Description

6-Amino-5-[[5-[(5-Chloro-2,6-Difluoro-4-Pyrimidinyl)Amino]-2-Sulphophenyl]Azo]Naphthalene-1-Sulphonic Acid, Sodium Salt is a high-purity, water-soluble azo dye intermediate with a complex, functionalized molecular structure. This compound is valued for its role as a critical building block in the synthesis of specialized dyes and pigments, offering precise color properties and stability. It is primarily required by manufacturers in the fine chemical, textile dye, and advanced materials sectors seeking to develop high-performance colorants.

Application

• Primary Intermediate for Reactive Dyes: A key precursor in the manufacture of high-grade reactive dyes for cotton and cellulose fiber dyeing and printing.
• Specialty Pigment Synthesis: Used in the production of complex organic pigments for inks, coatings, and plastics requiring specific chromaticity and lightfastness.
• Biomolecular Staining Agents: Serves as a starting material for synthesizing specialized stains and fluorescent probes used in biological research and diagnostics.
• Functional Dye Manufacturing: Employed in creating dyes for non-textile applications such as laser dyes, optical data storage, and photoresist materials.
• Chemical Research & Development: Utilized as a sophisticated building block in organic synthesis and pharmaceutical research for novel compound development.

Basic Information

Item	Details
Product Name	6-Amino-5-[[5-[(5-Chloro-2,6-Difluoro-4-Pyrimidinyl)Amino]-2-Sulphophenyl]Azo]Naphthalene-1-Sulphonic Acid, Sodium Salt
CAS No.	83399-73-9
Molecular Formula	C21H12ClF2N7O6S2Na
Molecular Weight	637.94 g/mol
Synonyms	Acid Red 337 (sodium salt); C.I. 17200; Sodium 6-amino-5-{[5-((5-chloro-2,6-difluoropyrimidin-4-yl)amino)-2-sulfophenyl]diazenyl}naphthalene-1-sulfonate; 6-Amino-5-({5-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]-2-sulfophenyl}diazenyl)naphthalene-1-sulfonic acid sodium salt; Reactive Red Dye Intermediate; Azo Dye Intermediate 83399-73-9
EINECS	Contact for details

Quality Control

Our production of 6-Amino-5-[[5-[(5-Chloro-2,6-Difluoro-4-Pyrimidinyl)Amino]-2-Sulphophenyl]Azo]Naphthalene-1-Sulphonic Acid, Sodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided and available upon request.

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 (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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