Description

6-(3-Carboxy-4-Hydroxyphenylsulfonamido)-n-Methyl-1-Naphthol-3-Sulfonic Acid is a specialized organic sulfonic acid derivative with a complex naphthalene-based structure. This compound is valued for its multifunctional chemical properties, serving as a key synthetic intermediate and functional component in advanced chemical manufacturing. It is primarily utilized by industries involved in the production of dyes, pigments, and high-performance specialty chemicals where precise molecular architecture is required.

Application

• Dye and Pigment Intermediate: A critical building block in the synthesis of complex azo dyes, acid dyes, and high-value pigments, contributing to color fastness and specific hue properties.
• Specialty Chemical Synthesis: Used as a key precursor in the manufacture of advanced organic compounds, including optical brighteners and functional polymers.
• Pharmaceutical Research Intermediate: Employed in research and development for creating novel sulfonamide-based active pharmaceutical ingredients (APIs) and diagnostic agents.
• Analytical Reagent: Can function as a specialized reagent or standard in analytical chemistry for method development and calibration.
• Material Science: Investigated for use in the development of advanced materials, such as conductive polymers or metal-organic frameworks (MOFs), due to its chelating sulfonic acid groups.

Basic Information

Product Name	6-(3-Carboxy-4-Hydroxyphenylsulfonamido)-n-Methyl-1-Naphthol-3-Sulfonic Acid
CAS No.	6201-92-9
Molecular Formula	C₁₉H₁₇NO₈S₂
Molecular Weight	475.47 g/mol
Synonyms	6-[(3-Carboxy-4-hydroxyphenyl)sulfamoyl]-N-methyl-1-naphthol-3-sulfonic acid; 6-(3-Carboxy-4-hydroxybenzenesulfonamido)-N-methyl-1-naphthol-3-sulfonic acid; 1-Naphthalenesulfonic acid, 6-[[(3-carboxy-4-hydroxyphenyl)sulfonyl]amino]-N-methyl-3-hydroxy-; 6201-92-9; N-Methyl-6-(3-carboxy-4-hydroxyphenylsulfonamido)-1-naphthol-3-sulfonic acid
EINECS	Contact for details

Quality Control

Our production of 6-(3-Carboxy-4-Hydroxyphenylsulfonamido)-n-Methyl-1-Naphthol-3-Sulfonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise customer specifications and consistent batch-to-batch reliability. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect stability and handling properties. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.