Description

Methylium, [4-(Dimethylamino)Phenyl] Bis[4-(Ethylamino)-3-Methylphenyl]-, Chloride is a specialized triarylmethane dye intermediate and cationic compound. It serves as a critical precursor in the synthesis of high-value colorants and functional materials, where its specific cationic structure imparts unique properties. This product is essential for manufacturers in the dyes and pigments, specialty chemicals, and advanced material research sectors seeking to develop products with precise optical or electronic characteristics.

Application

• Dye and Pigment Synthesis: Primary intermediate for producing cationic triarylmethane dyes used in textiles, inks, and specialty coatings.
• Functional Materials: Key building block in the development of electrochromic materials, nonlinear optical (NLO) materials, and photoconductive polymers.
• Biological Staining: Potential precursor for certain histological and cytological stains used in microscopy and diagnostic applications.
• Chemical Research: Valuable reagent in organic synthesis for constructing complex molecular architectures and studying charge-transfer complexes.
• Sensor Technology: Used in the development of chemical sensors and indicators due to its pronounced color changes in different environments.

Basic Information

Product Name	Methylium, [4-(Dimethylamino)Phenyl] Bis[4-(Ethylamino)-3-Methylphenyl]-, Chloride
CAS No.	72102-56-8
Molecular Formula	C31H35ClN3+ • Cl- (or C31H35ClN3 • Cl)
Molecular Weight	Approx. 504.09 g/mol (for monochloride salt form)
Synonyms	[4-(Dimethylamino)phenyl]bis[4-(ethylamino)-3-methylphenyl]methylium chloride; Basic Violet 14 analogue; C.I. 42510 base; Victoria Pure Blue BO base; 4-[(4-(Dimethylamino)phenyl)(4-(ethylamino)-3-methylphenyl)methylene]-N-ethyl-2-methylcyclohexa-2,5-dien-1-iminium chloride; Triarylmethane dye cation; Astrazon Blue BG base
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols. Each batch is characterized and tested to ensure identity, purity, and consistency, meeting the exacting requirements of fine chemical synthesis. A comprehensive Certificate of Analysis (COA) detailing purity (typically by HPLC), identity confirmation (by IR and NMR), and impurity profile is provided with every shipment to guarantee traceability and support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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