Particles containing a strong oxidizer (classified as PG I according to the standard test method of the UN Manual of Tests and Criteria, 5th revised Edition, sub-section 34.4.1) and at least one other constituent, the amount and nature of the constituent(s) other than the strong oxidizer in the particles being such that the particles are classified as non-oxidizer according to the stand- and test method of the UN Manual of Tests and Criteria, 5th revised Edition, sub-section 34.4.1. Process for the production of these particles.