Description

Dimethyl[4-[[4-(Dimethylamino)Phenyl]Benzylidene]-2,5-Cyclohexadien-1-Ylidene]Ammonium Methyl Sulphate is a specialized cationic dye intermediate belonging to the triarylmethane class. This compound is valued for its intense color properties and its role as a key precursor in synthesizing high-performance dyes and pigments. It is primarily sought after by manufacturers in the textile, ink, and specialty coatings industries for producing vibrant, stable colorants.

Application

• Dye and Pigment Synthesis: A critical intermediate for manufacturing cationic triarylmethane dyes used in various applications.
• Textile Industry: Used in the production of dyes for coloring acrylic, nylon, and other synthetic fibers.
• Ink Manufacturing: Serves as a key component in formulating inks for digital, packaging, and security printing.
• Specialty Coatings: Employed in creating colored coatings for plastics, papers, and specialty surfaces.
• Biological Staining: Potential use as a precursor for histological stains in laboratory settings.
• Photographic Sensitizers: Can be utilized in the synthesis of photosensitive materials.
• Research & Development: Serves as a building block in organic synthesis and material science research.

Basic Information

Product Name	Dimethyl[4-[[4-(Dimethylamino)Phenyl]Benzylidene]-2,5-Cyclohexadien-1-Ylidene]Ammonium Methyl Sulphate
CAS No.	85204-56-4
Molecular Formula	C24H28N2O4S
Molecular Weight	440.56 g/mol
Synonyms	Basic Violet 1 Methyl Sulfate; Crystal Violet Methyl Sulfate; Gentian Violet Methyl Sulfate; Methylrosanilinium Methyl Sulfate; [4-[Bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-dimethylammonium methyl sulfate; C.I. 42535; Aizen Crystal Violet; Hexamethyl-p-rosaniline Methyl Sulfate
EINECS	286-331-1

Quality Control

Our production of Dimethyl[4-[[4-(Dimethylamino)Phenyl]Benzylidene]-2,5-Cyclohexadien-1-Ylidene]Ammonium Methyl Sulphate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. All materials undergo rigorous analytical testing, including HPLC for assay and impurity profiling. Certificates of Analysis (COA) documenting identity, purity, and related substances are provided with every shipment to support your quality assurance processes.

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). Keep away from incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Dark green to bronze crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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