Description

[4-[Alpha(4-Anilino-1-Naphthyl)-4-(Dimethylamino)Benzylidene]Cyclohexa-2,5-Dien-1-Ylidene]Dimethylammonium Toluene-p-Sulphonate is a specialized cationic dye salt, valued for its intense color properties and chemical stability. This compound is critical for applications requiring high-performance colorants with specific solubility and compatibility profiles. It is primarily sought by manufacturers in the textile, ink, and specialty polymer industries for advanced coloration and functional material development.

Application

• Textile Dyeing: Used as a key colorant for synthetic fibers, particularly polyacrylonitrile and modified polyesters, offering excellent light and wash fastness.
• Inkjet and Printing Inks: Serves as a high-purity pigment or dye component for specialty inks requiring vibrant hues and stability.
• Functional Polymer Additive: Incorporated into polymers to impart color or act as a photosensitizer or charge control agent in advanced material formulations.
• Biological Staining: Potential use as a histological or cytological stain in life science research due to its cationic nature and affinity for certain cellular structures.
• Optical Data Storage: Investigated for use in dye-based recordable optical media (e.g., CD-R, DVD-R) due to its strong absorption in the visible spectrum.
• Liquid Crystal Displays (LCDs): Can be utilized as a dichroic dye in guest-host LCD systems to improve contrast and viewing angles.

Basic Information

Product Name	[4-[Alpha(4-Anilino-1-Naphthyl)-4-(Dimethylamino)Benzylidene]Cyclohexa-2,5-Dien-1-Ylidene]Dimethylammonium Toluene-p-Sulphonate
CAS No.	84962-89-0
Molecular Formula	C39H39N3O3S
Molecular Weight	629.81 g/mol
Synonyms	Basic Blue 7; Victoria Blue B; C.I. 42595; Aniline Blue; Spirit Blue; [4-[α-(4-Anilino-1-naphthyl)-4-(dimethylamino)benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium 4-methylbenzenesulfonate; C.I. Basic Blue 7; Toluene-4-sulfonic acid [4-[α-(4-anilino-1-naphthyl)-4-(dimethylamino)benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium
EINECS	Contact for details

Quality Control

Our production of [4-[Alpha(4-Anilino-1-Naphthyl)-4-(Dimethylamino)Benzylidene]Cyclohexa-2,5-Dien-1-Ylidene]Dimethylammonium Toluene-p-Sulphonate adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed against comprehensive specifications, including identity, purity, and color strength. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	98 - 102% (vs. Standard)
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in ethanol, methanol; slightly soluble in water

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