassium at 200 - 225℃; under 22065.2 Torr;
With ethene; n-pentylsodium at 140℃; under 22065.2 - 29420.3 Torr;
With ethene; sodium hydride at 250℃; under 29420.3 - 44130.5 Torr;
cumenyl chloride
934-53-2

cumenyl chloride

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With diethyl ether; ethylmagnesium bromide
(1-methyl-cyclobutyl)-cyclohexane
61208-95-5

(1-methyl-cyclobutyl)-cyclohexane

A

2-phenylpentane
2719-52-0

2-phenylpentane

B

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
at 250℃; Leiten ueber Platin-Aluminiumoxyd;
2-Methyl-1-butene
563-46-2

2-Methyl-1-butene

benzene
71-43-2

benzene

A

tery-amylbenzene
2049-95-8

tery-amylbenzene

B

1,4-di-tert-pentyl-benzene
3373-10-2

1,4-di-tert-pentyl-benzene

Conditions
ConditionsYield
With sulfuric acid
With hydrogen fluoride
With sulfuric acid
With hydrogen fluoride
3-Methyl-1-butene
563-45-1

3-Methyl-1-butene

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With boron trifluoride
With aluminium chloride hydrogen chloride
With hydrogen fluoride
With aluminium trichloride
tert-Amyl alcohol
75-85-4

tert-Amyl alcohol

benzene
71-43-2

benzene

A

tery-amylbenzene
2049-95-8

tery-amylbenzene

B

1,4-di-tert-pentyl-benzene
3373-10-2

1,4-di-tert-pentyl-benzene

Conditions
ConditionsYield
With AlCl2
2-methyl-but-2-ene
513-35-9

2-methyl-but-2-ene

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With aluminium chloride hydrogen chloride
With hydrogen fluoride
With aluminium trichloride
With boron trifluoride
2-methyl-but-2-ene
513-35-9

2-methyl-but-2-ene

benzene
71-43-2

benzene

A

tery-amylbenzene
2049-95-8

tery-amylbenzene

B

1,4-di-tert-pentyl-benzene
3373-10-2

1,4-di-tert-pentyl-benzene

Conditions
ConditionsYield
With sulfuric acid
With hydrogen fluoride
With sulfuric acid
With hydrogen fluoride
2-methyl-2-butylchloride
594-36-5

2-methyl-2-butylchloride

benzene
71-43-2

benzene

A

tery-amylbenzene
2049-95-8

tery-amylbenzene

B

1,4-di-tert-pentyl-benzene
3373-10-2

1,4-di-tert-pentyl-benzene

Conditions
ConditionsYield
With hydrogen fluoride at 0℃;
isopentyl ether
544-01-4

isopentyl ether

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With boron trifluoride at 150℃;
isopentyl ether
544-01-4

isopentyl ether

benzene
71-43-2

benzene

A

tery-amylbenzene
2049-95-8

tery-amylbenzene

B

1,4-di-tert-pentyl-benzene
3373-10-2

1,4-di-tert-pentyl-benzene

Conditions
ConditionsYield
With boron trifluoride at 150℃; under 9561.6 Torr;
i-Amyl alcohol
123-51-3

i-Amyl alcohol

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With sulfuric acid at 65℃;
With hydrogenchloride; zinc(II) chloride at 140 - 160℃;
2-bromo-2-methylbutane
507-36-8

2-bromo-2-methylbutane

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With aluminium trichloride
2,2-dimethyl-propanol-1
75-84-3

2,2-dimethyl-propanol-1

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With sulfuric acid at 65℃;
With boron trifluoride at 60℃;
methyl-cyclobutane
598-61-8

methyl-cyclobutane

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With sulfuric acid at 2 - 4℃;
1,4-di-tert-pentyl-benzene
3373-10-2

1,4-di-tert-pentyl-benzene

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With iron(III) chloride
3-chloro-1,1-dimethyl-1-phenylpropane
1459-04-7

3-chloro-1,1-dimethyl-1-phenylpropane

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With magnesium In diethyl ether
Multi-step reaction with 2 steps
1: (i) Mg, Et2O, (ii) aq. H2SO4
2: 1,1-dimethyl-propyl hydroperoxide
View Scheme
4-Methyl-4-phenyl-1-pentanale
120384-23-8

