Description

7-[[[[4-Acetamidophenyl]Amino]Carbonyl]Amino]-4-Hydroxynaphthalene-2-Sulphonic Acid is a specialized organic intermediate featuring a naphthalene core functionalized with sulphonic acid, hydroxyl, and urea-linked acetamidophenyl groups. This unique molecular architecture makes it a valuable building block for synthesizing complex dyes, pigments, and functional materials where specific light absorption and chemical binding properties are required. It is primarily sought by manufacturers in the fine chemical, specialty dye, and advanced material research sectors for developing high-performance colorants and chemical sensors.

Application

• Key Intermediate for Azo Dyes & Pigments: Serves as a crucial coupling component in the synthesis of high-value, complex azo dyes, particularly for textiles, inks, and specialty coatings.
• Functional Material Synthesis: Used in research and development of advanced organic materials, including optical sensors and non-linear optical (NLO) materials, due to its conjugated system and functional groups.
• Biochemical Research Reagent: Acts as a specialized intermediate or substrate in biochemical research for studying enzyme interactions or developing diagnostic markers.
• Liquid Crystal & Display Technology: Potential application as a synthetic precursor for dyes used in liquid crystal displays (LCDs) and other electronic visual technologies.
• Analytical Chemistry Standard: Can be utilized as a high-purity reference standard in chromatographic analysis and quality control for related chemical processes.

Basic Information

Item	Details
Product Name	7-[[[[4-Acetamidophenyl]Amino]Carbonyl]Amino]-4-Hydroxynaphthalene-2-Sulphonic Acid
CAS No.	6483-83-6
Molecular Formula	C19H17N3O6S
Molecular Weight	415.42 g/mol
Synonyms	7-[(4'-Acetamidophenyl)ureido]-4-hydroxy-2-naphthalenesulfonic Acid; 4-Hydroxy-7-[[(4-acetamidophenyl)amino]carbonyl]amino]-2-naphthalenesulfonic Acid; N-(4-Acetamidophenyl)-N'-(4-hydroxy-2-sulfo-7-naphthyl)urea; C.I. 37515; Acid Brown 248; 7-Ureido-4-hydroxy-2-naphthalenesulfonic acid derivative
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and batch-to-batch consistency. Quality is verified through multiple analytical techniques including HPLC, IR spectroscopy, and titration methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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 acids and organic solvents. The container must be kept tightly closed to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Light brown to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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