Chrysoine resorcinol

Chrysoine resorcinol (CAS 547-57-9), also known as C.I. Acid Orange 6 and formerly designated E103, is an acid azo dye producing a yellow-orange hue.

Where is Chrysoine resorcinol used?

• Textile dyeing: applied to wool, silk and nylon where acid dyes bond directly
• Leather finishing: uniform orange tones on tanned hides, particularly decorative and fashion leather goods
• Printing and packaging: colorant in ink formulations for paper and board substrates
• Specialty paper manufacturing employs it for mass coloration during pulp processing or surface application.

Good to know: Formerly designated E103. Specifications are often expressed as percentage dye content by assay.

Commercial specifications

• Technical and dye-content-standardized grades
• Percentage dye content by assay
• Fiber drums or multi-wall bags suited to industrial procurement volumes