Description

Methylium, Bis4-(Dimethylamino)Phenyl4-(Ethylamino)-3-Methylphenyl-, Acetate CAS NO 72102-66-0 is a specialized triarylmethane dye salt, recognized for its distinct cationic chromophore structure. This compound is valued for its intense color properties and its role as a key intermediate in the synthesis of advanced functional dyes and pigments. It is primarily required by manufacturers in the specialty chemicals, dye and pigment production, and research and development sectors for creating high-performance colorants.

Application

• Key Intermediate for Triarylmethane Dyes: Serves as a crucial precursor in the synthesis of cationic triarylmethane dyes used for textiles, paper, and leather.
• Specialty Pigment Manufacturing: Utilized in the production of high-value organic pigments for inks, coatings, and plastics.
• Research & Development: Employed in academic and industrial R&D for studying dye chemistry, photophysical properties, and new material development.
• Functional Material Synthesis: Used in creating materials for applications such as nonlinear optics, sensors, and imaging agents.
• Histological Staining: Potential use as a basic dye in biological staining procedures for microscopy.

Basic Information

Product Name	Methylium, Bis4-(Dimethylamino)Phenyl4-(Ethylamino)-3-Methylphenyl-, Acetate
CAS No.	72102-66-0
Molecular Formula	C32H38N3O2+ • C2H3O2- or C34H41N3O4
Molecular Weight	555.71 g/mol
Synonyms	[4-(Ethylamino)-3-methylphenyl]bis[4-(dimethylamino)phenyl]methylium acetate; Basic Blue 7, acetate salt; Victoria Pure Blue BO acetate; C.I. 42595; Astrazon Blue BG; Aizen Cathilon Blue BGH; Bis(4-(dimethylamino)phenyl)(4-(ethylamino)-3-methylphenyl)methylium acetate
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management protocols. Each batch is characterized and tested to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, impurity profile, and physical properties is provided with every shipment to guarantee it meets your precise application requirements.

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). This material is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark green to blue-green powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
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.