TH-dimer

TH-dimer

TH-dimer

Chemical compound

TH-dimer, also called tetrahydromethylcyclopentadiene dimer[1] or RJ-4, is a liquid rocket propellant used in missiles and jet engines. For example, TH-dimer is used in the turbofan engine of the Tomahawk cruise missile. It is also a component of the jet fuel JP-9.

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The fuel is non-volatile, so it is safe to use on ships or submarines. It has a high flash point minimum of 60°C.[2]

Chemically, TH-dimer is a mixture of isomeric saturated hydrocarbons derived from hydrogenation of the dimer of methylcyclopentadiene.[3]

References

  1. [1]
    Naval Submarine Base New London
  2. [2]
    "Modern US Military Turbine Missile Fuel Specifications". Archived from the original on 2012-02-05. Retrieved 2006-09-12.
  3. [3]
    US 4177217, Janoski, Edward J.; Mitchell, Richard E.; Schneider, Abraham, "Continuous conversion of dimethyldicyclopentadiene to endo-dimethyldicyclopentadiene, a missile fuel", issued 1979


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