1. Construction

• Plasticizers for Concrete: It serves as a plasticizer, helping to improve the flow and handling properties of concrete mixtures, which is crucial for achieving high-quality construction outcomes.

2. Personal Care

• pH Adjuster: In cosmetic formulations, succinic acid is used as a pH adjuster, ensuring that products maintain an optimal pH level for skin compatibility and effectiveness.

3. Food & Healthcare Ingredients

• Food Additive: Succinic acid is used as a food additive (E363) to enhance flavor and acidity in various products. It can improve the taste profile of food items, making them more appealing to consumers.
•  Preservative: Its antimicrobial properties allow it to function as a preservative in food products, helping to extend shelf life by inhibiting the growth of spoilage organisms. 

4. Pharmaceuticals

• Active Pharmaceutical Ingredient (API): Succinic acid is utilized as an intermediate in the synthesis of various pharmaceuticals. It plays a role in the production of certain medications, enhancing their therapeutic effects and bioavailability.
• Buffering Agent: It is often employed as a buffering agent in pharmaceutical formulations, helping to maintain pH stability, which is crucial for the efficacy and stability of drugs.

5. Agrochemicals

• Plant Growth Regulators: Succinic acid is an intermediate of the TCA cycle and is involved in cellular energy metabolism. In plants, it's used as a biostimulant to boost plant vigor and resistance to stress conditions.
• Soil Conditioners & Nutrient Enhancers: Succinic acid functions as a plant growth stimulant and a natural chelating agent. It promotes root development, increases stress resistance in plants, and improves the availability of essential micronutrients by chelation.
• Pesticide Formulation: It is also involved in the formulation of certain pesticides, helping to improve the efficacy of active ingredients and contributing to better pest management.