Description

4-Hydroxy-6-(4-Methoxyphenylamino)Naphthalene-2-Sulfonicacid is a specialized naphthalene sulfonic acid derivative that serves as a critical intermediate in the synthesis of advanced functional materials. Its molecular structure, featuring both sulfonic acid and amino-phenol functionalities, makes it a valuable building block for creating dyes, pigments, and other complex organic compounds. This high-purity intermediate is essential for manufacturers in the fine chemical, pharmaceutical, and specialty dye industries seeking reliable and consistent raw materials for their synthesis processes.

Application

This versatile chemical intermediate finds primary use in advanced organic synthesis. Key application areas include:

• Dye and Pigment Intermediate: A key precursor in the synthesis of acid dyes, reactive dyes, and high-performance pigments, particularly for textiles and inks.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) that incorporate naphthalene sulfonate structures.
• Functional Material Synthesis: Serves as a building block for creating optical brighteners, fluorescent markers, and other specialty organic compounds.
• Chemical Research & Development: Employed in academic and industrial R&D labs for exploring new organic reactions and synthesizing novel molecular architectures.
• Liquid Crystal and Electronic Material Precursor: Potential use in the synthesis of components for advanced display technologies and organic electronics.

Basic Information

Product Name	4-Hydroxy-6-(4-Methoxyphenylamino)Naphthalene-2-Sulfonicacid
CAS No.	201235-52-1
Molecular Formula	C₁₇H₁₅NO₅S
Molecular Weight	345.37 g/mol
Synonyms	6-[(4-Methoxyphenyl)amino]-4-hydroxy-2-naphthalenesulfonic acid; 4-Hydroxy-6-(p-anisidino)-2-naphthalenesulfonic acid; 2-Naphthalenesulfonic acid, 6-[(4-methoxyphenyl)amino]-4-hydroxy-; 4-Hydroxy-6-(4-methoxyanilino)naphthalene-2-sulfonic acid; 6-(4-Methoxyanilino)-4-hydroxynaphthalene-2-sulfonic acid; p-Anisidine naphthol sulfonic acid derivative
EINECS	Contact for details

Quality Control

Our production of 4-Hydroxy-6-(4-Methoxyphenylamino)Naphthalene-2-Sulfonicacid adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. All materials undergo rigorous analytical testing, including HPLC for purity assessment and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing specific batch results are available upon request, providing full transparency for your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent degradation. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 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.