Description

C.I. Basic Blue 147 is a synthetic cationic dye belonging to the triarylmethane class, valued for its intense blue coloration and strong affinity for polyacrylonitrile and other modified acrylic fibers. Its primary commercial value lies in providing excellent color fastness, brightness, and leveling properties in demanding industrial dyeing processes. This product is essential for manufacturers in the textile, paper, and specialty ink industries seeking reliable and consistent blue pigments.

Application

• Textile Dyeing: Primary application for dyeing acrylic, modacrylic, and cationic-dyeable polyester fibers, offering excellent wash and light fastness.
• Paper Coloring: Used in the production of colored papers, tissues, and specialty paper products where vibrant blue shades are required.
• Ink Manufacturing: A key pigment for formulating inks, including ballpoint pen inks, stamp pad inks, and other aqueous-based systems.
• Leather Finishing: Employed in the dyeing of leather goods to achieve uniform and deep blue finishes.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Plastics and Polymers: For the mass coloration of certain plastics where a stable blue colorant is needed.

Basic Information

Product Name	C.I. Basic Blue 147
CAS No.	99035-77-5
Molecular Formula	C₄₅H₅₄ClN₃O₆S₂
Molecular Weight	844.51 g/mol
Synonyms	Basic Blue 147; Astrazon Blue BG; Aizen Cathilon Blue BG; Maxilon Blue BG; Cationic Blue BG; Triarylmethane Blue 147; 1,3-Benzenedicarboximidamide, N,N''-bis[4-[[4-(dimethylamino)phenyl][4-(ethylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-2-hydroxy-, sulfate (1:2); C.I. 51180
EINECS	Contact for details

Quality Control

Our C.I. Basic Blue 147 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against stringent in-house specifications for color strength, shade, solubility, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance metrics is provided with every shipment to guarantee it meets your specific application 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. The product is light-sensitive and should be stored away from direct light exposure to prevent degradation.

Specification

Item	Specification
Appearance	Dark Blue to Bluish-Black Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Water Solubility	Clear Solution at 1%
pH (1% Solution)	4.0 - 6.0

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