Description

Victoria Blue is a synthetic cationic dye belonging to the triarylmethane class, widely recognized for its intense blue color and strong tinctorial strength. This high-performance colorant is essential for applications requiring vibrant, stable coloration and specific functional properties. It serves as a critical component for manufacturers in the textile, ink, and specialty chemical industries, where consistent quality and reliable supply are paramount for production processes.

Application

• Textile Dyeing and Printing: Primarily used for dyeing silk, wool, and acrylic fibers, providing a brilliant blue shade with good light and wash fastness.
• Ink Manufacturing: A key pigment for producing high-quality writing inks, stamp pad inks, and specialty printing inks.
• Biological Staining: Employed in microbiology and histology as a vital stain for differentiating tissues and microorganisms under a microscope.
• Paper Coloring: Used in the production of colored papers and paper products requiring a distinctive blue hue.
• Leather Finishing: Applied in the dyeing of leather goods to achieve deep, uniform blue colors.
• Chemical Indicator: Functions as a pH indicator and in various analytical chemistry applications.
• Plastics and Polymers: Incorporated as a colorant for certain plastics and synthetic materials.

Basic Information

Product Name	Victoria Blue
CAS No.	56646-84-5
Molecular Formula	C33H32ClN3
Molecular Weight	506.08 g/mol
Synonyms	Victoria Blue B; Basic Blue 26; C.I. 44045; Victoria Pure Blue BO; Aniline Blue; Solvent Blue 5; [4-[[4-(Dimethylamino)phenyl][4-(phenylamino)-1-naphthyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride
EINECS	260-303-5

Quality Control

Our Victoria Blue is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous internal specifications, which typically include identity confirmation, assay (purity), and tests for specific impurities. 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, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Dark green to blue crystalline powder or lumps
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Solubility	Soluble in ethanol, chloroform; sparingly soluble in water
Heavy Metals (as Pb)	≤ 20 ppm

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