Rhodamine b

Rhodamine B (CAS 81-88-9), also known commercially as Symulex Magenta F and Rheonine B, is a synthetic xanthene dye producing an intense fluorescent pink-to-violet coloration.

Where is Rhodamine b used?

• Industrial dyeing, coating and printing: high-brightness colorant and fluorescent tracer
• Textile processing: dyes natural and synthetic fibers in fluorescent pink shades, particularly silk, wool and paper
• Printing inks: flexographic and gravure systems requiring vivid magenta tones and UV fluorescence
• Coatings and plastics: fluorescent pigment additive for films, resins and polymer compounds
• Photopolymerization and cross-linking: photosensitizer and catalyst precursor
• Adhesive and sealant formulations frequently use these systems.

Commercial specifications

• Purity specifications commonly 85% to 99% depending on application requirements
• Bulk quantities for industrial buyers; smaller packaging options for laboratory use