4-Methyl-4-phenyl-1-pentanale

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With tert-amyl hydroperoxide
trimethylaluminum
75-24-1

trimethylaluminum

1-phenyl-propan-1-one
93-55-0

1-phenyl-propan-1-one

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
bis(acetylacetonate)nickel(II) In toluene
methyl iodide
74-88-4

methyl iodide

isopropenylbenzene
98-83-9

isopropenylbenzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With lithium In tetrahydrofuran
1-chloro-2-methylbutane
616-13-7

1-chloro-2-methylbutane

benzene
71-43-2

benzene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With aluminium trichloride; nitromethane at 25℃; for 0.25h;
3-methyl-3-phenylbut-1-ene
18321-36-3

3-methyl-3-phenylbut-1-ene

tery-amylbenzene
2049-95-8

tery-amylbenzene

Conditions
ConditionsYield
With hydrogen; triphenylphosphine; In tetrahydrofuran at 40.8℃; Rate constant; Mechanism; further rhodacarborane catalyst; also in the presence of bases, D2O, radical scavengers; labelled experiments;
2-methyl-3-phenylbutane
4481-30-5

2-methyl-3-phenylbutane

2-Methyl-1-butene
563-46-2

2-Methyl-1-butene

A

2,2-dimethylbutyric acid
595-37-9

2,2-dimethylbutyric acid

B

methylbutane
78-78-4

methylbutane

C

tery-amylbenzene
2049-95-8

tery-amylbenzene

D

benzene
71-43-2

benzene

Conditions
ConditionsYield
With trifluorormethanesulfonic acid; carbon monoxide In tetrachloromethane under 120 Torr; for 3h; Ambient temperature; Further byproducts given. Title compound not separated from byproducts;A 4 % Chromat.
B n/a
C n/a
D n/a
carbon monoxide
201230-82-2

carbon monoxide

2-Methyl-1-butene
563-46-2

2-Methyl-1-butene

benzene
71-43-2

benzene

A

2,2,3-trimethylindan-1-one
10474-35-8

2,2,3-trimethylindan-1-one

B

tery-amylbenzene
2049-95-8

tery-amylbenzene

C

2-methyl-3-phenylbutane
4481-30-5

2-methyl-3-phenylbutane

D

(E)-3,3,6-Trimethyl-oct-5-en-4-one

(E)-3,3,6-Trimethyl-oct-5-en-4-one

E

(E)-3,3,6-Trimethyl-oct-6-en-4-one

(E)-3,3,6-Trimethyl-oct-6-en-4-one

Conditions
ConditionsYield
With trifluorormethanesulfonic acid In tetrachloromethane under 115 Torr; for 3h; Mechanism; Product distribution; Ambient temperature;A 38 % Chromat.
B n/a
C n/a
D n/a
E n/a
2-Methyl-1-butene
563-46-2

2-Methyl-1-butene

benzene
71-43-2

benzene

A

tery-amylbenzene
2049-95-8

tery-amylbenzene

B

2-methyl-3-phenylbutane
4481-30-5

2-methyl-3-phenylbutane

C

(E)-3,3,6-Trimethyl-oct-5-en-4-one

(E)-3,3,6-Trimethyl-oct-5-en-4-one

D

(E)-3,3,6-Trimethyl-oct-6-en-4-one

(E)-3,3,6-Trimethyl-oct-6-en-4-one

Conditions
ConditionsYield
With trifluorormethanesulfonic acid; carbon monoxide In tetrachloromethane under 87400.1 Torr; for 3h; Ambient temperature; Further byproducts given. Title compound not separated from byproducts;
3-methyl-butan-2-one
563-80-4

