Sodium Metabisulphite is a versatile inorganic compound widely used as a preservative, antioxidant, and reducing agent across a range of industries. It helps prevent oxidation, maintain product quality, and extend shelf life in food and beverage processing, water treatment, and chemical manufacturing. The compound is also commonly used in pharmaceutical formulations, textile processing, and pulp and paper production. Its effectiveness in controlling microbial growth and protecting sensitive materials makes it an important ingredient in many industrial applications.