Description

2-Amino-8-Nitro-1-Naphthalenesulfonic Acid is a specialized naphthalene derivative that serves as a crucial intermediate in the synthesis of complex organic molecules. Its unique structure, featuring both amino and nitro functional groups on a sulfonated naphthalene backbone, makes it a valuable building block for creating high-value dyes, pigments, and other functional chemicals. This compound is primarily sought by manufacturers in the fine chemical, specialty dye, and advanced material sectors who require consistent quality and reliable supply for their synthesis processes.

Application

• Dye and Pigment Intermediate: A key precursor in the manufacture of azo dyes, acid dyes, and other complex colorants, particularly for textiles, leather, and paper.
• Pharmaceutical Synthesis: Used as a building block in the research and development of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Chemical Research: Serves as a versatile intermediate in organic synthesis for academic and industrial R&D laboratories exploring new chemical entities.
• Functional Material Production: Employed in the synthesis of specialty polymers, liquid crystals, or other advanced materials requiring specific aromatic sulfonic acid components.
• Photographic Chemical: Can be utilized in the formulation of certain light-sensitive chemicals used in specialized photographic processes.

Basic Information

Product Name	2-Amino-8-Nitro-1-Naphthalenesulfonic Acid
CAS No.	6025-43-0
Molecular Formula	C₁₀H₈N₂O₅S
Molecular Weight	268.25 g/mol
Synonyms	8-Nitro-1-naphthalenesulfonic acid, 2-amino-; 2-Amino-8-nitronaphthalene-1-sulfonic acid; 1-Naphthalenesulfonic acid, 2-amino-8-nitro-; 8-Nitro-2-aminonaphthalene-1-sulfonic acid; 2-Amino-8-nitro-1-naphthalenesulphonic acid; 6-Amino-5-nitro-2-naphthalenesulfonic acid (alternative numbering); 5-Nitro-6-amino-2-naphthalenesulfonic acid; 2-Amino-8-nitro-1-naphthalenesulfonate
EINECS	227-889-7

Quality Control

Our production of 2-Amino-8-Nitro-1-Naphthalenesulfonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your quality requirements.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to brownish powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content	≤ 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.