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| CAS No.: | 3748-13-8 |
|---|---|
| Name: | 1,3-Diisopropenylbenzene |
| Article Data: | 8 |
| Molecular Structure: | |
|
|
|
| Formula: | C12H14 |
| Molecular Weight: | 158.243 |
| Synonyms: | Benzene,m-diisopropenyl- (6CI,7CI,8CI); 1,3-Bis(1-methylethenyl)benzene;1,3-Diisopropenylbenzene; m-Bis(1-methylvinyl)benzene; m-Diisopropenylbenzene |
| Density: | 0.873g/cm3 |
| Melting Point: | -40 °C |
| Boiling Point: | 231°Cat760mmHg |
| Flash Point: | 91.1°C |
| Solubility: | 5.6mg/L at 25℃ |
| Hazard Symbols: |
 
|
| Risk Codes: | 36/37/38-50/53 |
| Safety: | Low toxicity by ingestion and skin contact. When heated to decomposition it emits acrid smoke and irritating vapors. |
| PSA: | 0.00000 |
| LogP: | 3.75280 |
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1,3-diacetylbenzene
- 1779-49-3
Methyltriphenylphosphonium bromide
- 3748-13-8
1,3-bis(1-methylethenyl)-benzene
| Conditions | Yield |
|---|---|
| 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% |
| Conditions | Yield |
|---|---|
| In diethyl ether; [D3]acetonitrile; water at 90℃; for 10h; Inert atmosphere; Schlenk technique; | A 6% B 65% |
B
- 3748-13-8
1,3-bis(1-methylethenyl)-benzene
| Conditions | Yield |
|---|---|
| at 180℃; for 0.166667h; Product distribution; Further Variations:; Temperatures; with or without irradiation; |
| Conditions | Yield |
|---|---|
| sulfuric acid In 4-methyl-2-pentanone at 90℃; under 760.051 Torr; for 0.666667h; Product distribution / selectivity; |
| Conditions | Yield |
|---|---|
| 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% |
- 201230-82-2
carbon monoxide
- 3748-13-8
1,3-bis(1-methylethenyl)-benzene
| Conditions | Yield |
|---|---|
| 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% |
- 3748-13-8
1,3-bis(1-methylethenyl)-benzene
- 401515-97-7
2-pyridylmethyl formate
| Conditions | Yield |
|---|---|
| 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% |
- 3748-13-8
1,3-bis(1-methylethenyl)-benzene
| Conditions | Yield |
|---|---|
| With chlorine azide In water; toluene at 20℃; for 0.0188889h; Flow reactor; | 91% |
| Conditions | Yield |
|---|---|
| With palladium 10% on activated carbon; hydrogen In dichloromethane under 3750.38 Torr; for 19h; | 88% |
- 3748-13-8
1,3-bis(1-methylethenyl)-benzene
- 670-54-2
ethenetetracarbonitrile
- 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 | Yield |
|---|---|
| In acetonitrile at 28℃; for 1h; | 87% |
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Chemistry
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
Uses
1,3-Diisopropenylbenzene (CAS NO.3748-13-8) is used as chemical reagent, organic intermediates, fine chemicals, pharmaceutical research and development.
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. |
Consensus Reports
Reported in EPA TSCA Inventory.
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 
Xi,
N
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