Ferric oxide yellow

Ferric oxide yellow (CAS 51274-00-1) is a synthetic inorganic iron oxide pigment. Also marketed as C.I. Pigment Yellow 42 and approved as food colorant E172iii.

Where is Ferric oxide yellow used?

• Architectural coatings and construction materials: earth-tone yellows that resist UV fading and weathering
• Plastics: masterbatches for packaging films and molded parts
• Food: confectionery coatings, bakery products and dietary supplements
• Printing inks and industrial sealants: opacity and colour consistency
• It delivers stable yellow coloration in industrial and food applications.

Good to know: Food use of the E172iii grade is within permitted limits.

Commercial specifications

• Micronized grades for tighter particle size distribution and dispersion