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Dinitromethane

Dinitromethane is an organic compound with the chemical formula CH2(NO2)2. Purified dinitromethane is a colorless liquid with a weak pleasant odor. It is relatively stable at room temperature and can be safely stored for months at 0 °C.

Synthesis

The potassium salt of dinitromethanide, KCH(NO2)2, was first prepared by Villiers in 1884 by reduction of bromodinitromethane. Hydrogen fluoride and the potassium salt of dinitromethane react in diethyl ether to form dinitromethane.

Dinitromethane should not be confused with methylene dinitrate (CH2(ONO2)2), which is produced as a byproduct in the production of the explosive RDX.

Safety

The transportation of dinitromethane is forbidden by the U.S. Department of Transportation.

References

References

  1. "NIST Chemistry WebBook, NIST Standard Reference Database Number 69". NIST.
  2. (1965). "Preparation of pure dinitromethane and its physical properties". Russian Chemical Bulletin.
  3. Villiers, R.. (1884). "Sur le bromure d'èthylène tétranitré". Bulletin de la Société Chimique de France.
  4. Duden, P.. (1893). "Ueber das Dinitromethan". Berichte der Deutschen Chemischen Gesellschaft.
  5. Luo, K.-M., Lin, S.-H., Chang, J.-G., Huang, T.-H.. (2002). "Evaluations of kinetic parameters and critical runaway conditions in the reaction system of hexamine-nitric acid to produce RDX in a non-isothermal batch reactor". Journal of Loss Prevention in the Process Industries.
  6. "DOT Hazardous Materials".
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