Description

Disodium [9,10-Dihydro-4-Hydroxy-9,10-Dioxo-1,3-Anthrylenebis(Imino)]Bis(Benzenesulphonate) is a high-purity, water-soluble anthraquinone derivative valued for its strong chromophoric properties and chemical stability. This compound is essential for applications requiring a precise and durable colorant or functional dye intermediate. It is primarily sought by manufacturers in the textile, specialty ink, and advanced material coating industries for its performance in demanding formulations.

Application

• Textile Dyeing: Used as a key intermediate in the synthesis of high-grade, colorfast reactive and acid dyes for natural and synthetic fibers.
• Specialty Inks: Serves as a functional pigment or dye component in high-performance inks for security printing, packaging, and digital applications.
• Functional Coatings: Incorporated into coatings and films where specific light absorption or color properties are required for optical or protective layers.
• Analytical Chemistry: Potential use as a staining agent or chromogenic substrate in biochemical assays and diagnostic kits.
• Photographic Sensitizers: Can be utilized in the formulation of light-sensitive layers for specialized photographic and imaging materials.
• Research & Development: Employed as a building block in organic synthesis and material science research for novel chromophores and functional molecules.

Basic Information

Item	Details
Product Name	Disodium [9,10-Dihydro-4-Hydroxy-9,10-Dioxo-1,3-Anthrylenebis(Imino)]Bis(Benzenesulphonate)
CAS No.	93941-71-0
Molecular Formula	C28H16N2Na2O11S2
Molecular Weight	666.53 g/mol
Synonyms	Acid Blue 324; C.I. 62125; Disodium 4,4'-[9,10-Dihydro-4-hydroxy-9,10-dioxo-1,3-anthracenediyl]di(imino)bis(benzenesulfonate); 1,3-Bis[(4-sulfophenyl)amino]-4-hydroxy-9,10-anthraquinone disodium salt; 4-Hydroxy-1,3-bis[(4-sulfophenyl)amino]-9,10-anthraquinone disodium salt; Anthraquinone Blue 324; C.I. Acid Blue 324
EINECS	Contact for details

Quality Control

Every batch of Disodium [9,10-Dihydro-4-Hydroxy-9,10-Dioxo-1,3-Anthrylenebis(Imino)]Bis(Benzenesulphonate) is produced under a strict quality management system. We conduct comprehensive in-process and final testing to ensure consistent purity, color strength, and chemical identity. A detailed Certificate of Analysis (COA) documenting key specifications is provided with each shipment to guarantee compliance with your technical requirements.

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.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	6.0 - 8.0

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