Disodium succinate hexahydrate is a versatile food additive and chemical intermediate. In the food industry, it serves as a flavor enhancer (umami agent) to improve taste in savory snacks, sauces, and canned goods. It is also used as a feed additive to promote animal growth. In pharmaceuticals, it acts as a raw material for synthesizing sedatives, diuretics, and anti-inflammatory drugs. As a chemical reagent, it is applied in analytical chemistry, buffer solutions, and organic synthesis. Its high solubility and stable pH-buffering properties make it useful in electroplating, textile dyeing, and biodegradable polymer production.