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.

Where is Sodium fumarate used?

• Food production: acidulant and flavor enhancer in dry beverage mixes and bakery products
• Processed foods: precise pH control affecting shelf life and taste profile
• Pharmaceutical formulations: buffering agent that stabilizes active ingredients and maintains target pH ranges
• Oral rehydration and electrolyte formulations: salt form supports palatability and ionic balance
• Mafusol-based clinical fluid formulations have historically referenced it as a functional component.

Good to know: Food-grade material is available to E365 specification. Pharmaceutical-grade supply meets USP and Ph. Eur. standards where required for medical applications.

Commercial specifications

• Bulk quantities standard for industrial procurement
• Packaging options ranging from bags to multi-tonne quantities