Description

n-[4-[[4-(Dimethylamino)Phenyl]Phenylmethylene]-2,5-Cyclohexadien-1-Ylidene]-n-(3-Sulfonatobenzyl)-3-Sodiosulfobenzenemethanaminium is a high-purity, water-soluble cationic dye belonging to the triarylmethane class, known for its intense color and excellent substantivity. This compound is valued for its strong affinity to negatively charged substrates, making it a critical component in specialized staining and coloration processes. It is primarily utilized in research, diagnostic applications, and the production of specialized inks and dyes for the life sciences and analytical chemistry sectors.

Application

• Biological Staining: Used as a vital stain in microscopy for visualizing cellular and tissue structures in histology and cytology.
• Diagnostic Reagents: A key component in the formulation of diagnostic kits and reagents for clinical and research laboratories.
• Inkjet Inks: Serves as a colorant in the formulation of specialized inks for biomedical printing and analytical devices.
• Textile Dyeing: Employed in the dyeing of protein-based fibers like silk and wool due to its cationic nature.
• Indicator Chemistry: Can be used in the development of pH indicators or other chemical sensors based on color change.
• Paper Coloring: Applied in the tinting of specialty papers, including filter papers and laboratory-grade papers.
• Photographic Sensitizers: Used in certain photographic and photochemical applications as a spectral sensitizer.
• Research & Development: A valuable chemical intermediate and reference standard in synthetic organic chemistry and dye research.

Basic Information

Product Name	n-[4-[[4-(Dimethylamino)Phenyl]Phenylmethylene]-2,5-Cyclohexadien-1-Ylidene]-n-(3-Sulfonatobenzyl)-3-Sodiosulfobenzenemethanaminium
CAS No.	6826-45-5
Molecular Formula	C35H31N2Na2O6S2
Molecular Weight	684.73 g/mol
Synonyms	Acid Blue 119; C.I. 42760; Benzenemethanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-(3-sulfobenzyl)-3-sulfo-, disodium salt; Disodium 4-({4-[bis(3-sulfonatobenzyl)amino]phenyl}(4-dimethylaminophenyl)methylene)cyclohexa-2,5-dien-1-ylidene)(3-sulfonatobenzyl)ammonium; Aniline Blue WS; Methyl Blue (related but distinct); CI 42760; Triphenylmethane dye, sulfonated.
EINECS	229-902-3

Quality Control

Our n-[4-[[4-(Dimethylamino)Phenyl]Phenylmethylene]-2,5-Cyclohexadien-1-Ylidene]-n-(3-Sulfonatobenzyl)-3-Sodiosulfobenzenemethanaminium is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, spectrophotometry for color strength, and tests for heavy metals and residual solvents to ensure it meets the stringent requirements for research and diagnostic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and compliance with relevant specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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 purity and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark blue to greenish-blue powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Value (Spectrophotometry)	≥ 90% of standard
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines
Water Solubility	Completely soluble

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