Search all gas-phase reactions, by species name, formula, Inchi and smiles
This website provides kinetic and photochemical data evaluated by the IUPAC Task Group on Atmospheric Chemical Kinetic Data Evaluation. Also see Atmospheric Chemistry and Physics publications:
Volumes 1-8 in Atmospheric Chemistry and Physics (ACP)
View most recently added/changed datasheets.
We have summary tables of recommended data for the reactions listed in the ACP volumes. Where published data has been superceded by new evaluations on the website this is noted. We recommend the use of Firefox to ensure these XML files view correctly. These summary data will be updated frequently.
Summary data can be downloaded for personal use only and must not be retransmitted or disseminated either electronically or in hardcopy without explicit written permission.