To avoid improper storage of incompatible chemicals, it is recommended to have separate cabinets for chemical products from each category: poisons, acids, bases, and flammable liquids.
- Acids and bases should not be stored together with each other or any other substances.
- Flammable liquids should not be stored together with flammable gas or combustible materials.
- Oxidising agents should not be stored together with less oxidizable substances. Strongly oxidising agents should preferably be stored in their own cabinet.