Description

Diethyl[4-[[4-(Diethylamino)Phenyl]Phenylmethylene]-2,5-Cyclohexadien-1-Ylidene]Ammonium is a specialized cationic dye belonging to the triarylmethane class, known for its intense color and unique electronic properties. This compound is valued for its high molar absorptivity and strong chromophore, making it a critical component in advanced optical and electronic applications. It is primarily utilized by manufacturers and researchers in the photographic, dye laser, and non-linear optical materials industries, as well as in analytical chemistry as a sensitive staining agent.

Application

• Photographic Sensitizers: Used as a spectral sensitizer in silver halide photographic emulsions to extend light sensitivity into specific wavelength ranges.
• Laser Dyes: Serves as an active medium in tunable dye lasers, particularly for applications requiring specific emission profiles in the visible spectrum.
• Non-Linear Optical (NLO) Materials: A key chromophore for research and development of organic NLO materials used in photonics, optical switching, and frequency doubling.
• Analytical Staining: Employed as a cationic dye for staining biological tissues or specific substrates in microscopy and histology.
• Optical Data Storage: Investigated for use in write-once optical recording media due to its strong light absorption properties.
• Chemical Sensing: Utilized in the development of colorimetric and fluorometric sensors for detecting specific ions or molecules.

Basic Information

Product Name	Diethyl[4-[[4-(Diethylamino)Phenyl]Phenylmethylene]-2,5-Cyclohexadien-1-Ylidene]Ammonium
CAS No.	18198-35-1
Molecular Formula	C31H38N2
Molecular Weight	438.65 g/mol
Synonyms	Basic Violet 1 (C.I. 42535); Gentian Violet B; Methyl Violet 10B; Aniline Violet; Crystal Violet (related analog); Pararosaniline, N,N,N',N'-tetraethyl-; [4-[Bis(4-diethylaminophenyl)methylene]cyclohexa-2,5-dien-1-ylidene]diethylammonium
EINECS	Contact for details

Quality Control

Our production of this specialty dye adheres to strict quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including HPLC, UV-Vis spectroscopy, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to prevent degradation. Keep the container sealed to minimize contact with moisture and atmospheric contaminants.

Specification

Item	Specification
Appearance	Dark green crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
λmax (in solvent)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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