2-HexanoneC6H12O

CAS-No.:
591-78-6
UN-No.:
1224
EC-No.:
209-731-1
Hazard identification number:
30
Hazard signs
GHS02
GHS07
GHS08

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

Occupational exposure limit
ACGIH (US)
  • STEL (mg/m3) 40
  • STEL (ppm) 10
  • TWA (mg/m3) 20
  • TWA (ppm) 5
NIOSH (REL) (US)
  • TWA (ppm) 1
  • TWA (mg/m3) 4
NIOSH (US)
  • IDLH (ppm) 1600
OSHA (PEL) (US)
  • TWA (mg/m3) 410
  • TWA (ppm) 100
Occupational Exposure Limits may differ for your Province. Review your local Occupational Health and Safety Act for more information.
  • H: 226
    Flammable liquid and vapour

  • H: 336
    May cause drowsiness or dizziness
  • H: 361 f
    Suspected of damaging fertility.
  • H: 372
    Causes damage to organs (state all organs affected, if known) through prolonged or repeated exposure (state route of exposure if it is conclusively
    proven that no other routes of exposure cause the hazard)

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

  • Melting point:
    -56 °C
  • Boiling Point:
    128 °C
  • Density (at 20 °C, if not notified otherwise):
    0,81 g/cm3
  • Ionization:
    9,35 ± 0,06 eV
  • Flash Point:
    23 °C
  • Ignition Temperature:
    420 °C
  • Vapour Pressure (at 20 °C, if not notified otherwise):
    12,8 hPa
  • Lower Explosive Limit:
    1.2 Vol.-%
  • Upper Explosive Limit:
    9.4 Vol.-%
  • Hazardous Effects:
    R

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

Also known as:
  • 2-Hexanone
  • Butyl methyl ketone
  • hexan-2-one
  • MBK
  • Methyl butyl ketone
  • Methyl n-butyl ketone
  • Methyl-n-butylketone
  • n-Butylmethylketon
  • Propylaceton

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