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Chlorine dioxideClO2

CAS-No.:
10049-04-4
EC-No.:
233-162-8
Hazard signs
GHS03
GHS04
GHS05
GHS06
GHS09

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

Occupational exposure limit
ACGIH (US)
  • STEL (ppm) C 0,1
  • STEL (mg/m3) C 0,28
NIOSH (REL) (US)
  • TWA (ppm) 0,1
  • TWA (mg/m3) 0,3
  • STEL (ppm) 0,3
  • STEL (mg/m3) 0,9
NIOSH (US)
  • IDLH (ppm) 5
OSHA (PEL) (US)
  • TWA (ppm) 0,1
  • TWA (mg/m3) 0,3
  • H: 270
    May cause or intensify fire; oxidiser
  • H: 314
    Causes severe skin burns
    and eye damage.
  • H: 330
    Fatal if inhaled
  • H: 400
    Very toxic to aquatic life

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

  • Melting point:
    -74.2 °F
  • Boiling Point:
    51.8 °F
  • Density (at 20 °C, if not notified otherwise):
    0,00301 (0°C) g/cm3
  • Ionization:
    10.33 ± 0.02 eV
  • Vapour Pressure (at 20 °C, if not notified otherwise):
    1420 hPa
  • Lower Explosive Limit:
    10 Vol.-%

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

Also known as:
  • Chlorine dioxide
  • chlorine dioxide aqueous solution
  • Chlorine dioxide solution
  • Chlorine dioxide water solution
  • Chlorine oxide
  • Chlorine peroxide
  • chlorous acid

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