Description

7-[(3-Aminobenzoyl)Amino]-4-Hydroxynaphthalene-2-Sulphonic Acid is a specialized aromatic sulfonic acid derivative that serves as a critical intermediate in the synthesis of high-value organic compounds. Its unique molecular structure, featuring both an amino-benzoyl amide linkage and a hydroxynaphthalene core, makes it a versatile building block for creating complex molecules with specific functional properties. This compound is primarily sought after by research institutions and manufacturers in the fine chemical and pharmaceutical sectors for developing advanced materials and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Dye and Pigment Manufacturing: Used in the production of specialized azo dyes and pigments, contributing to color fastness and specific hue properties.
• Research & Development: Employed in organic chemistry research as a model compound for studying sulfonation and amidation reactions.
• Fine Chemical Synthesis: Acts as a building block for creating complex surfactants, liquid crystals, and other performance chemicals.
• Analytical Reagent: Can be utilized as a standard or reagent in certain chromatographic or spectroscopic analytical methods.

Basic Information

Product Name	7-[(3-Aminobenzoyl)Amino]-4-Hydroxynaphthalene-2-Sulphonic Acid
CAS No.	118-50-3
Molecular Formula	C17H14N2O5S
Molecular Weight	358.37 g/mol
Synonyms	3'-Amino-4-hydroxy-2,7-naphthalenedisulfonic acid 2'-benzoylanilide; 7-[(3-Aminobenzoyl)amino]-4-hydroxy-2-naphthalenesulfonic acid; 4-Hydroxy-7-[(3-aminobenzoyl)amino]-2-naphthalenesulfonic acid; 3-Amino-N-(4-hydroxy-7-sulfo-2-naphthyl)benzamide; 118-50-3; 7-(3-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid
EINECS	204-260-9

Quality Control

Our production of 7-[(3-Aminobenzoyl)Amino]-4-Hydroxynaphthalene-2-Sulphonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for research and industrial use. A Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). The compound is light-sensitive and should be handled accordingly to maintain stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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