TH-dimer

TH-dimer
Names
	Other names Tetrahydromethylcyclopentadiene dimer; Tetrahydrodimethyldicyclopentadiene; THDMDCP; RJ-4; RJ4
Identifiers
CAS Number	30496-78-7 ;
3D model (JSmol)	Interactive image;
ChemSpider	108605;
EC Number	250-218-7;
PubChem CID	121721;
	InChI InChI=1S/C12H20/c1-7-8(2)12-6-11(7)9-4-3-5-10(9)12/h7-12H,3-6H2,1-2H3 Key: XGTOHMPHWPGRTK-UHFFFAOYSA-N;
	SMILES CC1C(C2CC1C3C2CCC3)C;
Properties
Chemical formula	C12H20
Molar mass	164.292 g·mol−1
Density	0.915 g/cm3
Hazards
Flash point	60 °C (140 °F; 333 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	(what is ?)
	Infobox references

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 .

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[]

^ Naval Submarine Base New London
^ Modern US Military Turbine Missile Fuel Specifications
^ 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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[1] Naval Submarine Base New London

[2] Modern US Military Turbine Missile Fuel Specifications

[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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