Description

Basic Blue 62 is a synthetic cationic dye belonging to the triarylmethane class, widely recognized for its intense blue color and strong affinity for various substrates. Its primary value lies in providing consistent, high-tint coloration and excellent fastness properties in demanding industrial applications. This product is essential for manufacturers in the textile, paper, and specialty chemical industries seeking reliable and effective blue pigments for their processes.

Application

• Textile Dyeing and Printing: Primarily used for dyeing acrylic fibers, wool, and silk, offering good wash and light fastness.
• Paper Coloring: Employed in the production of colored papers, including specialty and decorative papers.
• Leather Finishing: Used as a colorant in the dyeing of leather goods.
• Ink Manufacturing: Serves as a pigment in the formulation of various inks, including stamp pad and flexographic inks.
• Biological Staining: Utilized in histology and microbiology as a staining agent for microscopic analysis.
• Specialty Chemical Synthesis: Acts as an intermediate or colorant in the production of other complex dyes and pigments.

Basic Information

Product Name	Basic Blue 62
CAS No.	12221-36-2
Molecular Formula	C₂₀H₂₆N₃O⁺ • Cl⁻
Molecular Weight	359.89 g/mol (for cation)
Synonyms	Aizen Cathilon Blue GLH; Astrazon Blue GL; Basic Blue 62; C.I. 62045; Maxilon Blue GL; Methylene Blue N; Sevron Blue GL; Triarylmethane Blue GL; 4-[(4-Dimethylaminophenyl)[4-(ethylamino)-1-naphthyl]methylene]-N,N-dimethyl-2,5-cyclohexadien-1-iminium chloride
EINECS	235-391-6

Quality Control

Our Basic Blue 62 is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is tested against rigorous in-house specifications, which typically include parameters for color strength, shade, solubility, and impurity profile. A Certificate of Analysis (COA) detailing the 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 incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to prevent degradation.

Specification

Item	Specification
Appearance	Dark blue to greenish-blue powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Color Strength	100 ± 5% (vs. Standard)
Moisture Content	Max. 5.0%
Ash Content	Max. 1.0%
Solubility (in Water)	Completely soluble (1% solution)

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