3-methyl-butan-2-one

benzene
71-43-2

benzene

A

tert-butylbenzene
253185-03-4, 253185-04-5

tert-butylbenzene

B

tery-amylbenzene
2049-95-8

tery-amylbenzene

C

2-methyl-3-phenylbutane
4481-30-5

2-methyl-3-phenylbutane

Conditions
ConditionsYield
With isobutylaluminum dichloride for 24h; Ambient temperature;A 31 % Chromat.
B 1 % Chromat.
C 68 % Chromat.
tery-amylbenzene
2049-95-8

tery-amylbenzene

1-iodo-4-(tertpentyl)benzene
860556-27-0

1-iodo-4-(tertpentyl)benzene

Conditions
ConditionsYield
With sodium periodate; sulfuric acid; iodine; acetic acid In water at 30 - 40℃; for 5h; Temperature; Reagent/catalyst;97%
With sodium periodate; sulfuric acid; iodine In acetic anhydride; acetic acid at 0 - 12℃; for 24.3333h;96%
With iodine; iodic acid
phthalic anhydride
85-44-9

phthalic anhydride

tery-amylbenzene
2049-95-8

tery-amylbenzene

2-(4'-tert-amylbenzoyl)-benzoic acid
64164-99-4

2-(4'-tert-amylbenzoyl)-benzoic acid

Conditions
ConditionsYield
With aluminum (III) chloride In chlorobenzene at 20 - 40℃; for 4h;93.5%
phthalic anhydride
85-44-9

phthalic anhydride

tery-amylbenzene
2049-95-8

tery-amylbenzene

2-(t-amylbenzoyl)benzoic acid

2-(t-amylbenzoyl)benzoic acid

Conditions
ConditionsYield
aluminium trichloride In chlorobenzene70.4%
tery-amylbenzene
2049-95-8

tery-amylbenzene

4-tert-pentyl-bromobenzene
57263-21-5

4-tert-pentyl-bromobenzene

Conditions
ConditionsYield
With bromine; iron for 23h;69%
phthalic anhydride
85-44-9

phthalic anhydride

sulfuric acid
7664-93-9

sulfuric acid

tery-amylbenzene
2049-95-8

tery-amylbenzene

2-(t-amylbenzoyl)benzoic acid

2-(t-amylbenzoyl)benzoic acid

Conditions
ConditionsYield
aluminium trichloride In n-heptane; water; chlorobenzene65%
tery-amylbenzene
2049-95-8

tery-amylbenzene

isobutyraldehyde
78-84-2

isobutyraldehyde

(E)-2-methyl-3-(4-(tert-pentyl)phenyl)acrylaldehyde

(E)-2-methyl-3-(4-(tert-pentyl)phenyl)acrylaldehyde

Conditions
ConditionsYield
With dipotassium peroxodisulfate; palladium diacetate; trifluoroacetic acid; 3-amino propanoic acid at 60℃; for 24h; Sealed tube; stereoselective reaction;61%
formaldehyd
50-00-0

formaldehyd

tery-amylbenzene
2049-95-8

tery-amylbenzene

1-chloromethyl-4-tert-pentylbenzene
28162-11-0

1-chloromethyl-4-tert-pentylbenzene

Conditions
ConditionsYield
With hydrogenchloride; zinc(II) chloride
1,3-dichloro-3-methylbutane
624-96-4

1,3-dichloro-3-methylbutane

tery-amylbenzene
2049-95-8

tery-amylbenzene

1-(3-chloro-1,1-dimethyl-propyl)-4-tert-pentyl-benzene

1-(3-chloro-1,1-dimethyl-propyl)-4-tert-pentyl-benzene

Conditions
ConditionsYield
With aluminium trichloride; nitromethane
tery-amylbenzene
2049-95-8

tery-amylbenzene

sodium methallylsulfonate
1561-92-8

sodium methallylsulfonate

2-methyl-2-(4-tert-pentyl-phenyl)-propane-1-sulfonic acid

2-methyl-2-(4-tert-pentyl-phenyl)-propane-1-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid; boron trifluoride; 1,2-dichloro-ethane
tery-amylbenzene
2049-95-8

tery-amylbenzene

4-t-pentylcyclohexane
31797-64-5

4-t-pentylcyclohexane

Conditions
ConditionsYield
With hydrogen; acetic acid; platinum
tery-amylbenzene
2049-95-8

tery-amylbenzene

1-(1,1-dimethylpropyl)-4-nitrobenzene
6284-98-6

1-(1,1-dimethylpropyl)-4-nitrobenzene

Conditions
ConditionsYield
With nitric acid; acetic anhydride; acetic acid at 30 - 40℃;
With nitric acid; acetic acid
tery-amylbenzene
2049-95-8

