Description

4-[[4-(Dimethylamino)-m-Tolyl][4-(Dimethyliminio)Cyclohexa-2,5-Dien-1-Ylidene]Methyl]-N,N,n-Trimethylanilinium Dichloride CAS NO 33231-00-4 is a high-purity cationic dye intermediate belonging to the triarylmethane chemical class. This compound is valued for its intense color properties and serves as a critical precursor in the synthesis of specialized dyes and pigments. It is primarily required by manufacturers in the specialty chemicals, textile dyeing, and biological staining sectors for producing high-performance colorants.

Application

• Precursor for Triarylmethane Dyes: Key intermediate in manufacturing cationic dyes for paper, textiles, and leather.
• Biological Staining Agent: Used in the formulation of histological and cytological stains for laboratory diagnostics and research.
• Photographic Sensitizer: Employed in the production of photosensitive materials and photographic chemicals.
• Laser Dye Intermediate: Serves as a building block for dyes used in tunable dye lasers and optical applications.
• Indicator Chemistry: Potential use in the synthesis of pH indicators and other analytical reagents.
• Specialty Ink Formulation: Used in the development of high-quality inks for security printing and specialty coatings.

Basic Information

Item	Details
Product Name	4-[[4-(Dimethylamino)-m-Tolyl][4-(Dimethyliminio)Cyclohexa-2,5-Dien-1-Ylidene]Methyl]-N,N,n-Trimethylanilinium Dichloride
CAS No.	33231-00-4
Molecular Formula	C27H34Cl2N3
Molecular Weight	471.48 g/mol
Synonyms	Basic Violet 1 Salt; Pararosaniline, N,N,N',N',N'',N''-hexamethyl-, dichloride; Hexamethylpararosaniline chloride; C.I. 42535; Victoria Blue B base; Astrazon Blue BG; Aizen Cathilon Blue BG; 4-[(4-Dimethylamino-m-tolyl)(4-dimethyliminiumcyclohexa-2,5-dien-1-ylidene)methyl]-N,N,N-trimethylanilinium dichloride
EINECS	Contact for details

Quality Control

Our production of 4-[[4-(Dimethylamino)-m-Tolyl][4-(Dimethyliminio)Cyclohexa-2,5-Dien-1-Ylidene]Methyl]-N,N,n-Trimethylanilinium Dichloride adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure high purity, consistent composition, and batch-to-batch reliability. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.