Description

2-Anthracenesulfonic Acid, 1-Amino-4-[[4-[[[(2,3-Dichloro- 6-Quinoxalinyl)Carbonyl]Methylamino]Methyl] -2-Sulfophenyl]Amino]-9,10-Dihydro-9,10-Dioxo-, Sodium Salt is a sophisticated, high-purity synthetic dye intermediate and specialty chemical. This compound is valued for its precise molecular structure, which imparts specific chromophoric and functional properties critical for advanced applications. It is primarily sought by manufacturers in the specialty dyes and pigments, analytical chemistry, and high-performance material research sectors.

Application

• Key Intermediate for Reactive Dyes: Used in the synthesis of high-value, color-fast reactive dyes for textiles, particularly for cellulose fibers like cotton and viscose.
• Functional Dye Manufacturing: Serves as a precursor for dyes used in specialized applications, including ink-jet printing, optical data storage, and liquid crystal displays (LCDs).
• Analytical Reagent: Employed as a chromogenic agent or a complexing ligand in analytical chemistry for the detection and quantification of metal ions or specific biomolecules.
• Research & Development: Utilized in academic and industrial R&D for developing new photonic materials, sensors, and organic electronic components.
• Specialty Pigments: Can be incorporated into the production of high-performance pigments for coatings, plastics, and automotive finishes requiring specific lightfastness and stability.

Basic Information

Product Name	2-Anthracenesulfonic Acid, 1-Amino-4-[[4-[[[(2,3-Dichloro- 6-Quinoxalinyl)Carbonyl]Methylamino]Methyl] -2-Sulfophenyl]Amino]-9,10-Dihydro-9,10-Dioxo-, Sodium Salt
CAS No.	72894-31-6
Molecular Formula	C31H20Cl2N5NaO9S2
Molecular Weight	764.54 g/mol
Synonyms	1-Amino-4-[[4-[[[(2,3-dichloro-6-quinoxalinyl)carbonyl]methylamino]methyl]-2-sulfophenyl]amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt; Reactive Blue 221 (C.I.); Sodium 1-amino-9,10-dioxo-4-[[4-[[(2,3-dichloro-6-quinoxalinyl)carbonyl]-methylamino]methyl]-2-sulfophenyl]amino]anthracene-2-sulfonate; C.I. 74179; Levafix Blue CA; Remazol Brilliant Blue R (related class); Anthraquinone Reactive Dye Intermediate; 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-9,10-dioxo-4-[[4-[[[(2,3-dichloro-6-quinoxalinyl)carbonyl]methylamino]methyl]-2-sulfophenyl]amino]-, sodium salt (1:1)
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Each lot is analyzed against stringent in-house specifications using advanced techniques like HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content (KF)	≤ 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.