tery-amylbenzene

4-(1,1-dimethylpropyl)aniline
2049-92-5

4-(1,1-dimethylpropyl)aniline

Conditions
ConditionsYield
With sulfuric acid; nitric acid Schuetteln des Reaktionsprodukts mit Zinn und wss.-aethanol.Salzsaeure;
Multi-step reaction with 2 steps
1: glacial acetic acid; fuming nitric acid
View Scheme
Multi-step reaction with 2 steps
1: glacial acetic acid; acetic acid anhydride; HNO3 / 30 - 40 °C
2: nickel; ethanol / 100 °C / 58840.6 Torr / Hydrogenation
View Scheme
tery-amylbenzene
2049-95-8

tery-amylbenzene

4-tert-pentyl-benzenesulfonic acid amide
781657-37-2

4-tert-pentyl-benzenesulfonic acid amide

Conditions
ConditionsYield
With chlorosulphuric acid; chloroform Erwaermen des danach isolierten Reaktionsprodukts mit Ammoniumcarbonat;
tery-amylbenzene
2049-95-8

tery-amylbenzene

4-(1,1-dimethylpropyl)benzenesulfonyl chloride
169677-20-7

4-(1,1-dimethylpropyl)benzenesulfonyl chloride

Conditions
ConditionsYield
With tetrachloromethane; chlorosulphuric acid
Multi-step reaction with 2 steps
1: chlorosulfonic acid / chloroform / 1.5 h / Inert atmosphere; Cooling with ice
2: thionyl chloride; N,N-dimethyl-formamide / 2 h / 80 °C
View Scheme
tery-amylbenzene
2049-95-8

tery-amylbenzene

N,N'-(4-tert-pentyl-m-phenylene)-bis-acetamide

N,N'-(4-tert-pentyl-m-phenylene)-bis-acetamide

tery-amylbenzene
2049-95-8

tery-amylbenzene

acetyl chloride
75-36-5

acetyl chloride

1-(4-tert-pentyl-phenyl)-ethanone
67468-81-9

1-(4-tert-pentyl-phenyl)-ethanone

Conditions
ConditionsYield
With carbon disulfide; aluminium trichloride

tert-Amylbenzene Chemical Properties

Structure of tert-Amylbenzene (CAS NO.2049-95-8):

IUPAC Name: 2-methylbutan-2-ylbenzene 
Empirical Formula: C11H16
Molecular Weight: 148.2447 
EINECS: 218-076-0 
Index of Refraction: 1.482
Molar Refractivity: 49.27 cm3
Molar Volume: 172.6 cm3
Polarizability: 19.53×10-24cm3
Surface Tension: 27.4 dyne/cm
Density: 0.858 g/cm3
Flash Point: 59.3 °C
Enthalpy of Vaporization: 40.88 kJ/mol
Boiling Point: 190.1 °C at 760 mmHg
Vapour Pressure: 0.764 mmHg at 25°C 
Synonyms of tert-Amylbenzene (CAS NO.2049-95-8): (1,1-Dimethylpropyl)benzene ; 2-Methyl-2-phenylbutane ; 2-Phenyl-2-methylbutane ; Benzene, (1,1-dimethylpropyl)- ; tert-Pentylbenzene .

tert-Amylbenzene Uses

 tert-Amylbenzene (CAS NO.2049-95-8) is mainly used for high solubility of hydrogen peroxide of the working fluid carrier - tert-amyl anthraquinone's production. It also may be used as solvent.

tert-Amylbenzene Toxicity Data With Reference

1.    

orl-rat LDLo:10 mL/kg

    AMIHAB    AMA Archives of Industrial Health. 19 (1959),403.

tert-Amylbenzene Consensus Reports

Reported in EPA TSCA Inventory.

tert-Amylbenzene Safety Profile

Safety Statements: 23-24/25 
R23 :Toxic by inhalation. 
R23/25:Toxic by inhalation and if swallowed.
RTECS: DA6720000
Mildly toxic by ingestion. When heated to decomposition it yields irritating fumes and smoke.

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