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1,3,5-TrimethylbenzeneC9H12

CAS-No.:
108-67-8
UN-No.:
2325
EC-No.:
203-604-4
Hazard identification number:
30
Hazard signs
GHS02
GHS07
GHS09
GHS08

*Source: GESTIS Substance Database, https://gestis-database.dguv.de

Occupational exposure limit
NIOSH (REL) (US)
  • TWA (ppm) 25
  • TWA (mg/m3) 125
  • H: 226
    Flammable liquid and vapour
  • H: 304
    May be fatal if swallowed and enters airways
  • H: 315
    Causes skin irritation
  • H: 319
    Causes serious eye irritation
  • H: 335
    May cause respiratory irritation
  • H: 411
    Toxic to aquatic life with long lasting
    effects

*Source: GESTIS Substance Database, https://gestis-database.dguv.de

  • Melting point:
    -49 °F
  • Boiling Point:
    329 °F
  • Density (at 20 °C, if not notified otherwise):
    0,87 g/cm3
  • Ionization:
    8.40 ± 0.01 eV
  • Flash Point:
    111.2 °F
  • Ignition Temperature:
    1022 °F
  • Vapour Pressure (at 20 °C, if not notified otherwise):
    2,69 (20°C) hPa
  • Lower Explosive Limit:
    0.96 Vol.-%
  • Upper Explosive Limit:
    7.3 Vol.-%
  •  

*Source: GESTIS Substance Database, https://gestis-database.dguv.de

Also known as:
  • 1, 3, 5 - Trimethylbenzol
  • 1,3,5-Trimethyl Benzene
  • C9H12
  • Mesitylene
  • sym-Trimethylbenzene
  • Symmetrical trimethylbenzene

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