Description

6-(2,4-Diaminophenoxy)-2-Naphthalenesulfonic Acid is a specialized aromatic sulfonic acid derivative featuring both diamine and naphthalene functional groups. This unique molecular structure makes it a valuable intermediate for synthesizing high-performance dyes, pigments, and functional polymers. It is primarily sought by manufacturers in the fine chemical, advanced material, and specialty dye industries for research and production applications.

Application

• Dye & Pigment Intermediate: A key building block for the synthesis of complex azo dyes, acid dyes, and reactive dyes, particularly those requiring high color strength and thermal stability.
• Polymer & Resin Modifier: Used to introduce sulfonic acid groups and aromatic amines into polymer chains, enhancing properties like solubility, adhesion, and ionic character.
• Pharmaceutical Intermediate: Serves as a precursor in the research and development of active pharmaceutical ingredients (APIs) with specific aromatic backbones.
• Research & Development Chemical: Employed in academic and industrial R&D for exploring new organic compounds, ligands, and functional materials.
• Photographic Chemical: Can be utilized in the formulation of specialized photographic developers and sensitizers.
• Corrosion Inhibitor Formulation: Its molecular structure contributes to formulations designed to protect metal surfaces in specific industrial environments.

Basic Information

Product Name	6-(2,4-Diaminophenoxy)-2-Naphthalenesulfonic Acid
CAS No.	6357-92-2
Molecular Formula	C₁₆H₁₄N₂O₄S
Molecular Weight	330.36 g/mol
Synonyms	2-Naphthalenesulfonic acid, 6-(2,4-diaminophenoxy)-; 6-(2,4-Diaminophenoxy)naphthalene-2-sulfonic acid; 2,4-Diaminophenyl 6-sulfo-2-naphthyl ether; 6-(2,4-Diaminophenoxy)-2-naphthalenesulphonic acid; 6-(2,4-Diamino-phenoxy)-naphthalene-2-sulfonic acid; 6357-92-2; NSC 163245
EINECS	Contact for details

Quality Control

Our production of 6-(2,4-Diaminophenoxy)-2-Naphthalenesulfonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and reliability. A Certificate of Analysis (COA) detailing all critical parameters is provided with each shipment to support your quality assurance processes.

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). Keep away from incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Light yellow to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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