Description

2,2'-[(9,10-Dihydro-5-Hydroxy-9,10-Dioxoanthracene-1,4-Diyl)Diimino]Bis[5-Methylbenzenesulfonic Acid Sodium] Salt is a high-purity, water-soluble anthraquinone derivative valued for its role as a key intermediate in the synthesis of specialized dyes and colorants. Its precise chemical structure enables the development of vibrant and stable hues, making it essential for demanding industrial applications. This product is primarily sought by manufacturers in the dye and pigment industries, as well as by research institutions focused on advanced material science.

Application

• Primary Intermediate for Anthraquinone Dyes: A crucial building block in the synthesis of high-performance acid dyes, disperse dyes, and reactive dyes.
• Specialty Pigment Manufacturing: Used in the production of pigments for plastics, coatings, and inks requiring excellent color fastness and thermal stability.
• Textile Dyeing: Serves as a precursor for dyes applied to nylon, wool, silk, and other synthetic fibers.
• Research & Development: Employed in chemical research for developing novel chromophores and functional materials.
• Analytical Chemistry: Potential use as a staining agent or indicator in specific analytical methodologies.
• Fine Chemical Synthesis: An intermediate for other complex organic molecules in pharmaceutical and agrochemical research.

Basic Information

Product Name	2,2'-[(9,10-Dihydro-5-Hydroxy-9,10-Dioxoanthracene-1,4-Diyl)Diimino]Bis[5-Methylbenzenesulfonic Acid Sodium] Salt
CAS No.	6424-97-1
Molecular Formula	C28H20N2Na2O10S2
Molecular Weight	662.57 g/mol
Synonyms	Acid Blue 324 (C.I. 61525); Sodium 2,2'-[(9,10-dihydro-5-hydroxy-9,10-dioxo-1,4-anthracenediyl)diimino]bis(5-methylbenzenesulfonate); 1,4-Bis[(2-sulfo-4-methylphenyl)amino]-9,10-dihydro-9,10-dioxo-5-hydroxyanthracene disodium salt; 5-Hydroxy-1,4-bis[(2-sulfo-4-methylphenyl)amino]anthraquinone disodium salt; Anthraquinone Blue 324; C.I. 61525; Disodium 5-hydroxy-1,4-bis[(2-sulfo-4-methylphenyl)amino]anthraquinone
EINECS	229-207-2

Quality Control

Our production of 2,2'-[(9,10-Dihydro-5-Hydroxy-9,10-Dioxoanthracene-1,4-Diyl)Diimino]Bis[5-Methylbenzenesulfonic Acid Sodium] Salt adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with every 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). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality 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
Sulfated Ash	Reported on COA

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