Kinetics Database Logo

Kinetics Database Resources

Simple Reaction Search

Search Reaction Database

Search Bibliographic Database

Set Unit Preferences


Rate Our Products and Services


Other Databases

NIST Standard Reference Data Program

NIST Chemistry Web Book

NDRL-NIST Solution Kinetics Database

NIST Computational Chemistry Comparison and Benchmark Database

The NIST Reference on Constants, Units, and Uncertainty


Administrative Links

NIST home page

MML home page

Chemical and Biochemical Reference Data Division

MML home page

Chemical and Biochemical Reference Data Division

  NIST Logo Home
©NIST, 2013
Accessibility information
Author(s):   Hippler, H.; Seisel, S.; Troe, J.
Title:   Pyrolysis of p-xylene and of 4-methylbenzyl radicals
Journal:   Symp. Int. Combust. Proc.
Volume:   25
Page(s):   875 - 882
Year:   1994
Reference type:   Journal article
Squib:   1994HIP/SEI875-882

Reaction:   1,4-Dimethylbenzene + H2 + 4-Methylbenzyl
Reaction order:   2
Temperature:   1000 - 1800 K
Pressure:  2.40E-2 - 0.25 bar
Rate expression:   6.61x10-10 [cm3/molecule s] e-35004 [J/mole]/RT
Bath gas:   Ar
Category:  Experiment
Data type:   Derived from fitting to a complex mechanism
Excitation technique:   Thermal
Analytical technique:   Vis-UV absorption

View full bibliographic record.

Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
1000 9.81E-12
1050 1.20E-11
1100 1.44E-11
1150 1.70E-11
1200 1.98E-11
1250 2.28E-11
1300 2.59E-11
1350 2.92E-11
1400 3.27E-11
1450 3.62E-11
1500 3.99E-11
1550 4.37E-11
1600 4.76E-11
1650 5.15E-11
1700 5.55E-11
1750 5.96E-11
1800 6.37E-11