Pellistor and Infrared head predicted shut-down levels


CAS registry number

Pellistor suitable

Infrared suitable

2-Butanone (MEK) 78-93-3 YES YES
Acetaldehyde 75-07-0 YES NO
Acetone 67-64-1 YES NO
Ammonia 7664-41-7 YES NO
Acetylene 74-86-2 YES NO
Aviation fuel * YES NO
Butane 106-97-8 YES YES
Butyl alcohol 71-36-3 YES YES
Cyclohexane 110-82-7 YES YES
Diethylether 60-29-7 YES YES
Dimethylether 115-10-6 YES NO
Dodecane 112-40-3 YES NO
Ethane 74-84-0 YES YES
Ethanol 64-17-5 YES YES
Ethyl acetate 141-78-6 YES YES
Ethylene 74-85-1 YES YES
Heptane 142-82-5 YES NO
Hexane 110-54-3 YES YES
Hydrogen (IIC gas!) 1333-74-0 YES YES
Isobutane 75-28-5 YES NO
iso-octane 540-84-1 YES YES
Isopropanol 67-63-5 YES YES
Kerosene 8008-20-6 YES YES
meta-Xylene 108-38-3 YES YES
Methane 74-82-8 YES NO
Methanol 67-56-1 YES NO
Methyl methacrylate 80-62-6 YES YES
Octamethylcyclotetrasiloxane 556-67-2 YES YES
Octane 111-65-9 YES NO
ortho-Xylene 95-47-6 YES YES
para-Xylene 106-42-3 YES NO
Pentane 109-66-0 YES NO
Propane 74-98-6 YES YES
Propanol 71-23-8 YES YES
Propanal (propion aldehyde) 123-38-6 YES YES
Propyl acetate 109-60-4 YES NO
Styrene 100-42-5 YES YES
Toluene 108-88-3 YES NO
Vinyl acetate 108-05-4 YES NO
Xylene 1330-20-7 YES NO
* The infrared gas sensing head is suitable for all aviation fuels but the LEL and shutdown level will depend upon the blend of hydrocarbons.