Description

Disodium 4,4'-Iminobis[1-Amino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate] is a high-purity, water-soluble anthraquinone derivative valued for its vibrant color and functional properties. This compound is engineered to deliver consistent performance and reliability for demanding industrial applications. It is primarily utilized in the production of specialty dyes and pigments, serving manufacturers in the textile, ink, and advanced materials sectors who require precise colorants and intermediates.

Application

• Textile Dyeing: As a key intermediate for synthesizing high-grade, wash-fast anthraquinone dyes for natural and synthetic fibers.
• Inkjet and Printing Inks: Used in the formulation of specialty inks where color strength, solubility, and stability are critical.
• Functional Dyes: Serves as a precursor for dyes used in optical data storage, liquid crystal displays (LCDs), and other high-tech applications.
• Research & Development: Employed as a standard or building block in organic synthesis and material science research.
• Paper Coloring: Suitable for high-quality paper products requiring specific, stable colorants.
• Analytical Chemistry: Can be used as a reagent or standard in specific chromatographic or spectroscopic analyses.

Basic Information

Product Name	Disodium 4,4'-Iminobis[1-Amino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate]
CAS No.	85959-20-2
Molecular Formula	C30H16N2Na2O10S2
Molecular Weight	666.53 g/mol
Synonyms	4,4'-Iminobis[1-amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid] disodium salt; Disodium 4,4'-iminobis(1-aminoanthraquinone-2-sulfonate); C.I. 62045; Acid Blue 324 (related class); Anthraquinone Blue; 1-Amino-4-[(4-amino-9,10-dihydro-9,10-dioxo-1-anthryl)amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid disodium salt; 1,1'-Iminodianthraquinone derivative
EINECS	Contact for details

Quality Control

Our production of Disodium 4,4'-Iminobis[1-Amino-9,10-Dihydro-9,10-Dioxoanthracene-2-Sulphonate] adheres to stringent quality management protocols. Every batch is analyzed to ensure it meets precise chemical and physical specifications, including identity, purity, and color strength. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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