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Author(s):   Magneron, I.; Thevenet, R.; Mellouki, A.; Le Bras, G.; Moortgat, G.K.; Wirtz, K.
Title:   A Study of the Photolysis and OH-Initiated Oxidation of Acrolein and trans-Crotonaldehyde
Journal:   J. Phys. Chem. A
Volume:   106
Page(s):   2526 - 2537
Year:   2002
Reference type:   Journal article
Squib:   2002MAG/THE2526-2537

Reaction:   CH2=CHCHO + ·OH → Products
Reaction order:   2
Temperature:   243 - 372 K
Pressure:  2.67E-2 - 0.40 bar
Rate expression:   6.55x10-12 [±1.22x10-12 cm3/molecule s] e2769 [±449 J/mole]/RT
Category:  Experiment
Data type:   Absolute value measured directly
Pressure dependence:   Rate constant is pressure independent
Experimental procedure:   Static or low flow - Data taken vs time
Excitation technique:   Flash photolysis (laser or conventional)
Time resolution:   In real time
Analytical technique:   Laser induced fluorescence
Comments:   Pulsed laser photolysis (H2O2 at 248)/laser induced fluorescence, also chamber and EUPHORE end-product studies, photolysis is shown to be inefficient for atmospheric conditions, OH reaction controls atmospheric lifetime of acrolein

View full bibliographic record.


Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
243 2.58E-11
250 2.48E-11
275 2.20E-11
300 1.99E-11
325 1.82E-11
350 1.70E-11
372 1.60E-11