Formic acidCH2O2

CAS-No.:
64-18-6
UN-No.:
1779
EC-No.:
200-579-1
Hazard identification number:
83
Hazard signs
GHS02
GHS05
GHS06

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

Occupational exposure limit
Workplace exposure limits (UK)
  • TWA (ppm) 5
  • TWA (mg/m3) 9.6
  • H: 226
    Flammable liquid and vapour
  • H: 302
    Harmful if swallowed
  • H: 314
    Causes severe skin burns
    and eye damage.
  • H: 331
    Toxic if inhaled

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

  • Melting point:
    8 °C
  • Boiling Point:
    101 °C
  • Density (at 20 °C, if not notified otherwise):
    1,22 g/cm3
  • Ionization:
    11.33 ± 0.01 eV
  • Flash Point:
    45 °C
  • Ignition Temperature:
    520 °C
  • Vapour Pressure (at 20 °C, if not notified otherwise):
    44,6 hPa
  • Lower Explosive Limit:
    10 Vol.-%
  • Upper Explosive Limit:
    45.5 Vol.-%
  • Hazardous Effects:
    ED

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

Also known as:
  • Carbonous acid
  • Hydrogen carboxylic acid
  • Methanoic acid
  • Oxocarbinic acid

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