Description

n-[4-[Bis[4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methyl-3-Sulfonatobenzenemethanaminium is a high-purity, sulfonated cationic dye intermediate known for its intense color properties and water solubility. This compound is valued for its role in synthesizing specialized dyes and pigments with excellent lightfastness and affinity for various substrates. It is primarily required by manufacturers in the textile dyeing, ink formulation, and specialty chemical synthesis sectors, where precise color characteristics and chemical stability are critical.

Application

• Textile Dyeing: As a key intermediate for cationic dyes used on acrylic, modified polyamide, and polyester fibers.
• Ink Manufacturing: For producing high-performance inks in jet printing, security inks, and specialty packaging.
• Biological Staining: Potential use in histological stains and diagnostic reagents due to its cationic and chromophoric nature.
• Photographic Industry: As a sensitizer or anti-halation dye in photographic films and papers.
• Laser Dyes & Optical Applications: In the synthesis of dyes for tunable dye lasers and non-linear optical materials.
• Research & Development: Serving as a building block for novel chromophores and functional materials in academic and industrial R&D.

Basic Information

Product Name	n-[4-[Bis[4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methyl-3-Sulfonatobenzenemethanaminium
CAS No.	5844-15-5
Molecular Formula	C31H34N3O3S+
Molecular Weight	528.68 g/mol
Synonyms	Basic Blue 7; Victoria Blue B; C.I. 42595; Benzenemethanaminium, N-[4-[bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, 3-sulfonate; Aniline Blue; Spirit Blue; Victoria Blue BO; C.I. Basic Blue 7
EINECS	227-432-2

Quality Control

Our production of n-[4-[Bis[4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methyl-3-Sulfonatobenzenemethanaminium adheres to stringent quality protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, spectrophotometry for color strength, and tests for heavy metal content. We provide full traceability and Certificates of Analysis (COA) are supplied with every shipment to ensure compliance with your specifications and industry standards.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Value	Contact for details
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Completely soluble, clear solution

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