Skip to main content

From 24 April 2024 there will be changes to categorisation, reporting & record keeping requirements - see announcements on changes to the General Rules & changes to the Categorisation Guidelines.

Incidentally-introduced chemical

means an industrial chemical:

  • that is introduced, either with or subsequent to the introduction of another industrial chemical, as a result of any of the following:
    • the incomplete reaction of starting materials or reaction intermediates used in the manufacture of the other industrial chemical;
    • an unintended constituent present in the starting materials used in the manufacture of the other industrial chemical;
    • the exposure of the other industrial chemical to light, heat or other environmental conditions in the course of handling or storage;
    • the occurrence of a chemical reaction during the manufacture or use of the other industrial chemical;
  • and the introduction of which has no commercial value separate from the other industrial chemical.
Was this page helpful?
For broken links or technical issues, please provide as much detail as possible. Do not include your name, email address and other personal or commercially sensitive information.

Keep informed with updates