[en] | Isobutylbenzene

Isobutylbenzene is a chemical compound with the molecular formula C10H14.[2] It is used in chemical synthesis as a fuel and in pharmaceuticals. For instance, it is used to make pain killers like ibuprofen.

Isobutylbenzene
Names
Preferred IUPAC name

(2-Methylpropyl)benzene
Other names

Isobutylbenzene
Identifiers
3D model (JSmol)
1852218
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard100.007.916 Edit this at Wikidata
EC Number
  • 208-706-2
261101
UNII
UN number2709
  • InChI=1S/C10H14/c1-9(2)8-10-6-4-3-5-7-10/h3-7,9H,8H2,1-2H3 checkY
    Key: KXUHSQYYJYAXGZ-UHFFFAOYSA-N checkY
  • InChI=1S/C10H14/c1-9(2)8-10-6-4-3-5-7-10/h3-7,9H,8H2,1-2H3
  • CC(C)CC1=CC=CC=C1
Properties[1]
C10H14
Molar mass134.222 g·mol−1
AppearanceColorless liquid
OdorAromatic
Density0.853 g/cm3, liquid
Melting point−51 °C (−60 °F; 222 K)
Boiling point170 °C (338 °F; 443 K)
Vapor pressure4.2 mmHg (37.7 °C)
1.486
Hazards[1]
GHS labelling:
Danger
H226, H304, H315, H319, H335, H336
P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P301+P310, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P331, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamond

Health (blue): no hazard codeFlammability 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g. diesel fuelInstability (yellow): no hazard codeSpecial hazards (white): no code
2
Safety data sheet (SDS)ICSC 0113
Related compounds
Related compounds
n-Butylbenzene, sec-Butylbenzene, tert-Butylbenzene, Cumene
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Isobutylbenzene is a colorless flammable liquid that is a respiratory irritant.

Industrial production is through catalytic carbometalation: toluene adds to propene in the presence of a sodium-potassium catalyst on activated carbon.[3]

References

  1. ^ a b Isobutylbenzene, International Chemical Safety Card 0113, Geneva: International Programme on Chemical Safety, April 2005.
  2. ^ “Isobutylbenzene | C10H14 | ChemSpider”. www.chemspider.com. Retrieved 2018-12-01.
  3. ^ U.S. Patent #2995610, “Isobutylbenzene Preparation”. Assigned August 8, 1961 to Standard Oil Co.

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Source: en.wikipedia.org