Cationic Blue 41

High-tint cationic dye for acrylic fibers, specialty inks and industrial color applications

Cationic Blue 41 (Basic blue 41) Soluble in hot water and cold water for blue, soluble in ethanol also to blue. The strong sulfuric acid to red light brown, for yellow to green after diluted, and then into a blue. The dye solution to join sodium hydroxide deep red light brown precipitation.

Cationic Blue 41, commonly referred to as Basic Blue 41, is a bright, water-soluble cationic dye designed for strong bluish shades with excellent tinting strength. It is widely used in the dyeing of acrylic (PAN) fibers, specialty ink formulations, paper coloration and selective leather dyeing after compatibility testing. Our manufacturing ensures tight shade control and low impurity content so formulators get consistent, reproducible results across production runs.

Relative Name

Cationic Blue SD-GRL,Cationic Blue X-GRL,Cationic Blue XL-GRL,Cationic Brilliant Blue X-2RL

Why choose our Cationic Blue 41 (how we differ from competitors)

• Tight shade control: in-house shade lab and narrow batch variance for reliable color matching.
• Purity & cleanliness: minimized impurities to reduce fouling and improve fastness performance.
• Application support: downloadable TDS/SDS and technical troubleshooting for first trials.
• Flexible supply: sample packs, small runs and bulk orders with COA and traceability.

Key properties & product features

• Form - Powder (crystalline) or concentrated aqueous dispersion — grade options available.
• Hue- Bright blue with strong tinting strength and clean undertone.
• Dissolution   - Rapid dissolution in warm water; suitable for liquid dosing systems.
• Fastness - Good to moderate wet fastness depending on substrate & auxiliaries used.

Applications:

• Used for silk, wool dyeing, also used in bamboo, wood, printing paper and ordinary paper shading, is used to make organic pigments and solvent dye.
• Acrylic (PAN) fiber dyeing — improved exhaustion and leveling when used with recommended auxiliaries.
• Specialty inks and paper coloration (formulation dependent).
• Leather dyeing for selected processes after pre-testing.

Technical Specifications

• ‍Product Name: Basic Blue 41
• C.I. No.: 11105/11154
• CAS No.: 12270-13-2
• Molecular Formula: C20H26N4O6S2/C21H27ClN4O3S
• Molecular Weight: 482.57/450.98
• Shade: bright blue. Dark violet-colored powder. ‍

Package

25KG/DRUM, CARTON BOX, BAG

Availability

Samples: typically available on request. Bulk lead times vary by order size — request a quote.

MOQ

Standard MOQ applies; small-trial packs available for lab testing.

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.