Also known as Sodium hydrogen sulfate, this substance presents as off-white granules, crystals or powder. It is stable and incompatible with strong bases, strong oxidizing agents, sodium carbonate, and sodium hypochlorite. Sodium Bisulfate may decompose upon exposure to moist air or water and is corrosive to metals and tissue. This chemical should be stored at room temperature and great care should be taken, as inhalation, ingestion or skin contact with the material may cause severe injury or death.