Chemical storage refers to the storage of hazardous substances in chemical stores, chemical cabinets or similar. Chemical cabinets are particularly used for safe storage of chemical substances internally. These cabinets are made from materials such as steel or plastic and have a bunded tray to capture spillage. Chemical stores are larger chemical storage units, which may be used for internal or external use.

It is important that only compatible chemicals are stored within these cabinets. Breakable containers, especially liquids are stored beneath solids to prevent leakage. No more than 250 liters of flammable liquid can be stored in the chemical cabinets and they must never be stored with oxidizing agents or any other incompatible solvents. Chemical storage units should be a restricted area, with entry limited only to trained, authorized personnel in order to reduce the risk of accident. Lastly, the location of these storages should be far away from ignition sources and must not block exit doorways.