Decomposition of 1,4 dimethylnaphthalene endoperoxide supported on the silica gel and alumina surface is accompanied by chemiluminescence (CL) in the IR and visible spectral regions. The CL emitter in the IR region is singlet oxygen. The 1 O 2 dimol contributes mainly to the emission at λ max = 630 and 700 nm. It was shown by the IR CL method that endoperoxide decomposition on the sorbent surface follows the first order kinetics. The activation param eters of the process were determined. On the Al 2 O 3 and silica gel surfaces a substantial accel eration of the decomposition of 1,4 dimethylnaphthalene endoperoxide is observed compared to the solution.
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