Description

7-[[2-Hydroxy-5-[(4-Hydroxyphenyl)Sulphonyl]Phenyl]Methyl]Naphthalene-2-Sulphonic Acid is a specialized organic sulfonic acid derivative with a complex, multi-functional aromatic structure. This compound is valued for its unique chemical properties, which make it a versatile intermediate in the synthesis of advanced materials and functional chemicals. It is primarily sought after by research and development teams, as well as production chemists, in the fine chemical, pharmaceutical intermediate, and specialty dye industries.

Application

This high-purity intermediate serves critical roles in advanced chemical synthesis and material science. Its applications include:

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Functional Dye & Pigment Synthesis: Used in the production of specialized dyes, optical brighteners, and colorants requiring specific sulfonic acid groups for solubility and binding.
• Advanced Material Research: Acts as a monomer or functionalizing agent in the development of polymers, resins, and other materials with tailored properties.
• Chemical Research & Development: Employed as a standard or reagent in method development and exploratory synthesis for novel compounds.
• Liquid Crystal & Electronic Material Precursor: Serves as a potential intermediate for materials used in display technologies and electronic applications.

Basic Information

Product Name	7-[[2-Hydroxy-5-[(4-Hydroxyphenyl)Sulphonyl]Phenyl]Methyl]Naphthalene-2-Sulphonic Acid
CAS No.	66214-40-2
Molecular Formula	C24H18O7S2
Molecular Weight	482.52 g/mol
Synonyms	7-[(2-Hydroxy-5-((4-hydroxyphenyl)sulfonyl)phenyl)methyl]-2-naphthalenesulfonic acid; 2-Naphthalenesulfonic acid, 7-[[2-hydroxy-5-[(4-hydroxyphenyl)sulfonyl]phenyl]methyl]-; NSC 339586; 7-((2-Hydroxy-5-(4-hydroxyphenylsulfonyl)benzyl)naphthalene-2-sulfonic acid; 7-[(5-(4-Hydroxybenzenesulfonyl)-2-hydroxybenzyl]naphthalene-2-sulfonic acid; 2-Naphthalenesulfonic acid, 7-[(2-hydroxy-5-[(4-hydroxyphenyl)sulfonyl]phenyl)methyl]-; 7-[[2-Hydroxy-5-(4-hydroxyphenylsulfonyl)phenyl]methyl]naphthalene-2-sulfonic acid
EINECS	Contact for details

Quality Control

Our production of 7-[[2-Hydroxy-5-[(4-Hydroxyphenyl)Sulphonyl]Phenyl]Methyl]Naphthalene-2-Sulphonic Acid adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for assay, impurities, and other critical parameters are provided and available upon request, supporting compliance in regulated environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.