Description

2-[[4-Chloro-6-[[8-Hydroxy-3,6-Disulpho-7-[(1-Sulpho-2-Naphthyl)Azo]-1-Naphthyl]Amino]-1,3,5-Triazin-2-Yl]Amino]-5-Sulphobenzoic Acid is a high-purity, polyfunctional azo dye intermediate of significant industrial importance. Its complex molecular structure, featuring multiple sulphonic acid groups and a reactive triazine ring, makes it a versatile precursor for synthesizing specialized dyes and pigments. This compound is essential for manufacturers requiring precise color properties and enhanced fastness in their final products.

Application

• Reactive Dye Synthesis: Primary intermediate for manufacturing high-grade reactive dyes for textiles, particularly for cotton and cellulose fibers.
• Acid Dye Production: Used in the synthesis of acid dyes for wool, silk, and nylon, providing excellent wash and light fastness.
• Specialty Pigments: Serves as a key building block for creating complex organic pigments used in inks, coatings, and plastics.
• Laboratory Research: Employed in R&D for developing new chromophores and studying azo dye chemistry and applications.
• Functional Material Development: Investigated for use in advanced materials where its sulphonic acid groups can impart specific ionic or hydrophilic properties.

Basic Information

Product Name	2-[[4-Chloro-6-[[8-Hydroxy-3,6-Disulpho-7-[(1-Sulpho-2-Naphthyl)Azo]-1-Naphthyl]Amino]-1,3,5-Triazin-2-Yl]Amino]-5-Sulphobenzoic Acid
CAS No.	93919-17-6
Molecular Formula	C30H17ClN8O15S4
Molecular Weight	925.20 g/mol
Synonyms	Benzoic acid, 2-[[4-chloro-6-[[8-hydroxy-3,6-disulfo-7-[(1-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]amino]-1,3,5-triazin-2-yl]amino]-5-sulfo-; C.I. Reactive Red 238 intermediate; Polyfunctional azo-triazine dye intermediate; Reactive dye precursor 93919-17-6; 5-Sulphobenzoic acid azo-triazine derivative; Tetrasulphonated azo dye intermediate; Azo dye intermediate CAS 93919-17-6
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and purity for downstream synthesis. Quality is verified through comprehensive analytical methods including HPLC, UV-Vis, and titration. A Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect purity and handling properties.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture (KF Titration)	≤ 5.0%
Sulphated Ash	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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