Description

[[4-[(4-Aminophenyl)(4-Iminocyclohexa-2,5-Dien-1-Ylidene)Methyl]Phenyl]Amino]Benzenesulphonic Acid is a specialized organic compound featuring a complex triarylmethane structure with amino and sulphonic acid functional groups. This compound matters as a versatile chemical intermediate and chromophore precursor, enabling the synthesis of advanced dyes, pigments, and functional materials. It is primarily needed by manufacturers in the fine chemicals, specialty dyes, and research and development sectors.

Application

• Key Intermediate for Dye Synthesis: Serves as a critical building block in the production of triarylmethane and related cationic dyes.
• Specialty Pigment Manufacturing: Used in the development of high-performance pigments for inks, coatings, and plastics.
• Functional Material Research: Investigated as a precursor for organic semiconductors, photochromic materials, and nonlinear optical (NLO) compounds.
• Analytical Chemistry Reagent: Potential use as a staining agent or a component in colorimetric detection systems.
• Pharmaceutical Intermediate: May be utilized in the synthesis of certain active pharmaceutical ingredients (APIs) or diagnostic agents.
• Academic & Industrial R&D: Employed in chemical research for studying charge-transfer complexes and advanced organic synthesis pathways.

Basic Information

Product Name	[[4-[(4-Aminophenyl)(4-Iminocyclohexa-2,5-Dien-1-Ylidene)Methyl]Phenyl]Amino]Benzenesulphonic Acid
CAS No.	68966-37-0
Molecular Formula	C25H21N3O3S
Molecular Weight	443.52 g/mol
Synonyms	4-[(4-Aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl]phenyl]amino]benzenesulfonic acid; Benzenesulfonic acid, [[4-[(4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl]phenyl]amino]-; 4,4'-((4-Iminocyclohexa-2,5-dien-1-ylidene)methylene)bis(aniline) sulfonic acid derivative; Leuco base sulfonic acid derivative; Triarylmethane dye intermediate; Sulfonated leuco compound; CAS 68966-37-0
EINECS	Contact for details

Quality Control

Our production of [[4-[(4-Aminophenyl)(4-Iminocyclohexa-2,5-Dien-1-Ylidene)Methyl]Phenyl]Amino]Benzenesulphonic Acid adheres to stringent quality protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) upon request, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality system is designed to meet the exacting standards of fine chemical and research-grade material supply.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystalline solid
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)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%
Solubility	Soluble in alkaline aqueous solutions; sparingly soluble in water

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