Description

2-(2-Hydroxynaphthalene-6-Sulfonamido)Benzoic Acid is a specialized organic intermediate featuring a naphthalene core linked to a benzoic acid moiety via a sulfonamide bridge. This compound matters for its role as a key building block in the synthesis of complex dyes, pigments, and functional materials, offering precise structural control. It is primarily needed by manufacturers in the fine chemical, specialty dye, and advanced material research sectors.

Application

• Intermediate for the synthesis of azo dyes and pigments, particularly for textiles and inks.
• Key precursor in the development of functional dyes for liquid crystal displays (LCDs) and other optoelectronic applications.
• Building block for pharmaceutical research involving sulfonamide-based active pharmaceutical ingredients (APIs).
• Used in analytical chemistry as a reagent or standard for method development.
• Component in the research and production of photoactive materials and sensitizers.
• Starting material for polymer modification to introduce specific chromophoric or functional groups.

Basic Information

Product Name	2-(2-Hydroxynaphthalene-6-Sulfonamido)Benzoic Acid
CAS No.	6388-49-4
Molecular Formula	C₁₇H₁₃NO₅S
Molecular Weight	343.36 g/mol
Synonyms	2-[(2-Hydroxy-6-naphthalenesulfonyl)amino]benzoic acid; 2-[(2-Hydroxy-6-naphthylsulfonyl)amino]benzoic acid; Benzoic acid, 2-[(2-hydroxy-6-naphthalenesulfonyl)amino]-; 2-(2-Hydroxy-6-naphthalenesulfonamido)benzoic acid; 6-Sulfo-2-naphthol-2'-carboxybenzanilide; 2-Hydroxy-6-naphthalenesulfonanilide-2-carboxylic acid; 2-Carboxy-2'-hydroxy-6'-sulfonaphthanilide
EINECS	Contact for details

Quality Control

Our 2-(2-Hydroxynaphthalene-6-Sulfonamido)Benzoic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and physical characteristics is provided with every shipment to guarantee it meets your research or production requirements.

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). This compound may be light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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