Fumaric acid is a versatile dicarboxylic acid widely recognized for its applications in various industries, including food, pharmaceuticals, and agriculture. This compound, also known as trans-butenedioic acid, is valued for its ability to act as a food additive, enhancing flavor and stability in products such as beverages and baked goods. In the pharmaceutical sector, fumaric acid is utilized in the synthesis of various drugs, particularly in the treatment of psoriasis and multiple sclerosis, due to its anti-inflammatory properties.

Additionally, fumaric acid serves as a key intermediate in the production of unsaturated polyester resins, which are essential in the manufacturing of fiberglass and composite materials. Its unique ability to improve the mechanical properties of these materials makes it a preferred choice among manufacturers. With its low toxicity and biodegradable nature, fumaric acid is also gaining traction in sustainable practices, making it an ideal candidate for eco-friendly formulations. Researchers and industry professionals can leverage fumaric acid's diverse applications to enhance product performance and meet growing consumer demands for sustainable solutions.