Hazard identification number:239
Warning sign
  • 239
  • 1001
Hazard signs
  • H: 220
    Extremely flammable gas
  • H: 230
  • H: 280
    Contains gas under pressure; may explode if heated
Melting point:-80.8 °C
Density (at 20 °C, if not notified otherwise):0,0011772 (0°C) g/cm3
Ionization:11.400 ± 0.002 eV
Ignition Temperature:305 °C
Vapour Pressure (at 20 °C, if not notified otherwise):43360 hPa
Lower Explosive Limit:2,3 Vol.-%
Upper Explosive Limit:100 Vol.-%
diamond43 0


Diamond-Red4Flammability: Easily flammable 
Diamond-Yellow3Instability: Explosion risk when heated 
Diamond-Blue0Health: No risk 
Also known as:
  • Ethine
  • Ethyne
  • Narcylen

Suitable products for Acetylene C2H2

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

Short-term Tubes

Dräger Short-term Tubes

  • Short-term Tubes
  • ​results are directly shown at the end of the measurement process
  • spot measurement for more than 500 different gases 
  • short measurement time: between 5 seconds to 15 ...
Manual tube pump

Dräger accuro

  • Manual tube pump
  • for spot measurements with a limited number of strokes
  • integrated stroke counter for safe control
  • easy to operate with one hand
  • can be used in explosive areas 

Automatic tube pump

Dräger X-act® 5000 Basic

  • Automatic tube pump
  • ideal for a high number of strokes
  • display for clear readability of results
  • can be used in explosive areas

Get in touch with Dräger

If you need further advice for the product selection or if you have not yet found what you want, get in touch with us, we'll find a solution for you.

Discover more: Dräger VOICE - The hazmat-based safety product finder

You know what - We know how! Our database provides you with basic information on more than 1,500 hazardous substances and guides you, according to a substance, to suitable gas detectors and protection equipment. Give it a try!

VOICE Hazmat