Product Name

  • Name

    1,3-Diisopropenylbenzene

  • EINECS
  • CAS No. 3748-13-8
  • Article Data8
  • CAS DataBase
  • Density 0.873g/cm3
  • Solubility 5.6mg/L at 25℃
  • Melting Point -40 °C
  • Formula C12H14
  • Boiling Point 231°Cat760mmHg
  • Molecular Weight 158.243
  • Flash Point 91.1°C
  • Transport Information
  • Appearance
  • Safety Low toxicity by ingestion and skin contact. When heated to decomposition it emits acrid smoke and irritating vapors.
  • Risk Codes 36/37/38-50/53
  • Molecular Structure Molecular Structure of 3748-13-8 (1,3-Diisopropenylbenzene)
  • Hazard Symbols
  • Synonyms Benzene,m-diisopropenyl- (6CI,7CI,8CI); 1,3-Bis(1-methylethenyl)benzene;1,3-Diisopropenylbenzene; m-Bis(1-methylvinyl)benzene; m-Diisopropenylbenzene
  • PSA 0.00000
  • LogP 3.75280

Synthetic route

1,3-diacetylbenzene
6781-42-6

1,3-diacetylbenzene

Methyltriphenylphosphonium bromide
1779-49-3

Methyltriphenylphosphonium bromide

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

Conditions
ConditionsYield
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at 0℃; for 1h; Inert atmosphere;
Stage #2: 1,3-diacetylbenzene In tetrahydrofuran at 0 - 20℃; Inert atmosphere;
68%
C18H25ClO4PdS2

C18H25ClO4PdS2

A

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

[Pd(μ-methyl thioglycolate(-1H))2]8

[Pd(μ-methyl thioglycolate(-1H))2]8

Conditions
ConditionsYield
In diethyl ether; [D3]acetonitrile; water at 90℃; for 10h; Inert atmosphere; Schlenk technique;A 6%
B 65%
poly(methacrylic acid 1,3-phenylenebis(1-methylethylidene) ester)

poly(methacrylic acid 1,3-phenylenebis(1-methylethylidene) ester)

A

poly(methacrylic acid) Mw=18000, PDI=3.5

poly(methacrylic acid) Mw=18000, PDI=3.5

B

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

Conditions
ConditionsYield
at 180℃; for 0.166667h; Product distribution; Further Variations:; Temperatures; with or without irradiation;
1,3-bis(1',1'-dimethylhydroxymethyl)benzene
1999-85-5

1,3-bis(1',1'-dimethylhydroxymethyl)benzene

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

Conditions
ConditionsYield
sulfuric acid In 4-methyl-2-pentanone at 90℃; under 760.051 Torr; for 0.666667h; Product distribution / selectivity;
methanol
67-56-1

methanol

carbon monoxide
201230-82-2

carbon monoxide

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

dimethyl 3,3'-(1,3-phenylene)dibutyrate

dimethyl 3,3'-(1,3-phenylene)dibutyrate

Conditions
ConditionsYield
With 1,3-bis(tert-butyl(pyridin-2-yl)phosphanyl)propane; palladium(II) acetylacetonate; toluene-4-sulfonic acid for 20h; Sealed tube; Inert atmosphere; Autoclave;99%
With platinum(II) bis(acetylacetonate); C28H36P2; toluene-4-sulfonic acid at 120℃; under 30402 Torr; for 20h; Sealed tube; Inert atmosphere; Autoclave;86%
carbon monoxide
201230-82-2

carbon monoxide

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

3,3'-(1,3-phenylene)dibutyric acid

3,3'-(1,3-phenylene)dibutyric acid

Conditions
ConditionsYield
With sulfuric acid; α,α′-bis(2-pyridyl(tert-butyl)phosphino)-o-xylene; water; palladium(II) acetylacetonate; acetic acid at 20 - 100℃; under 30003 Torr; for 20h; Inert atmosphere; Autoclave;99%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

2-pyridylmethyl formate
401515-97-7

2-pyridylmethyl formate

3-(3-isopropenyl-phenyl)-butyric acid pyridin-2-ylmethyl ester

3-(3-isopropenyl-phenyl)-butyric acid pyridin-2-ylmethyl ester

Conditions
ConditionsYield
With dodecacarbonyl-triangulo-triruthenium In tetrahydrofuran at 135℃; for 12h;91%
With tetra-(n-butyl)ammonium iodide; dodecacarbonyl-triangulo-triruthenium In tetrahydrofuran at 90℃; for 12h;85%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

