material safety data sheet Material Safety Data Sheet (if it exists). A Material Safety Data Sheet (MSDS) is designed to provide both workers and emergency personnel with the proper procedures for handling or working with a particular substance. MSDS's include information such as physical data (melting point, boiling point, flash point etc.), toxicity, health effects, first aid, reactivity, storage, disposal, protective equipment, andspill/leak procedures. These are of particular use if a spill or other accident occurs. msds PSI-MI MSDS Material Safety Sheet MI:2023 physicochemical attribute name