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Hazard identification number:23
Warning sign
  • 23
  • 1030
Hazard signs
Occupational exposure limit
  • TWA (ppm) 1000
  • H: 220
    Extremely flammable gas
  • H: 280
    Contains gas under pressure; may explode if heated
Melting point:-117 °C
Boiling Point:-25 °C
Density (at 20 °C, if not notified otherwise):0,0030411 (0°C) g/cm3
Ionization:11.865 ± 0.030 eV
Ignition Temperature:455 °C
Vapour Pressure (at 20 °C, if not notified otherwise):5100 (20°C) hPa
Lower Explosive Limit:4 Vol.-%
Upper Explosive Limit:18,5 Vol.-%
diamond40 1


Diamond-Red4Flammability: Easily flammable 
Diamond-Yellow0Instability: No danger for normal conditions 
Diamond-Blue1Health: Low risk. Filter recommended 
Also known as:
  • 1,1-difluoroethane
  • Algofrene Type 67
  • C2H4F2
  • Dymel 152
  • Dymel(R)
  • Ethylidendifluorid
  • Ethylidene difluoride
  • Ethylidene fluoride
  • Ethylidenfluorid
  • FC 152a
  • Formacel(R)
  • Freon 152a
  • Genetron 152a
  • Halocarbon 152A
  • HFC-152a
  • Propellant 152a
  • R 152a
  • Zyron(R)

Suitable products for 1,1-Difluoroethane C2H4F2

Whether portable gas detectors, gas detection tubes or personal protective equipment - Dräger offers a comprehensive portfolio to protect you when handling hazardous substances.

Gas Detection Tubes

Sampling Tubes

Dräger Sampling Tubes and Systems

  • Sampling Tubes
  • ​analysis of the sample in a laboratory
  • measurement of complex compounds and mixtures of substances possible 
  • detection of low concentrations possible 

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