Description

[4-[[4-[Bis[(3-Sulphophenyl)Methyl]Amino]Phenyl][4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]Dimethylammonium is a high-purity, triphenylmethane-based cationic dye intermediate with significant commercial value. Its complex molecular structure is engineered for precise color development and functional properties in advanced applications. This compound is essential for manufacturers in the dye, pigment, and specialty chemical industries seeking consistent quality and performance for their formulations.

Application

• Dye and Pigment Synthesis: A key intermediate for producing cationic dyes, particularly for paper, textiles, and leather.
• Biological Staining: Used in the formulation of histological and cytological stains for laboratory and diagnostic applications.
• Photographic Sensitizers: Acts as a spectral sensitizer in photographic emulsions and other light-sensitive materials.
• Analytical Reagents: Employed as a colorimetric indicator and reagent in analytical chemistry and biochemical assays.
• Functional Inks: A component in the manufacture of specialized inks for security printing and optical data storage.
• Research & Development: Serves as a building block for novel chromophores and functional materials in academic and industrial R&D.

Basic Information

Item	Details
Product Name	[4-[[4-[Bis[(3-Sulphophenyl)Methyl]Amino]Phenyl][4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]Dimethylammonium
CAS No.	25329-62-8
Molecular Formula	C37H37N3O6S2
Molecular Weight	683.84 g/mol
Synonyms	Basic Blue 26; Victoria Blue B; C.I. 44045; Aniline Blue; Spirit Blue; [4-[Bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]dimethylammonium chloride (related salt); Triphenylmethane dye derivative; Cationic Blue Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of [4-[[4-[Bis[(3-Sulphophenyl)Methyl]Amino]Phenyl][4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]Dimethylammonium adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting customer specifications. A Certificate of Analysis (COA) detailing all critical parameters is provided with each shipment to guarantee traceability and compliance.

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 sealed to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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