Hazard identification number:33
Warning sign
  • 33
  • 2398
Hazard signs
Occupational exposure limit
  • HTP-15 min (mg/m3) 360
  • HTP-8 h (mg/m3) 180
  • HTP-15 min (ppm) 100
  • HTP-8 h (ppm) 50
  • H: 225
    Highly flammable liquid and vapour
  • H: 315
    Causes skin irritation
Melting point:-109 °C
Boiling Point:55 °C
Density (at 20 °C, if not notified otherwise):0,74 g/cm3
Ionization:9,24 eV
Flash Point:-28 °C
Ignition Temperature:435 °C
Vapour Pressure (at 20 °C, if not notified otherwise):270 hPa
Lower Explosive Limit:1,6 Vol.-%
Upper Explosive Limit:8,4 Vol.-%
Hazardous Effects:ED
Important to know:
Substance included in the Community Rolling Action Plan (CoRAP).
diamond30 1


Diamond-Red3Flammability: Flammable with normal temperature 
Diamond-Yellow0Instability: No danger for normal conditions 
Diamond-Blue1Health: Low risk. Filter recommended 
Also known as:
  • C5H12O
  • Methyl-tert-butylether
  • MTBE
  • tert-Butylmethylether

Suitable products for tert-Butyylimetyylieetteri C5H12O

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


Dräger X-plore® Rd40


Single-filter full-face mask

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Protective Suits

Dräger CPS 6900

Gas-tight suit

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Gas-tight suit

Dräger WorkMaster Industry

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Splash Suit

Dräger SPC 3700 with CVA 0700

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  • ​Ventilated splash-protective suits
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