Sodium bisulfate, represented by the chemical formula NaHSO4, is an inorganic compound commonly used as a pH adjuster and cleaning agent. It appears as a white crystalline powder and is highly soluble in water. When dissolved, it releases sodium ions and bisulfate ions, which can help lower the pH of solutions, making it useful in various industrial applications, including swimming pool maintenance and food processing. In addition to its role in pH adjustment, NaHSO4 is also utilized in the production of sodium sulfate and as a catalyst in chemical reactions. It is important to handle this compound with care, as it can be corrosive and may cause irritation to the skin and eyes.