1,3-bis(1-azido-2-chloropropan-2-yl)benzene

1,3-bis(1-azido-2-chloropropan-2-yl)benzene

Conditions
ConditionsYield
With chlorine azide In water; toluene at 20℃; for 0.0188889h; Flow reactor;91%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

1,3-diisopropylbenzene
99-62-7

1,3-diisopropylbenzene

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In dichloromethane under 3750.38 Torr; for 19h;88%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

ethenetetracarbonitrile
670-54-2

ethenetetracarbonitrile

1,1,2,2,5,5,6,6-Octacyano-1,1a,2,3,5a,5,6,7-octahydro-4,8-dimethylphenanthrene
134782-06-2

1,1,2,2,5,5,6,6-Octacyano-1,1a,2,3,5a,5,6,7-octahydro-4,8-dimethylphenanthrene

Conditions
ConditionsYield
In acetonitrile at 28℃; for 1h;87%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

benzyl 2-triethylsilyl-2-oxoacetate
443988-54-3

benzyl 2-triethylsilyl-2-oxoacetate

benzyl 2-hydroxy-4-(3-(prop-1-en-2-yl)phenyl)-2-(triethylsilyl)-pent-4-enoate

benzyl 2-hydroxy-4-(3-(prop-1-en-2-yl)phenyl)-2-(triethylsilyl)-pent-4-enoate

Conditions
ConditionsYield
With zinc(II) chloride In dichloromethane; water at 20℃; for 17h; Schlenk technique;82%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

malononitrile
109-77-3

malononitrile

2-methyl-2-(3-(prop-1-en-2-yl)phenyl)cyclopropane-1,1-dicarbonitrile
1551163-36-0

2-methyl-2-(3-(prop-1-en-2-yl)phenyl)cyclopropane-1,1-dicarbonitrile

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene; potassium carbonate In 1,2-dichloro-ethane at 50℃; for 1h;81%
2,2'-azobis(isobutyronitrile)
78-67-1

2,2'-azobis(isobutyronitrile)

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

2,2-dimethyl-4-(3-(prop-1-en-2-yl)phenyl)pent-4-enenitrile

2,2-dimethyl-4-(3-(prop-1-en-2-yl)phenyl)pent-4-enenitrile

Conditions
ConditionsYield
With iodine In dimethyl sulfoxide at 80℃; for 6h; Sealed tube; Inert atmosphere;81%
p-cresol
106-44-5

p-cresol

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

aluminium hydride
7784-21-6

aluminium hydride

1,3-Di[2-(2-hydroxy-5-methylphenyl)-2-propyl]-benzene

1,3-Di[2-(2-hydroxy-5-methylphenyl)-2-propyl]-benzene

Conditions
ConditionsYield
In n-heptane; acetone80%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

N,N-dimethyl-aniline
121-69-7

N,N-dimethyl-aniline

C20H25N

C20H25N

Conditions
ConditionsYield
With C31H51N2ScSi2; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In toluene at 120℃; for 43h; Inert atmosphere; regioselective reaction;78%
methanol
67-56-1

methanol

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

A

1-(3-(1,1-dimethoxyethyl)phenyl)ethanone
1219696-78-2

1-(3-(1,1-dimethoxyethyl)phenyl)ethanone

B

1,3-diacetylbenzene
6781-42-6

1,3-diacetylbenzene

C

1-(3-(prop-1-en-2-yl)phenyl)ethanone
87771-42-4

1-(3-(prop-1-en-2-yl)phenyl)ethanone

Conditions
ConditionsYield
With ozone at 20℃; for 3.26667h;A 5%
B 75%
C 2%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

N,N-dimethyl-aniline
121-69-7

N,N-dimethyl-aniline

C28H36N2

C28H36N2

Conditions
ConditionsYield
With C31H51N2ScSi2; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In toluene at 120℃; for 38h; Inert atmosphere; regioselective reaction;73%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

benzyl 2-trimethylsilyl-2-oxoacetate
443988-53-2

benzyl 2-trimethylsilyl-2-oxoacetate

dibenzyl 4,4′-(1,3-phenylene)bis(2-hydroxy-2-(trimethylsilyl)-pent-4-enoate)

dibenzyl 4,4′-(1,3-phenylene)bis(2-hydroxy-2-(trimethylsilyl)-pent-4-enoate)

