Description

Disodium 4,4'-[(9,10-Dihydro-4-Hydroxy-9,10-Dioxo-1,3-Anthrylene)Diimino]Bis(Benzenesulphonate) is a high-purity, water-soluble anthraquinone derivative dye intermediate. This compound is valued for its role in synthesizing specialized dyes and pigments with excellent color fastness and light stability. It is primarily sought by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance colorants.

Application

• Textile Dye Intermediate: A key precursor for synthesizing reactive and acid dyes used in coloring natural and synthetic fibers.
• Inkjet Ink Formulation: Used in the production of high-quality, lightfast colorants for industrial and photographic-grade inks.
• Functional Dye Synthesis: Serves as a building block for dyes used in optical data storage, liquid crystal displays (LCDs), and other electronic applications.
• Biological Staining Agent: Potential use as an intermediate for developing histological stains and diagnostic reagents in life sciences.
• Photographic Sensitizer: Can be utilized in the synthesis of sensitizing dyes for silver halide photographic materials.
• Research & Development: Employed in academic and industrial R&D for exploring novel chromophores and advanced material properties.

Basic Information

Item	Details
Product Name	Disodium 4,4'-[(9,10-Dihydro-4-Hydroxy-9,10-Dioxo-1,3-Anthrylene)Diimino]Bis(Benzenesulphonate)
CAS No.	85455-48-7
Molecular Formula	C28H16N2Na2O10S2
Molecular Weight	642.53 g/mol
Synonyms	Disodium 4,4'-[(9,10-Dihydro-4-hydroxy-9,10-dioxo-1,3-anthrylene)diimino]bis(benzenesulfonate); 1,3-Bis[(4-sulfophenyl)amino]-4-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid disodium salt; Acid Blue 324; C.I. 61515; Reactive Blue 4 (related precursor); Anthraquinone Blue Dye Intermediate; 4-Hydroxy-1,3-bis[(4-sulfophenyl)amino]anthraquinone-2-sulfonic acid disodium salt
EINECS	Contact for details

Quality Control

Our production of Disodium 4,4'-[(9,10-Dihydro-4-Hydroxy-9,10-Dioxo-1,3-Anthrylene)Diimino]Bis(Benzenesulphonate) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistent performance and batch-to-batch reliability. Certificates of Analysis (COA) detailing all specifications are provided and available upon request.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (1% in Water)	Complete, clear solution

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