Description

n-[4-[(2,5-Dichlorophenyl)[4-[n-Ethyl-n-(3-Sodiosulfobenzyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Ethyl-3-Sulfonatobenzenemethanaminium is a high-purity, water-soluble triarylmethane dye salt. This compound is valued for its intense color and stability, making it a critical component in specialized industrial applications. It is primarily sought by manufacturers in the textile, paper, and specialty ink sectors for its reliable performance as a colorant.

Application

• Textile Dyeing: Used as a key colorant for synthetic fibers, providing vibrant and wash-fast shades.
• Paper Coloring: Employed in the production of specialty colored papers and paper products.
• Ink Manufacturing: Serves as a pigment in the formulation of inks for various printing applications.
• Biological Staining: Potential use as a histological or cytological stain in laboratory settings.
• Indicator Dye: Can be utilized in chemical analysis and research as a pH or redox indicator.
• Industrial Colorant: Applied in the coloring of plastics, leather, and other non-food materials.

Basic Information

Product Name	n-[4-[(2,5-Dichlorophenyl)[4-[n-Ethyl-n-(3-Sodiosulfobenzyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Ethyl-3-Sulfonatobenzenemethanaminium
CAS No.	6362-40-9
Molecular Formula	C37H33Cl2N2NaO6S2
Molecular Weight	759.68 g/mol
Synonyms	Acid Blue 90; C.I. 42655; Benzenemethanaminium, N-[4-[(2,5-dichlorophenyl)[4-[ethyl(3-sulfobenzyl)amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-3-sulfo-, inner salt, sodium salt; Wool Fast Blue BL; Sodium (4-(N-ethyl-3-sulfobenzylamino)phenyl)(2,5-dichlorophenyl)methylene)-N-ethyl-3-sulfobenzyl-ammoniumate; 3-Sulfobenzenemethanaminium, N-[4-[(2,5-dichlorophenyl)[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, inner salt, sodium salt
EINECS	228-873-8

Quality Control

Our production of n-[4-[(2,5-Dichlorophenyl)[4-[n-Ethyl-n-(3-Sodiosulfobenzyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Ethyl-3-Sulfonatobenzenemethanaminium adheres to stringent quality protocols. Every batch is analyzed to ensure high purity and consistent color strength, meeting the specifications required for industrial dye applications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles 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 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 performance.

Specification

Item	Specification
Appearance	Dark blue to greenish-blue powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	95 - 105% of standard
Loss on Drying	≤ 5.0%
Water Solubility	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm

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