二氯一氟甲烷CHCl2F

CAS-No.:
75-43-4
UN-No.:
1029
EINECS No.:
200-869-8
Kemler Code:
20
Hazard signs
GHS04
GHS07

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

Occupational exposure limit
WORKPLACE EXPOSURE STANDARDS FOR AIRBORNE CONTAMINANTS (AU)
  • TWA (ppm) 10
  • TWA (mg/m3) 42
  • H: 280
    Contains gas under pressure; may explode if heated
  • H: 420
    Harms public health and the environment by destroying ozone in the upper atmosphere

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

  • Melting point:
    -135 °C
  • Boiling Point:
    8.9 °C
  • Density (at 20 °C):
    rel. 3,65 g/cm3
  • Ionization:
    11.75 ± 0.02 eV
  • Vapor Pressure (at 20 °C):
    1531 hPa
  •  

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

Also known as:
  • dichloro(fluoro)methane
  • Dichlorofluoromethane
  • Dichloromonofluoromethane
  • F 21
  • Fluordichlormethan
  • Fluorodichloromethane
  • R 21
  • Refrigerant 21

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