Description

n-[4-[Bis[4-(Dimethylamino)Phenyl]Methylene]-2-Sodiosulfo-2,5-Cyclohexadien-1-Ylidene]-2-Sulfonatoethanaminium is a high-purity, functional organic salt widely recognized for its role as a key intermediate and specialty chemical. Its value lies in its unique molecular structure, which imparts specific electronic and chromophoric properties critical for advanced material synthesis. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, dye and pigment, and advanced material science sectors seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Functional Dye & Pigment Precursor: Serves as a key building block for creating specialized dyes, pigments, and colorants with specific light-absorption properties.
• Advanced Material Synthesis: Employed in the research and development of organic electronic materials, including components for OLEDs and sensors.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in organic synthesis and material chemistry.
• Analytical Chemistry: Can be utilized as a standard or reagent in specific chromatographic or spectroscopic analytical methods.

Basic Information

Item	Detail
Product Name	n-[4-[Bis[4-(Dimethylamino)Phenyl]Methylene]-2-Sodiosulfo-2,5-Cyclohexadien-1-Ylidene]-2-Sulfonatoethanaminium
CAS No.	6421-73-4
Molecular Formula	C25H29N3Na2O6S2
Molecular Weight	585.62 g/mol
Synonyms	Victoria Blue B Sulfonate; Basic Blue 7; C.I. 42595; Ethyl-[4-[4-(dimethylamino)-α-[4-(dimethylamino)phenyl]benzylidene]-2-sodiosulfo-cyclohexa-2,5-dien-1-ylidene]-dimethyl-ammonium-2-sulfonate; Victoria Blue B (sulfonated form); [4-[Bis[4-(dimethylamino)phenyl]methylene]-2-sodiosulfo-2,5-cyclohexadien-1-ylidene]-2-sulfonatoethanaminium; N-Ethyl-N-[4-[[4-(dimethylamino)phenyl][4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]ethanaminium bis(inner salt) disulfonate sodium derivative
EINECS	229-185-2

Quality Control

Our n-[4-[Bis[4-(Dimethylamino)Phenyl]Methylene]-2-Sodiosulfo-2,5-Cyclohexadien-1-Ylidene]-2-Sulfonatoethanaminium is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity, identity, and consistency, meeting the stringent requirements for use as a pharmaceutical intermediate and specialty chemical. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); protect from moisture and store under inert atmosphere if specified for long-term storage.

Specification

Item	Specification
Appearance	Dark blue to greenish-blue powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition (Sulfated Ash)	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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