Description

Basic Blue 53 is a synthetic cationic dye belonging to the triarylmethane class, widely recognized for its intense blue coloration. This product, identified by CAS NO 132758-66-8, is valued for its strong tinctorial strength and good solubility in water, making it a versatile and efficient colorant. It is primarily sought after by manufacturers in the textile, paper, and specialty ink industries for dyeing and printing applications where a vivid blue hue is required.

Application

• Textile Dyeing: Used for dyeing cotton, silk, wool, and nylon fibers to achieve a bright blue shade.
• Paper Coloring: Employed in the production of colored papers, tissues, and paperboard.
• Ink Manufacturing: A key component in the formulation of writing inks, stamp pad inks, and other specialty liquid inks.
• Leather Finishing: Applied in the dyeing process for leather goods to provide consistent and durable color.
• Biological Staining: Utilized in microscopy as a histological stain for specific tissue components in laboratory settings.
• Industrial Markers: Incorporated into solutions for creating temporary or permanent marks on various surfaces.

Basic Information

Product Name	Basic Blue 53
CAS No.	132758-66-8
Molecular Formula	C20H26N3O3S+
Molecular Weight	380.50 g/mol
Synonyms	Basic Blue 53; C.I. 51180; Victoria Blue B; Basic Blue K; Astra Blue B; Methyl Violet B; Aniline Blue; Spirit Blue; Paper Blue R; C.I. Basic Blue 53; Basic Blue N; 4-[(4-Dimethylaminophenyl)[4-(ethylamino)-1-naphthyl]methylene]-2,5-cyclohexadien-1-ylidene]dimethylammonium hydrogen sulfate
EINECS	Contact for details

Quality Control

Our Basic Blue 53 is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to meet industry specifications. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance protocols.

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 maintain product integrity.

Specification

Item	Specification
Appearance	Dark green to blue powder or crystals
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 2.0%
Water Solubility	Completely soluble
Heavy Metals (as Pb)	Max. 20 ppm

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