Description

n-Methyl-n-[4-[(4-Dimethylaminophenyl)[4-[(2,6-Dinitro-4-Sodiosulfophenyl)Amino]-2-Sulfonatophenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]Methanaminium is a specialized, high-purity organic dye intermediate with a complex triarylmethane structure. This compound is critical for producing vivid and stable colorants, offering exceptional tinctorial strength and light-fastness properties. It is primarily required by manufacturers in the dye and pigment, textile, and specialty ink industries for synthesizing advanced color formulations.

Application

• Primary Intermediate for Triarylmethane Dyes: Serves as a key building block in the synthesis of brilliant green, violet, and blue cationic dyes.
• Textile Dyeing and Printing: Used in the production of dyes for coloring acrylic, nylon, and other synthetic fibers.
• Specialty Ink Manufacturing: Essential for formulating high-performance inks used in security printing, jet inks, and toners.
• Biological Staining Reagents: Potential use in the preparation of histological stains for microscopy and diagnostic applications.
• Laser and Optical Materials: Investigated for applications in non-linear optics and as a dopant for tunable dye lasers due to its specific chromophore.
• Research & Development: Employed in chemical research for studying charge-transfer complexes and advanced organic synthesis pathways.

Basic Information

Product Name	n-Methyl-n-[4-[(4-Dimethylaminophenyl)[4-[(2,6-Dinitro-4-Sodiosulfophenyl)Amino]-2-Sulfonatophenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]Methanaminium
CAS No.	5905-35-1
Molecular Formula	C29H26N6Na2O11S2
Molecular Weight	744.66 g/mol
Synonyms	Basic Green 1, bis(4-dimethylaminophenyl)(4-[(2,6-dinitro-4-sulfophenyl)amino]-2-sulfonatophenyl)methylium inner salt, disodium salt; Brilliant Green (related sulfonated form); Victoria Green B; Malachite Green derivative; CI 42040; Aniline Green; Diamond Green B; Ethyl Green
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthesis processes. Quality is verified through advanced analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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 green to blue-black powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Water Content (Karl Fischer)	≤ 3.0%
Heavy Metals (as Pb)	≤ 20 ppm
Sulfated Ash	≤ 1.0%
Solubility (in Water)	Freely soluble, clear solution

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