Magnesium carbonate

Magnesium carbonate (CAS 546-93-0), also known commercially as Magnesite and designated E504 in food applications, is an inorganic mineral salt.

Where is Magnesium carbonate used?

• Food manufacturing: anti-caking agent that prevents clumping in table salt, flour and dry mixes
• Pharmaceuticals: tablet excipient and antacid active ingredient
• Personal care: bulking and absorbency agent in pressed powders, dry shampoos and talc-free body powders
• Plastics processing: filler and acid scavenger that neutralizes residual catalyst acids
• It also functions as an acidity regulator and processing aid.

Commercial specifications

• Particle size selected to match processing requirements
• FCC, USP, Ph. Eur. and technical grades
• Anhydrous and hydrated forms