Description

n-[4-[Bis[4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadiene-1-Ylidene]-n-Methylmethanaminium 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 material science and analytical chemistry. It is primarily sought by manufacturers and researchers in the photographic, optical data storage, and specialty chemical synthesis sectors for developing light-sensitive systems and functional dyes.

Application

• Photographic Sensitizers: Acts as a key sensitizing dye in silver halide photographic films and plates.
• Optical Data Storage Media: Used in the formulation of recordable CDs, DVDs, and other optical disks due to its light-absorbing properties.
• Laser Dyes & Nonlinear Optics: Employed in the development of tunable laser dyes and materials for nonlinear optical applications.
• Analytical Chemistry Reagents: Serves as a staining agent or indicator in various spectroscopic and chromatographic analytical methods.
• Specialty Ink & Pigment Production: A precursor or active component in manufacturing high-performance inks and pigments.
• Electrochromic Devices: Investigated for use in smart windows and displays due to its reversible color change upon electrochemical stimulation.

Basic Information

Product Name	n-[4-[Bis[4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadiene-1-Ylidene]-n-Methylmethanaminium
CAS No.	7438-46-2
Molecular Formula	C25H30N3+
Molecular Weight	372.53 g/mol
Synonyms	Victoria Blue B; Basic Blue 26; C.I. 44045; [4-[Bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-dimethylammonium chloride (common salt form); N-[4-[Bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methylmethanaminium; Astra Blue; Brilliant Blue B
EINECS	231-110-7

Quality Control

Our production of n-[4-[Bis[4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadiene-1-Ylidene]-n-Methylmethanaminium adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC and spectrophotometry to verify identity, strength, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications 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, 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 performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Specific Absorptivity	Contact for details

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