Description

2-[(4-Amino-9,10-Dihydro-9,10-Dioxo-3-Sulphoanthracen-1-Yl)Amino]-4-[[2-(Sulphooxy)Ethyl]Sulphonyl]Benzoic Acid, Potassium Sodium Salt is a high-purity, water-soluble anthraquinone derivative, primarily valued for its role as a key intermediate in the synthesis of specialized dyes and pigments. Its complex molecular structure, featuring multiple sulphonic acid groups, provides excellent solubility and chromophoric properties essential for high-performance colorants. This compound is critical for manufacturers in the textile, ink, and specialty chemical industries seeking to produce vivid, stable, and application-specific dyes.

Application

• Primary Intermediate for Reactive Dyes: A crucial building block in the synthesis of high-quality reactive dyes for cotton and other cellulosic fibers.
• Specialty Pigment Manufacturing: Used in the production of high-performance organic pigments for inks, coatings, and plastics requiring specific color fastness and stability.
• Textile Dyeing Auxiliary: Functions as an intermediate for dyes that offer excellent wash and light fastness in textile applications.
• Functional Dye Synthesis: Serves as a precursor for dyes used in non-textile applications, such as lasers, optical data storage, and sensitizers.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Industrial Ink Formulation: An intermediate for colorants used in jet printing inks and other specialty printing applications.

Basic Information

Product Name	2-[(4-Amino-9,10-Dihydro-9,10-Dioxo-3-Sulphoanthracen-1-Yl)Amino]-4-[[2-(Sulphooxy)Ethyl]Sulphonyl]Benzoic Acid, Potassium Sodium Salt
CAS No.	85940-62-1
Molecular Formula	C23H16KNaN2O13S3
Molecular Weight	710.68 g/mol (approx.)
Synonyms	Benzoic acid, 2-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino]-4-[[2-(sulfooxy)ethyl]sulfonyl]-, potassium sodium salt; Potassium sodium 2-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulfoanthracen-1-yl)amino]-4-[(2-sulfooxyethyl)sulfonyl]benzoate; Reactive Dye Intermediate; Anthraquinone dye intermediate; Acid Blue 25 related intermediate; 1-Amino-4-[(4-aminophenyl)amino]-9,10-dihydro-9,10-dioxo-3-anthracenesulfonic acid derivative; CI 62055 intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Quality is verified through comprehensive analytical techniques including HPLC, FT-IR, and elemental analysis. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, impurity profile, and moisture content to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, 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%
Moisture (KF Titration)	≤ 5.0%
Solubility (1% in Water)	Complete, clear solution
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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