Description

2-Naphthylamine-4,6,8-Trisulfonic Acid is a high-purity, multi-sulfonated aromatic amine intermediate of significant industrial importance. Its unique structure, featuring three sulfonic acid groups, makes it a versatile and reactive building block for synthesizing complex organic molecules. This compound is essential for manufacturers in the dye, pigment, and specialty chemical sectors seeking to produce high-performance products with specific functional properties.

Application

• Dye and Pigment Intermediate: A critical precursor for the synthesis of acid dyes, reactive dyes, and azo pigments, contributing to color strength and solubility.
• Optical Brightener Production: Used in the manufacture of fluorescent whitening agents (FWAs) for paper, textiles, and detergents.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Liquid Crystal and Electronic Chemicals: Employed in the production of advanced materials for display technologies and electronic applications.
• Corrosion Inhibitor Formulation: Acts as a component in specialty chemical formulations designed to protect metal surfaces.
• Research & Development: Utilized in chemical research for developing new sulfonated compounds and studying reaction mechanisms.

Basic Information

Product Name	2-Naphthylamine-4,6,8-Trisulfonic Acid
CAS No.	83732-84-7
Molecular Formula	C₁₀H₉NO₉S₃
Molecular Weight	383.37 g/mol
Synonyms	2-Aminonaphthalene-4,6,8-trisulfonic acid; 4,6,8-Trisulfo-2-naphthylamine; 2-Naphthylamine-4,6,8-trisulfonate; 2-Amino-4,6,8-naphthalenetrisulfonic acid; 6-Aminonaphthalene-1,3,5-trisulfonic acid; Naphthylamine trisulfonic acid; 2-NT Acid; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 2-Naphthylamine-4,6,8-Trisulfonic Acid is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. Certificates of Analysis (COA) documenting key parameters are provided to guarantee supply reliability and product integrity for your manufacturing processes.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
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.