Description

Trisodium 5-[[(2,3-Dichloro-6-Quinoxalinyl)Carbonyl]Amino]-4-Hydroxy-3-[(2-Sulphonatophenyl)Azo]Naphthalene-2,7-Disulphonate is a high-purity, water-soluble synthetic organic dye belonging to the class of azo-quinoxaline derivatives. This compound is engineered for exceptional color strength and stability, making it a critical component for demanding technical applications where performance is non-negotiable. It is primarily sought after by manufacturers in the textile, specialty ink, and advanced material coating industries for its robust chromophoric properties.

Application

• Textile Dyeing: Used as a key dye for synthetic fibers like polyamide and silk, offering excellent wash and light fastness.
• Specialty Inks: A vital pigment for high-performance inks, including those for security printing, textiles, and industrial marking.
• Advanced Material Coatings: Incorporated into coatings for plastics, papers, and other substrates to provide durable and vibrant coloration.
• Biological Staining: Potential use as a specialized stain in histology and microscopy due to its specific chromophore structure.
• Research & Development: Serves as a chemical intermediate or reference standard in the synthesis of novel dyes and functional materials.
• Functional Dye Applications: Explored for use in light-harvesting systems, sensors, and other optoelectronic devices.

Basic Information

Item	Detail
Product Name	Trisodium 5-[[(2,3-Dichloro-6-Quinoxalinyl)Carbonyl]Amino]-4-Hydroxy-3-[(2-Sulphonatophenyl)Azo]Naphthalene-2,7-Disulphonate
CAS No.	2407-13-8
Molecular Formula	C31H15Cl2N6Na3O12S3
Molecular Weight	915.52 g/mol
Synonyms	Acid Blue 161; C.I. 15705; Trisodium 5-[(2,3-dichloro-6-quinoxalinyl)carbonylamino]-4-hydroxy-3-[(2-sulfophenyl)azo]naphthalene-2,7-disulfonate; 5-[[(2,3-Dichloro-6-quinoxalinyl)carbonyl]amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt; C.I. Acid Blue 161; Acid Blue 161, trisodium salt; Lissamine Blue B; D&C Blue No. 9 (related).
EINECS	Contact for details

Quality Control

Our production of Trisodium 5-[[(2,3-Dichloro-6-Quinoxalinyl)Carbonyl]Amino]-4-Hydroxy-3-[(2-Sulphonatophenyl)Azo]Naphthalene-2,7-Disulphonate adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity, spectrophotometry for color value, and tests for heavy metal content and insoluble matter. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to ensure traceability and compliance with your quality 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). Keep away from strong oxidizing agents. The product is hygroscopic; ensure the container is sealed after each use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Dark blue to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 3% (vs. Standard)
Water Solubility	Clear solution at 1% w/v
Loss on Drying	≤ 5.0%
Sulfated Ash	28.0 - 32.0%
Heavy Metals (as Pb)	≤ 20 ppm

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