Description

Basic Blue 11 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 its effectiveness as a staining agent and colorant, offering excellent tinctorial strength and good lightfastness for industrial applications. This product is essential for manufacturers and laboratories in the textile, paper, and biological staining industries seeking reliable and consistent color performance.

Application

• Textile Dyeing: Used for coloring silk, wool, and polyacrylonitrile fibers, providing vibrant blue shades.
• Paper Coloring: Employed in the production of colored papers, including specialty and decorative papers.
• Biological Staining: Functions as a vital stain in microscopy for highlighting cellular structures in histology and cytology.
• Ink Manufacturing: Serves as a colorant in the formulation of writing inks, stamp pad inks, and other specialty inks.
• Leather Finishing: Applied in the dyeing of leather goods to achieve uniform and durable blue coloration.
• Indicator Chemistry: Can be utilized as a pH indicator or in analytical chemistry applications due to its color-changing properties.

Basic Information

Product Name	Basic Blue 11
CAS No.	2185-86-6
Molecular Formula	C₂₀H₂₆ClN₃O
Molecular Weight	359.89 g/mol
Synonyms	Victoria Blue B; Basic Blue 11; C.I. 44045; Solvent Blue 5; Victoria Pure Blue B; Victoria Blue BO; Aniline Blue; [4-[[4-(Dimethylamino)phenyl][4-(phenylamino)-1-naphthyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride
EINECS	218-562-1

Quality Control

Our Basic Blue 11 is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous in-house specifications, which typically include parameters for identification, assay, and impurity profiles. While this product is commonly supplied in technical grade, Certificates of Analysis (COA) detailing specific test 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 prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue powder or crystalline solid
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 2.0%
Ash Content	Max. 1.0%
Solubility	Soluble in water and ethanol; slightly soluble in acetone

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