Ammonium fumarate

Ammonium fumarate (CAS 14548-85-7), also known as diammonium fumarate and approved as E368, is the ammonium salt of fumaric acid used commercially as a pH buffer and acidulant.

Where is Ammonium fumarate used?

• Food manufacturing: buffering agent in baked goods and beverages
• Pharmaceuticals: excipient regulating pH in oral solid dosage forms and counterion in salt formation
• Animal feed: acidifier managing gastrointestinal pH
• Agricultural formulations: buffering component in liquid fertilizers
• Crop protection products: stabilises solution pH during mixing and application
• It provides controlled acidity adjustment and mild preservative action.

Commercial specifications

• Food-grade material conforming to E368 specifications
• Pharmaceutical-grade supply meeting compendial purity requirements