Prehnitene

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Prehnitene
Names
Preferred IUPAC name
1,2,3,4-Tetramethylbenzene
Other names
Prehnitene
Identifiers
3D model (
JSmol
)
1904390
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard
 100.006.976 Edit this at Wikidata
EC Number
  • 207-673-1
101866
UNII
  • InChI=1S/C10H14/c1-7-5-6-8(2)10(4)9(7)3/h5-6H,1-4H3
    Key: UOHMMEJUHBCKEE-UHFFFAOYSA-N
  • CC1=C(C(=C(C=C1)C)C)C
Properties
C10H14
Molar mass 134.22
Appearance colorless liquid
Density 0.90 g/cm3
Melting point −6.2 °C (20.8 °F; 266.9 K)
Boiling point 205 °C (401 °F; 478 K)
33.9 mg/l
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Flammable
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Flash point 68.3 °C (154.9 °F; 341.4 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Prehnitene or 1,2,3,4-tetramethylbenzene is an

tetramethylbenzene, the other two being isodurene (1,2,3,5-tetramethylbenzene) and durene (1,2,4,5-tetramethylbenzene).[1] It is a relatively easily oxidized benzene derivative, with E1/2 of 2.0 V vs NHE.[2]

Production

Industrially, prehnitene can be isolated from the

pseudocumene.[1]

References

  1. ^
    ISBN 978-3527306732
    .
  2. doi:10.1021/ja00326a014
    .
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