Specific Exemptions for chemicals listed in Annex B

List of Specific Exemptions

Specific exemptions
Perfluorooctane sulfonic acid (CAS No: 1763-23-1), its saltsa and perfluorooctane sulfonyl fluoride
(CAS No: 307-35-7)

  a For example:

potassium perfluorooctane sulfonate
(CAS no. 2795-39-3);

lithium perfluorooctane sulfonate
(CAS no. 29457-72-5);

ammonium perfluorooctane sulfonate
(CAS no. 29081-56-9);

diethanolammonium perfluorooctane sulfonate (CAS no. 70225-14-8);

tetraethylammonium perfluorooctane sulfonate (CAS no. 56773-42-3);

didecyldimethylammonium perfluorooctane sulfonate (CAS no. 251099-16-8).


As allowed for Parties listed in the Register



For the following specific uses, or as an intermediate in the production of chemicals with the following specific uses:

  • Photo masks in the semiconductor and liquid crystal display (LCD) industries

  • Metal plating (hard metal plating)

  • Metal plating (decorative plating)

  • Electric and electronic parts for some colour printers and colour copy machines

  • Insecticides for control of red imported fire ants and termites

  • Chemically driven oil production