Description

N-[4-[[2-(4-Chlorophenyl)-1-(2-methylpropyl)-4,6-dimethyl-1H-indol-3-yl](2-sulfonato-4-sodiosulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-4-methoxybenzenaminium is a high-purity, sulfonated indole-based dye intermediate with a complex polycyclic structure. This compound is valued for its strong chromophoric properties and water solubility, making it a critical precursor for synthesizing specialized dyes and pigments. It is primarily sought after by manufacturers in the specialty chemical, textile dyeing, and advanced material research sectors for developing high-performance colorants.

Application

• Synthesis of Reactive and Acid Dyes: A key intermediate for producing water-soluble, high-fastness dyes for textiles like wool, silk, and nylon.
• Functional Pigment Development: Used in research and production of pigments for inks, coatings, and plastics requiring specific color strength and stability.
• Biological Staining Reagents: Potential use as a precursor for developing histological or cytological stains in life science research.
• Photographic Sensitizers: Can be utilized in the formulation of light-sensitive materials and photographic chemicals.
• Analytical Chemistry: May serve as a chromogenic agent or a standard in chromatographic analysis and method development.
• Material Science Research: Investigated for use in organic semiconductors, sensors, or nonlinear optical materials due to its conjugated system.

Basic Information

Product Name	N-[4-[[2-(4-Chlorophenyl)-1-(2-methylpropyl)-4,6-dimethyl-1H-indol-3-yl](2-sulfonato-4-sodiosulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-4-methoxybenzenaminium
CAS No.	6661-41-2
Molecular Formula	C41H38ClN2O7S2Na2
Molecular Weight	811.31 g/mol
Synonyms	Acid Blue 90; C.I. 42655; Benzenaminium, N-[4-[[2-(4-chlorophenyl)-1-(2-methylpropyl)-4,6-dimethyl-1H-indol-3-yl](2-sulfonato-4-sodiosulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-4-methoxy-, inner salt, disodium salt; Wool Blue S; 6661-41-2; C.I. Acid Blue 90; Disodium 4-[[2-(4-chlorophenyl)-1-isobutyl-4,6-dimethyl-3-indolyl]-(4-methoxy-3-methylaminophenyl)methylene]-3-oxo-1-cyclohexa-1,4-dienolate-2-sulphonate
EINECS	Contact for details

Quality Control

Our production of N-[4-[[2-(4-Chlorophenyl)-1-(2-methylpropyl)-4,6-dimethyl-1H-indol-3-yl](2-sulfonato-4-sodiosulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-4-methoxybenzenaminium adheres to stringent quality management protocols. Every batch is analyzed to ensure high purity and consistent performance, with testing typically including identification, assay, and impurity profile analysis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and compliance.

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 to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (Water)	Freely soluble

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