Sodium fumarate

Sodium fumarate (CAS 7704-73-6), also known by the E-number E365, is the disodium salt of fumaric acid used commercially as an acidulant and pH buffering agent. It delivers controlled acidity and flavor modification across food and pharmaceutical manufacturing. This compound provides effective results without the handling concerns associated with free organic acids. In food production, it functions as an acidulant and flavor enhancer in dry beverage mixes and bakery products.

It is particularly useful in processed foods where precise pH control affects shelf life and taste profile. It is also used in pharmaceutical formulations as a buffering agent to stabilize active ingredients and maintain target pH ranges. The compound appears in oral rehydration and electrolyte formulations, where its salt form supports palatability and ionic balance. Mafusol-based clinical fluid formulations have historically referenced it as a functional component.

Sodium fumarate is supplied as a white crystalline powder for various industrial uses. Food-grade material is available to E365 specification for use in regulated food applications, ensuring safety and compliance. Pharmaceutical-grade supply meets USP and Ph. Eur. standards where required for medical applications. Bulk quantities are standard for industrial procurement, with packaging options ranging from bags to multi-tonne quantities.