Description

[4-[[4-(Diethylamino)Phenyl]Phenylmethylene]-2,5-Cyclohexadien-1-Ylidene]Diethylammonium Acetate is a high-purity cationic dye salt belonging to the triarylmethane class, valued for its intense color properties and chemical stability. This compound is essential for applications requiring a deep, vivid hue and reliable performance in specialized formulations. It is primarily sought by manufacturers in the dyes and pigments, specialty inks, and advanced material research sectors.

Application

• As a key colorant in the production of specialty inks for security printing and high-resolution imaging.
• Manufacture of cationic dyes for coloring synthetic fibers like modified acrylics and polyesters.
• Formulation component in biological stains and histological dyes for laboratory diagnostics.
• Use as a photosensitizer or optical material in research and development of photonic devices.
• Intermediate in the synthesis of more complex triarylmethane derivatives for various industrial applications.
• Potential application in the development of indicator dyes for chemical sensing and analytical chemistry.

Basic Information

Item	Details
Product Name	[4-[[4-(Diethylamino)Phenyl]Phenylmethylene]-2,5-Cyclohexadien-1-Ylidene]Diethylammonium Acetate
CAS No.	76994-37-1
Molecular Formula	C33H41N2O2+ • C2H3O2-
Molecular Weight	524.70 g/mol (for the acetate salt)
Synonyms	Basic Violet 3 Acetate; C.I. 42555 Acetate; Gentian Violet Acetate; Methyl Violet 10B Acetate; Aniline Violet Acetate; Crystal Violet Acetate (related analog); [4-[Bis[4-(diethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-diethylammonium acetate; Pararosaniline, N,N,N',N',N'',N''-hexaethyl-, acetate
EINECS	Contact for details

Quality Control

Our production of [4-[[4-(Diethylamino)Phenyl]Phenylmethylene]-2,5-Cyclohexadien-1-Ylidene]Diethylammonium Acetate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications for identity, strength, and impurity profiles. Certificates of Analysis (COA) documenting results from advanced analytical techniques are 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). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Dark green to violet crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 2.0%
Solubility	Soluble in ethanol, methanol; slightly soluble in water

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