Description

2-Amino-5-Nitro-1-Naphthalenesulfonic Acid is a specialized naphthalene derivative featuring both amino and nitro functional groups on a sulfonic acid backbone. This unique structure makes it a valuable intermediate for synthesizing complex dyes, pigments, and other functional organic compounds. It is primarily sought after by manufacturers in the dyestuff, textile chemical, and specialty chemical industries for producing high-performance colorants and as a building block in advanced organic synthesis.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, acid dyes, and other complex colorants for textiles, leather, and paper.
• Textile Chemical Manufacturing: Used in the production of specialized chemicals for textile processing and finishing.
• Organic Synthesis Building Block: Serves as a versatile intermediate for creating more complex molecules in pharmaceutical and agrochemical research.
• Research & Development: Employed in academic and industrial R&D labs for developing new functional materials and chemical processes.
• Specialty Chemical Production: Utilized in formulating performance chemicals where specific sulfonated naphthalene structures are required.

Basic Information

Product Name	2-Amino-5-Nitro-1-Naphthalenesulfonic Acid
CAS No.	6025-92-9
Molecular Formula	C₁₀H₈N₂O₅S
Molecular Weight	268.25 g/mol
Synonyms	5-Nitro-1-naphthylamine-2-sulfonic Acid; 1-Naphthalenesulfonic acid, 2-amino-5-nitro-; 2-Amino-5-nitronaphthalene-1-sulfonic Acid; 5-Nitro-2-aminonaphthalene-1-sulfonic Acid; 6-Amino-3-nitronaphthalene-2-sulfonic Acid; 2-Amino-5-nitronaphthalenesulfonic Acid; 5-Nitro-1-amino-2-naphthalenesulfonic Acid; 5-Nitro-2-naphthylamine-1-sulfonic Acid
EINECS	227-888-3

Quality Control

Our 2-Amino-5-Nitro-1-Naphthalenesulfonic Acid is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity and performance. Certificates of Analysis (COA) detailing assay, impurity profile, and physical specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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	Yellow to brownish powder or crystals
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.