Description

Bis(4-[(2-Chlorophenyl)[4-(Ethylimino)-3-Methyl-2,5-Cyclohexadien-1-Ylidene]Methyl]-n-Ethyl-o-Toluidine) Sulphate is a specialized organic salt compound with a complex triarylmethane-derived structure, serving as a key intermediate in advanced chemical synthesis. Its primary commercial value lies in its role as a precursor for high-performance dyes, pigments, and functional materials requiring specific chromophoric and electronic properties. This chemical is essential for manufacturers and R&D laboratories in the specialty dyes, imaging materials, and electronic chemicals sectors seeking to develop products with tailored light-absorption characteristics.

Application

• Dye and Pigment Intermediate: A critical precursor for synthesizing complex triarylmethane and related cationic dyes used in textiles, inks, and coatings.
• Imaging and Photographic Chemicals: Used in the formulation of light-sensitive materials and color developers for specialized photographic and imaging applications.
• Electrochromic and Photochromic Materials: Serves as a building block for compounds used in smart windows, optical switches, and data storage devices that change color in response to electrical or light stimuli.
• Laser Dyes and Optical Filters: Employed in the synthesis of dyes for tunable dye lasers and in the production of materials for specific wavelength filtration.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organic semiconductors and non-linear optical materials.
• Biological Staining Agents: Potential use as a precursor for histological stains and fluorescent probes in biotechnology and diagnostic applications.

Basic Information

Item	Details
Product Name	Bis(4-[(2-Chlorophenyl)[4-(Ethylimino)-3-Methyl-2,5-Cyclohexadien-1-Ylidene]Methyl]-n-Ethyl-o-Toluidine) Sulphate
CAS No.	83950-19-0
Molecular Formula	C52H56Cl2N4O4S
Molecular Weight	903.99 g/mol
Synonyms	Bis[4-[(2-chlorophenyl)[4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene]methyl]-N-ethyl-o-toluidine] sulfate; Victoria Blue B Sulfate; C.I. 44045; Basic Blue 26 (sulfate salt); C.I. Solvent Blue 5 related salt; 4-[(4-Diethylamino)phenyl][4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene]methyl]-2-methyl-N-ethylbenzenamine sulfate (dimer); Triarylmethane dye sulfate salt; Astra Blue B Salt
EINECS	Contact for details

Quality Control

Our production of Bis(4-[(2-Chlorophenyl)[4-(Ethylimino)-3-Methyl-2,5-Cyclohexadien-1-Ylidene]Methyl]-n-Ethyl-o-Toluidine) Sulphate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analysis including HPLC for assay and impurity profiling, spectroscopic identification (IR, UV-Vis), and loss on drying. A detailed Certificate of Analysis (COA) documenting 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). Keep the container tightly sealed to minimize exposure to atmospheric moisture. Store away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystals
Identification (IR)	Conforms to structure
Identification (UV-Vis)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Solubility	Soluble in water, ethanol; slightly soluble in non-polar solvents
Heavy Metals (as Pb)	≤ 20 ppm

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