Description

6-[(2,6-Dimethylphenyl)Amino]-4-Hydroxynaphthalene-2-Sulphonic Acid is a specialized naphthalene-based intermediate with a sulfonic acid group, offering unique reactivity and solubility properties. This compound is valued for its role as a key building block in the synthesis of complex organic molecules, particularly in the production of high-performance dyes and pigments. It serves the needs of advanced chemical manufacturing sectors, including the dyestuff, specialty chemical, and pharmaceutical research industries.

Application

• Primary Intermediate for Dyes and Pigments: A crucial precursor in the synthesis of azo dyes, acid dyes, and other complex colorants, imparting specific hue and fastness properties.
• Specialty Chemical Synthesis: Used as a building block for creating functionalized naphthalene derivatives with applications in materials science and advanced organic chemistry.
• Pharmaceutical Research Intermediate: Employed in research and development for the synthesis of novel active pharmaceutical ingredients (APIs) or diagnostic agents.
• Liquid Crystal and Electronic Material Precursor: Potential use in the development of organic electronic materials or liquid crystal compounds due to its planar aromatic structure and functional groups.
• Analytical Reagent and Chelating Agent: Can function as a reagent in analytical chemistry or as a ligand in metal complexation studies.

Basic Information

Item	Details
Product Name	6-[(2,6-Dimethylphenyl)Amino]-4-Hydroxynaphthalene-2-Sulphonic Acid
CAS No.	23973-67-3
Molecular Formula	C18H17NO4S
Molecular Weight	343.40 g/mol
Synonyms	6-[(2,6-Dimethylphenyl)amino]-4-hydroxynaphthalene-2-sulfonic acid; 4-Hydroxy-6-[(2,6-xylyl)amino]-2-naphthalenesulfonic acid; 6-(2,6-Dimethylanilino)-4-hydroxy-2-naphthalenesulfonic acid; N-(2,6-Dimethylphenyl)-4-hydroxy-2-naphthalenesulfonamide (tautomeric form); 2-Naphthalenesulfonic acid, 6-[(2,6-dimethylphenyl)amino]-4-hydroxy-; Acid Red 337 (related dye class); Azo dye coupling component intermediate.
EINECS	Contact for details

Quality Control

Our production of 6-[(2,6-Dimethylphenyl)Amino]-4-Hydroxynaphthalene-2-Sulphonic 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 for your synthesis processes. A Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment and is available upon request.

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 product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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