Cationic Yellow 51

A vivid warm-yellow cationic dye engineered for stable shade matching, consistent levelling and efficient fixation across acrylic and related fibers.

Product Overview

Cationic Yellow 51 (commonly referenced as Basic Yellow 51) is a carefully formulated cationic dye that delivers a bright, warm yellow with reliable depth and reproducibility. It is optimized for acrylic fibers and acrylic blends where consistent color, efficient fixation and good levelling are required.

This grade is tailored to mills and formulators who need tight batch-to-batch shade control, robust fixation performance and predictable processing in both batch and continuous dyeing systems.

Key Features & Benefits

• Bright, Reproducible Shade - Warm yellow hue with repeatable shade across production runs.
• High Fixation Efficiency - Improved uptake reduces dye loss and wastewater load, lowering operating cost.
• Uniform Levelling - Minimizes streaking and unevenness on yarns and fabrics.
• Good Wet & Light Fastness - Formulated for end-uses requiring dependable washing and light performance.

Applications

• Batch and continuous dyeing of acrylic and acrylic-blend yarns & fabrics
• Yarn dyeing for fashion & home textiles
• Textile printing (dependent on binder & recipe)
• Specialty colorations requiring bright, consistent yellow shades

Technical Specifications

• ‍Product Name:BASIC YELLOW 51
• C.I. No.: 480538
• CAS No.: 83949-75-1
• Molecular Formula: C20H25N3O4S
• Molecular Weight: 403.5
• Shade: yellow‍

Package

25KG/DRUM, CARTON BOX, BAG

Safety & Handling

Use standard industrial hygiene practices. Avoid inhalation of dust and prolonged skin contact. Wear appropriate PPE (gloves, goggles, dust mask). Dispose of residues and packaging in accordance with local regulations. For full hazard information consult the SDS.

Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.