Description

[4-[α-[4-(Cyclohexylamino)-1-Naphthyl]-p-(Dimethylamino)Benzylidene]-2,5-Cyclohexadien-1-Ylidene]Dimethylammonium Chloride is a specialized cationic dye and a derivative of Victoria Blue, known for its intense color and unique photophysical properties. This compound matters for its role as a key intermediate and functional dye in advanced material science and analytical chemistry. Industrial and research clients in the photographic, textile dyeing, and optical materials sectors require it for its specific chromogenic and solvatochromic behavior.

Application

• Photographic Sensitizer: Used in the formulation of specialized photographic emulsions and films.
• Textile Dyeing Intermediate: Serves as a precursor for synthesizing specific cationic dyes for synthetic fibers like acrylics.
• Optical Material Research: Employed in the development of non-linear optical (NLO) materials and laser dyes due to its solvatochromism.
• Analytical Chemistry Reagent: Acts as a staining agent or a probe in biological and chemical analysis.
• Ink Manufacturing: Used in the production of high-performance inks for security printing or specialty markers.
• Liquid Crystal Displays (LCDs): Investigated for potential use as a dichroic dye in guest-host LCD systems.

Basic Information

Product Name	[4-[α-[4-(Cyclohexylamino)-1-Naphthyl]-p-(Dimethylamino)Benzylidene]-2,5-Cyclohexadien-1-Ylidene]Dimethylammonium Chloride
CAS No.	3251-84-1
Molecular Formula	C35H40ClN3
Molecular Weight	538.16 g/mol
Synonyms	Victoria Blue 4R; C.I. 42563; Basic Blue 8; Victoria Pure Blue B; 4-[(4-(Cyclohexylamino)-1-naphthyl)(4-(dimethylamino)phenyl)methylene]-N,N-dimethyl-2,5-cyclohexadien-1-iminium chloride; Solvent Blue 5; Astra Blue B; Victoria Blue B Base
EINECS	221-831-7

Quality Control

Our production of [4-[α-[4-(Cyclohexylamino)-1-Naphthyl]-p-(Dimethylamino)Benzylidene]-2,5-Cyclohexadien-1-Ylidene]Dimethylammonium Chloride adheres to stringent internal quality standards to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed for critical parameters including identity, purity, and chromatic strength. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment 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-black crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in ethanol, chloroform; slightly soluble in water

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