Conditions
ConditionsYield
With zinc(II) chloride In dichloromethane; water at 20℃; for 2h; Schlenk technique;72%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

2-(3-isopropenylphenyl)propan-1-ol
457928-66-4

2-(3-isopropenylphenyl)propan-1-ol

Conditions
ConditionsYield
Stage #1: 1,3-bis(1-methylethenyl)-benzene With dimethylsulfide borane complex In tetrahydrofuran at 0 - 20℃;
Stage #2: With sodium hydroxide; dihydrogen peroxide In tetrahydrofuran
55%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

N-(4-Methoxy-phenyl)-4-methyl-benzenesulfonamide
1150-26-1

N-(4-Methoxy-phenyl)-4-methyl-benzenesulfonamide

C26H27NO3S

C26H27NO3S

Conditions
ConditionsYield
With [n-Bu4N][BF4]; acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,2-dichloro-ethane; acetonitrile at 20℃; for 2h; Electrolysis; Inert atmosphere; Electrochemical reaction; regioselective reaction;53%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

2-oxopyrrolidine-1-carboxamide
40451-67-0

2-oxopyrrolidine-1-carboxamide

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetonitrile at 65℃; for 6h; Product distribution / selectivity;51%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

phenylacetylene
536-74-3

phenylacetylene

1,3-bis(1-methyl-3-phenylcyclobut-2-en-1-yl)benzene
1235454-13-3

1,3-bis(1-methyl-3-phenylcyclobut-2-en-1-yl)benzene

Conditions
ConditionsYield
With (acetonitrile)[2-di-tert-butyl(2′,4′,4′,6'-triisopropylbiphenyl)phosphine]gold(I) hexafluoroantimonate In dichloromethane at 20℃; for 20h; Inert atmosphere; regioselective reaction;48%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

A

1-(3-chloroprop-1-en-2-yl)-3-(prop-1-en-2-yl)benzene

1-(3-chloroprop-1-en-2-yl)-3-(prop-1-en-2-yl)benzene

B

1,3-bis(3-chloroprop-1-en-2-yl)benzene

1,3-bis(3-chloroprop-1-en-2-yl)benzene

Conditions
ConditionsYield
With N-chloro-succinimide; chloro-trimethyl-silane; ytterbium(III) triflate In tetrahydrofuran; dichloromethane at 20℃; for 3h; Inert atmosphere;A 47%
B 20%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

α-methoxycarbonylmaleic anhydride
69327-00-0

α-methoxycarbonylmaleic anhydride

1,5-Dicarbomethoxy-1,1a,2,3,5a,5,6,7-octahydro-4,8-dimethylphenanthrene-1,2,5,6-tetracarboxylic Acid Dianhydride
134782-08-4

1,5-Dicarbomethoxy-1,1a,2,3,5a,5,6,7-octahydro-4,8-dimethylphenanthrene-1,2,5,6-tetracarboxylic Acid Dianhydride

Conditions
ConditionsYield
In acetonitrile at 28℃; other condition: ether as solvent; Further byproducts given;45%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

1-(3-(prop-1-en-2-yl)phenyl)ethanone
87771-42-4

1-(3-(prop-1-en-2-yl)phenyl)ethanone

Conditions
ConditionsYield
Stage #1: 1,3-bis(1-methylethenyl)-benzene With ozone In methanol; dichloromethane at -78℃;
Stage #2: With triphenylphosphine
45%
With dihydrogen peroxide; [Co4(SO4)3(F)3(2,4,6-tris-(4-pyridyl)-1,3,5-triazine)2(tatb)] In ethanethiol at 60℃;95 %Spectr.
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

1,3-di(isothiazol-4-yl)benzene

1,3-di(isothiazol-4-yl)benzene

Conditions
ConditionsYield
With ammonium iodide; potassium ethyl xanthogenate In water; dimethyl sulfoxide at 130℃; for 24h; Schlenk technique;41%
maleic anhydride
108-31-6

maleic anhydride

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

1,1a,2,3,5a,5,6,7-Octahydro-4,8-dimethylphenanthrene-1,2,5,6-tetracarboxylic Acid Dianhydride
13592-50-2

