Description

1,3,6-Naphthalenetrisulfonic Acid, 7-2-(Aminocarbonyl)Amino-4-4-Chloro-6-2-(2-Hydroxyethoxy)Ethylamino-1,3,5-Triazin-2-Ylaminophenylazo-, Trisodium Salt is a high-purity, water-soluble anionic dye intermediate of significant industrial importance. This compound is valued for its ability to impart strong, stable color and its reactivity as a functional chemical building block. It is primarily sought by manufacturers in the textile, specialty ink, and advanced material sectors for producing high-performance dyes and pigments.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-quality reactive dyes used in textile dyeing and printing, particularly for cotton and cellulose fibers.
• Functional Pigment Production: Used in the synthesis of pigments for inks, coatings, and plastics where specific color fastness and chemical stability are required.
• Biomedical Staining: Potential application as a specialized stain or marker in histological and cytological research due to its chromophoric and ionic properties.
• Analytical Chemistry: May serve as a standard or reagent in chromatographic analysis and other laboratory procedures for dye-related quality control.
• Photographic and Imaging Materials: Used in the formulation of light-sensitive layers for specialized photographic films and imaging papers.
• Liquid Crystal Display (LCD) Color Filters: A potential component in the production of color filters for electronic displays, contributing to color purity and brightness.

Basic Information

Product Name	1,3,6-Naphthalenetrisulfonic Acid, 7-2-(Aminocarbonyl)Amino-4-4-Chloro-6-2-(2-Hydroxyethoxy)Ethylamino-1,3,5-Triazin-2-Ylaminophenylazo-, Trisodium Salt
CAS No.	130201-53-5
Molecular Formula	C31H28ClN11Na3O13S3
Molecular Weight	~1000.2 g/mol (Contact for details)
Synonyms	7-[2-(Aminocarbonyl)amino]-4-[4-chloro-6-[2-(2-hydroxyethoxy)ethylamino]-1,3,5-triazin-2-yl]amino]phenylazo]-1,3,6-naphthalenetrisulfonic acid trisodium salt; Reactive Dye Intermediate; Azo Dye Intermediate; C.I. Reactive Black 5 Intermediate (related); Trisodium 7-[(4-[[4-chloro-6-[(2-hydroxyethoxy)ethylamino]-1,3,5-triazin-2-yl]amino]phenyl)azo]-8-hydroxy-1,3,6-naphthalenetrisulfonate; Naphthalene trisulfonic acid derivative; Chlorotriazinyl reactive dye precursor.
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing identity, purity, and related substances 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 black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Freely soluble
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.