Thermal decomposition of methyl nitrite in shock waves studied by laser probing

D. S.Y. Hsu*, G. L. Burks, M. D. Beebe, Ming-Chang Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


The unimolecular decomposition of methyl nitrite in the temperature range 680–955 K and pressure range 0.64 to 2.0 atm has been studied in shock‐tube experiments employing real‐time absorption of CW CO laser radiation by the NO product. Computer kinetic modeling using a set of 23 reactions shows that NO product is relatively unreactive. Its initial rate of production can be used to yield directly the unimolecular rate constant, which in the fall‐off region, can be represented by the second‐order rate coefficient in the Arrhenius form: (Formula Presented.) A RRKM model calculation, assuming a loose CH3ONO complex with two degrees of free internal rotation, gives good agreement with the experimental rate constants.

Original languageEnglish
Pages (from-to)1139-1150
Number of pages12
JournalInternational Journal of Chemical Kinetics
Issue number9
StatePublished - 1 Jan 1984


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