1,1a,2,3,5a,5,6,7-Octahydro-4,8-dimethylphenanthrene-1,2,5,6-tetracarboxylic Acid Dianhydride

Conditions
ConditionsYield
In acetonitrile for 18h; Heating;40%
dodecacarbonyl-triangulo-triruthenium
15243-33-1

dodecacarbonyl-triangulo-triruthenium

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

A

Ru3(CO)7(μ3-η(2):η(2):η(2)-C6H4-(η(2)-CCH3CH2)2-1,3)
169829-99-6

Ru3(CO)7(μ3-η(2):η(2):η(2)-C6H4-(η(2)-CCH3CH2)2-1,3)

B

Ru4(CO)9(μ3-η(2):η(2):η(2)-C6H4-(η(2)-CCH3CH2)2-1,3)

Ru4(CO)9(μ3-η(2):η(2):η(2)-C6H4-(η(2)-CCH3CH2)2-1,3)

Conditions
ConditionsYield
In octane refluxing (1.5 h); filtering, evapn. (reduced pressure), chromy. (CH2Cl2 / hexane = 1 : 4),extg. (CH2Cl2);A 32%
B 27%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

dithiobenzoic acid sodium salt
3682-36-8

dithiobenzoic acid sodium salt

C26H26S4
257955-88-7

C26H26S4

Conditions
ConditionsYield
With hydrogenchloride In n-heptane; water for 16h;27%
dodecacarbonyl-triangulo-triruthenium
15243-33-1

dodecacarbonyl-triangulo-triruthenium

1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

Ru4(CO)9C6H4[C(CH3)CH2]2
169830-00-6, 164663-47-2

Ru4(CO)9C6H4[C(CH3)CH2]2

Conditions
ConditionsYield
In octane thermolysis for 1.5 h; evapn., TLC;27%
1,3-bis(1-methylethenyl)-benzene
3748-13-8

1,3-bis(1-methylethenyl)-benzene

poly(1,3-diisopropenylbenzene peroxide); Monomer(s): 1,3-diisopropenylbenzene

poly(1,3-diisopropenylbenzene peroxide); Monomer(s): 1,3-diisopropenylbenzene

Conditions
ConditionsYield
With 2,2'-azobis(isobutyronitrile); oxygen In benzene at 55℃; under 5171.48 Torr; for 24h;26%

1,3-Diisopropenylbenzene Chemical Properties

IUPAC Name: 1,3-Bis(prop-1-en-2-yl)benzene
The MF of 1,3-Diisopropenylbenzene (CAS NO.3748-13-8) is C12H14.

                             
The MW of 1,3-Diisopropenylbenzene (CAS NO.3748-13-8) is 158.24.
Synonyms of 1,3-Diisopropenylbenzene (CAS NO.3748-13-8): 1,3-Bis(1-methylethenyl)benzene ; Benzene, 1,3-bis(1-methylethenyl)- ; Benzene, m-diisopropenyl-  
Product Categories: Fluorenes, etc. (reagent for high-performance polymer research);Functional Materials;Reagent for High-Performance Polymer Research
Index of Refraction: 1.515  
EINECS: 223-146-9
Density: 0.873 g/ml 
Flash Point: 91.1 °C
Boiling Point: 231 °C

1,3-Diisopropenylbenzene Uses

 1,3-Diisopropenylbenzene (CAS NO.3748-13-8) is used as chemical reagent, organic intermediates, fine chemicals, pharmaceutical research and development.

1,3-Diisopropenylbenzene Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin > 2gm/kg (2000mg/kg)   Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 44, 1990.
rat LD50 oral > 5gm/kg (5000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 44, 1990.

1,3-Diisopropenylbenzene Consensus Reports

Reported in EPA TSCA Inventory.

1,3-Diisopropenylbenzene Safety Profile

Low toxicity by ingestion and skin contact. When heated to decomposition it emits acrid smoke and irritating vapors.Safety information of 1,3-Diisopropenylbenzene (CAS NO.3748-13-8):
Hazard Codes  IrritantXi,DangerousN
Risk Statements 
36/37/38 Irritating to eyes, respiratory system and skin
50/53 Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements 
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
61 Avoid release to the environment. Refer to special instructions safety data sheet
60 This material and/or its container must be disposed of as hazardous waste
RIDADR  UN 3082 9/PG 3
WGK Germany  2
RTECS  CY8535000

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