Description

Tetrasodium 2-[[(2,3-Dichloro-6-Quinoxalinyl)Carbonyl]Amino]-5-Hydroxy-6-[(4-Methoxy-2,5-Disulphonatophenyl)Azo]Naphthalene-1,7-Disulphonate is a high-purity, water-soluble reactive dye intermediate and specialty chemical. This compound is valued for its ability to impart specific color properties and act as a key building block in the synthesis of complex dyes and pigments. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries for producing high-performance colorants.

Application

• Reactive Dye Synthesis: A critical intermediate for manufacturing high-quality reactive dyes used in textile dyeing and printing, particularly for cotton and other cellulosic fibers.
• Pigment Manufacturing: Used in the production of high-performance organic pigments for inks, plastics, and coatings that require excellent color strength and stability.
• Specialty Ink Formulation: Serves as a key component in formulating specialty inks, including those for digital textile printing and security applications.
• Research & Development: Employed in chemical R&D laboratories for developing novel chromophores and studying azo dye chemistry and photophysical properties.
• Analytical Chemistry: Can be used as a standard or reagent in analytical methods for dye quantification and quality control in industrial settings.

Basic Information

Item	Detail
Product Name	Tetrasodium 2-[[(2,3-Dichloro-6-Quinoxalinyl)Carbonyl]Amino]-5-Hydroxy-6-[(4-Methoxy-2,5-Disulphonatophenyl)Azo]Naphthalene-1,7-Disulphonate
CAS No.	83400-19-5
Molecular Formula	C32H16Cl2N6Na4O16S4
Molecular Weight	Contact for details
Synonyms	Reactive Black 5 Intermediate; Tetrasodium 1,7-Disulfo-5-hydroxy-6-[(4-methoxy-2,5-disulfophenyl)azo]-2-[[(2,3-dichloro-6-quinoxalinyl)carbonyl]amino]naphthalene; C.I. Reactive Black 5 precursor; 2-[[(2,3-Dichloro-6-quinoxalinyl)carbonyl]amino]-5-hydroxy-6-[(4-methoxy-2,5-disulphonatophenyl)azo]naphthalene-1,7-disulphonic acid tetrasodium salt; Azo Quinoxaline Dye Intermediate; Tetrasodium 6-[(4-Methoxy-2,5-disulfophenyl)azo]-5-hydroxy-2-[[(2,3-dichloro-6-quinoxalinyl)carbonyl]amino]-1,7-naphthalenedisulfonate
EINECS	Contact for details

Quality Control

Our Tetrasodium 2-[[(2,3-Dichloro-6-Quinoxalinyl)Carbonyl]Amino]-5-Hydroxy-6-[(4-Methoxy-2,5-Disulphonatophenyl)Azo]Naphthalene-1,7-Disulphonate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing including HPLC for purity, spectrophotometry for color value, and wet chemistry methods to ensure it meets precise specifications for dye intermediate applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed when not in use to prevent absorption of atmospheric moisture and degradation.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Solubility (in Water)	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm

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