Description

2-Anilinonaphthalene-6-Sulfonic Acid is a high-purity organic intermediate and analytical reagent characterized by its sulfonic acid and anilino functional groups. This compound is valued for its role as a key building block in the synthesis of specialized dyes, fluorescent probes, and other functional materials. It is primarily sought by manufacturers and R&D laboratories in the dyestuff, analytical chemistry, and advanced material science sectors.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of acid dyes, reactive dyes, and other colorants for textiles and specialty applications.
• Fluorescent Probe Synthesis: Used to create environment-sensitive fluorescent markers and sensors for biochemical and analytical research.
• Photographic Chemicals: Acts as a component in the formulation of certain photographic developers and sensitizers.
• Research & Development: Serves as a standard or reagent in organic synthesis and method development within academic and industrial labs.
• Liquid Crystal and OLED Materials: A potential building block for electronic chemicals used in display technologies.
• Corrosion Inhibitor Formulation: Can be utilized in the development of specialized organic corrosion inhibitors for industrial processes.

Basic Information

Product Name	2-Anilinonaphthalene-6-Sulfonic Acid
CAS No.	20096-86-0
Molecular Formula	C₁₆H₁₃NO₃S
Molecular Weight	299.34 g/mol
Synonyms	6-Anilino-2-naphthalenesulfonic Acid; 2-Anilino-6-naphthalenesulfonic Acid; 6-Anilino-2-naphthalenesulphonic Acid; 2-Anilino-6-naphthalenesulphonic Acid; 2-(Phenylamino)naphthalene-6-sulfonic Acid; ANS Acid; 2,6-ANS Acid; 2-Anilino-6-sulfonaphthalene
EINECS	243-516-5

Quality Control

Our 2-Anilinonaphthalene-6-Sulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards for industrial and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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) and should be kept under dry conditions to prevent degradation. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
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.