Product Name

  • Name

    1,2-diisopropylbenzene

  • EINECS
  • CAS No. 577-55-9
  • Article Data40
  • CAS DataBase
  • Density 0.8701
  • Solubility
  • Melting Point -57°C
  • Formula C12H18
  • Boiling Point 204°C
  • Molecular Weight 162.275
  • Flash Point
  • Transport Information
  • Appearance
  • Safety Mildly toxic by ingestion. Combustible when exposed to heat or flame; can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical, water spray or mist. When heated to decomposition it emits acrid smoke and irritating fumes. See also CUMENE.
  • Risk Codes
  • Molecular Structure Molecular Structure of 577-55-9 (1,2-diisopropylbenzene)
  • Hazard Symbols
  • Synonyms 1,2-BIS(1-METHYLETHYL)BENZENE;Benzene, 1,2-bis(1-methylethyl)-;O-DIISOPROPYLBENZENE;1,2-DI-ISO-PROPYLBENZENE;DIISOPROPYLBENZENE;
  • PSA 0.00000
  • LogP 3.93340

O-Diisopropylbenzene Chemical Properties

IUPAC Name: 1,2-Di(propan-2-yl)benzene
Synonyms of O-Diisopropylbenzene (CAS NO.577-55-9) : 1,2-Diisopropylbenzene ; Benzene, 1,2-bis(1-methylethyl)- ; Benzene, bis(1-methylethyl)- ; Diisopropylbenzene 
InChI:InChI=1/C12H18/c1-9(2)11-7-5-6-8-12(11)10(3)4/h5-10H,1-4H3    
CAS NO:577-55-9   
Molecular Formula:C12H18                    
Molecular Weight :162.2713                             
Molecular Structure :
Index of Refraction:1.488      
Surface Tension: 28.3 dyne/cm 
Density: 0.855 g/cm3 
Flash Point: 69 °C
Enthalpy of Vaporization: 42.22 kJ/mol 
Boiling Point: 204 °C at 760 mmHg 
Vapour Pressure: 0.385 mmHg at 25°C 

O-Diisopropylbenzene Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LDLo oral 5gm/kg (5000mg/kg)   "Toxicology and Biochemistry of Aromatic Hydrocarbons," Gerarde, H., New York, Elsevier, 1960Vol. -, Pg. 57, 1960.

O-Diisopropylbenzene Consensus Reports

Reported in EPA TSCA Inventory.

O-Diisopropylbenzene Safety Profile

 O-Diisopropylbenzene (CAS NO.577-55-9) is mildly toxic by ingestion. Combustible when exposed to heat or flame; can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical, water spray or mist. When O-Diisopropylbenzene (CAS NO.577-55-9) is heated to decomposition, it emits acrid smoke and irritating fumes. See also CUMENE.

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