Description

Bis[4-(Dimethylamino)Phenyl][4-[(2-Hydroxyethyl)Amino]Phenyl]Methylium is a specialized cationic dye intermediate belonging to the triarylmethane class, known for its intense color and photophysical properties. This compound is critical for synthesizing high-performance dyes and pigments with excellent light-fastness and color strength for demanding applications. It is primarily utilized by manufacturers in the specialty chemicals, advanced materials, and research sectors seeking to develop innovative colorants and functional materials.

Application

• Synthesis of Triarylmethane Dyes and Pigments: Serves as a key precursor for producing vibrant, high-stability dyes used in inks, coatings, and plastics.
• Photographic and Imaging Chemicals: Used in the formulation of specialized colorants for photographic films and digital imaging technologies.
• Laser Dyes and Optical Materials: A valuable building block for dyes used in tunable dye lasers and other photonic applications due to its fluorescent properties.
• Biological Staining Reagents: Employed in the development of histological and cytological stains for microscopy and diagnostic applications.
• Electrochromic and Photochromic Materials: A component in research and development of smart materials that change color in response to electrical or light stimuli.
• Chemical Research and Process Development: Used as a standard or intermediate in organic synthesis and material science research.

Basic Information

Product Name	Bis[4-(Dimethylamino)Phenyl][4-[(2-Hydroxyethyl)Amino]Phenyl]Methylium
CAS No.	71173-64-3
Molecular Formula	C25H30N3O+
Molecular Weight	388.53 g/mol
Synonyms	Basic Blue 7; Victoria Blue BOH; C.I. 42595; [4-[Bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-(2-hydroxyethyl)methanaminium; Ethanol, 2-[[4-[bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]methyl]amino]-; 2-({[4-(Bis{4-[(dimethyl)amino]phenyl}methylene)cyclohexa-2,5-dien-1-ylidene]methyl}amino)ethanol; Hydroxyethyl Victoria Blue; Victoria Blue B Base
EINECS	Contact for details

Quality Control

Our production of Bis[4-(Dimethylamino)Phenyl][4-[(2-Hydroxyethyl)Amino]Phenyl]Methylium adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and spectrophotometry to verify identity, potency, and impurity profiles. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

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 away from incompatible materials and sources of ignition. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 2.0%

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