Description

C.I. Basic Blue 71 is a synthetic cationic dye belonging to the triarylmethane class, widely recognized for its intense blue coloration. It is a critical component for imparting vibrant, durable color to a variety of substrates, offering excellent tinctorial strength and compatibility. This product is essential for manufacturers in the textile, paper, and specialty ink industries seeking reliable and consistent colorants for their processes.

Application

• Textile Dyeing and Printing: Primarily used for dyeing acrylic, modacrylic, and cationic-dyeable polyester fibers, as well as for printing applications.
• Paper Coloring: Employed in the production of colored papers, including specialty papers, tissues, and decorative boards.
• Ink Manufacturing: A key pigment for creating blue shades in various inks, including flexographic, gravure, and specialty inks.
• Leather Finishing: Used in the dyeing of leather goods to achieve consistent and vibrant blue finishes.
• Biological Staining: Finds application as a histological stain in laboratory settings for microscopic analysis.
• Plastics and Polymers: Can be used for mass coloration of certain plastics where compatibility is confirmed.

Basic Information

Product Name	C.I. Basic Blue 71
CAS No.	12221-42-0
Molecular Formula	C₂₀H₂₆ClN₃O₃S
Molecular Weight	423.95 g/mol
Synonyms	Basic Blue 71; Astrazon Blue BG; Aizen Cathilon Blue BG; Maxilon Blue BG; C.I. 11154; 4-[(4-Dimethylamino)phenyl][4-(ethylamino)-1-naphthyl]methylene]-2,5-cyclohexadien-1-ylidene]dimethylammonium chloride; Victoria Pure Blue BO
EINECS	Contact for details

Quality Control

Our C.I. Basic Blue 71 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous internal specifications for key parameters such as color strength, shade, solubility, and impurity profile. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark blue to blue-violet powder
Identification (IR)	Conforms to standard
Color Strength	100% ± 3% (vs. Standard)
Shade	Conforms to standard
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.