Description

2,2'-[(5,6-Dihydroxy-9,10-Dihydro-9,10-Dioxoanthracene-1,4-Diyl)Diimino]Bis[5-Methylbenzenesulfonic Acid Sodium] Salt is a high-purity, water-soluble anthraquinone derivative valued for its strong chromophoric and complexing properties. This compound is critical for applications requiring precise color formation and metal ion interaction. It is primarily sought by manufacturers in the dyes and pigments, analytical chemistry, and specialty chemical synthesis sectors.

Application

• Dye and Pigment Intermediate: Serves as a key precursor for the synthesis of acid dyes, reactive dyes, and high-performance pigments, particularly for textiles and inks.
• Analytical Reagent: Used as a colorimetric indicator or a complexing agent in analytical methods for the detection and quantification of specific metal ions.
• Chemical Synthesis: Acts as a functionalized building block in organic synthesis, leveraging its dihydroxy and diimino groups for creating more complex molecular architectures.
• Research & Development: Employed in laboratory-scale research for developing new materials, sensors, or catalytic systems.
• Specialty Coatings: Potential use in formulating functional coatings where specific optical or chelating properties are required.

Basic Information

Product Name	2,2'-[(5,6-Dihydroxy-9,10-Dihydro-9,10-Dioxoanthracene-1,4-Diyl)Diimino]Bis[5-Methylbenzenesulfonic Acid Sodium] Salt
CAS No.	6425-03-2
Molecular Formula	C34H24N2O12S2Na2
Molecular Weight	770.66 g/mol
Synonyms	Acid Blue 45 (sodium salt); C.I. 63010; 1,4-Bis[(2-sulfo-4-methylphenyl)amino]-5,6-dihydroxy-9,10-dihydro-9,10-dioxoanthracene disodium salt; 2,2'-[(5,6-Dihydroxy-9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis(5-methylbenzenesulfonic acid) disodium salt; Disodium 1,4-bis[(2-sulfo-4-methylphenyl)amino]-5,6-dihydroxyanthraquinone; Anthraquinone Blue AS; Mordant Blue 1 related compound.
EINECS	229-188-7

Quality Control

Our production of 2,2'-[(5,6-Dihydroxy-9,10-Dihydro-9,10-Dioxoanthracene-1,4-Diyl)Diimino]Bis[5-Methylbenzenesulfonic Acid Sodium] Salt adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistent performance and specification compliance. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment.

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 handling properties.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	Reported on COA

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