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Flammability aspects

Demeon® D or Dimethyl ether is an extremely flammable liquified has, the vapour is heavier than air. DME forms with air (oxygen) explosive mixtures.

Relative Gas Density (air = 1)	1.59
Gas–Liquid Volume Ratio	326
Stoichiometric Concentration	6.53 vol%
Auto Ignition Temperature	350 °C
Minimum Ignition Energy	0.29 mJ
Upper explosion limit	18.6 vol%
Lower Explosion Limit	3.2 vol%
Maximum Laminar Burning Velocity	0.54 m/sec