Description

Trisodium α-(4-Hydroxy-3-Sulphonatophenyl)-α-(4-Oxo-3-Sulphonatocyclohexa-2,5-Dienylidene)-α-Toluate is a high-purity, water-soluble organic salt primarily used as a key intermediate in the synthesis of advanced colorants and functional dyes. Its complex molecular structure, featuring multiple sulphonate groups, provides excellent solubility and binding properties critical for consistent performance in demanding formulations. This compound is essential for manufacturers in the specialty chemicals, dye and pigment, and pharmaceutical intermediate sectors seeking reliable quality and supply chain stability for their production processes.

Application

• Specialty Dye & Pigment Synthesis: A crucial precursor for manufacturing high-value, water-soluble azo dyes and pigments used in textiles, inks, and coatings.
• Functional Colorant Intermediates: Serves as a building block for creating colorants with specific properties like light-fastness or thermal stability for plastics and polymers.
• Biomedical Staining Agents: Used in the research and development of diagnostic dyes and histological stains due to its chromophoric structure.
• Photographic Chemicals: Acts as an intermediate in the production of certain light-sensitive compounds and color couplers for photographic films and papers.
• Analytical Reagents: Employed in the formulation of specialized reagents and indicators for chemical analysis and laboratory testing.
• Liquid Crystal Display (LCD) Materials: Potential use as an intermediate in the synthesis of dyes for color filters in display technologies.

Basic Information

Product Name	Trisodium α-(4-Hydroxy-3-Sulphonatophenyl)-α-(4-Oxo-3-Sulphonatocyclohexa-2,5-Dienylidene)-α-Toluate
CAS No.	62609-87-4
Molecular Formula	C20H11Na3O11S2
Molecular Weight	560.39 g/mol
Synonyms	Trisodium 2-(4-Hydroxy-3-sulfonatophenyl)-2-(4-oxo-3-sulfonatocyclohexa-2,5-dien-1-ylidene)acetate; Trisodium 2-(4-Hydroxy-3-sulfophenyl)-2-(4-oxo-3-sulfocyclohexa-2,5-dien-1-ylidene)acetate; Benzenepropanoic acid, α-(4-hydroxy-3-sulfophenyl)-α-(4-oxo-3-sulfo-2,5-cyclohexadien-1-ylidene)-, trisodium salt; Trisodium α-(4-Hydroxy-3-sulfophenyl)-α-(4-oxo-3-sulfo-2,5-cyclohexadien-1-ylidene)toluate; Trisulphonated Quinone Methide Derivative; Azo Dye Intermediate 62609-87-4; Water-Soluble Dye Precursor
EINECS	Contact for details

Quality Control

Our production of Trisodium α-(4-Hydroxy-3-Sulphonatophenyl)-α-(4-Oxo-3-Sulphonatocyclohexa-2,5-Dienylidene)-α-Toluate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent lot-to-lot reliability. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which may affect product quality and handling properties.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulphated Ash	25.0% - 35.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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