Brown fk

Brown FK (CAS 8062-14-4), also known as E154 and C.I. Food Brown 1, is a synthetic azo dye approved as a food colorant in select regulated markets.

Where is Brown fk used?

• Food: direct application to smoked and cured fish for deep golden-brown appearance
• Textiles: dyeing wool and silk via azo chemistry
• Leather finishing: uniform brown tones on treated hides
• Paper: specialty coloring in surface or pulp dyeing
• It colors kippers and smoked fish products.

Good to know: Buyers should confirm regional regulatory approval status before purchase, as authorization varies significantly across global markets.