Description

7-Nitronaphthalene-1-Sulfonic Acid is a specialized aromatic sulfonic acid derivative, serving as a critical intermediate in advanced organic synthesis. Its value lies in its unique molecular structure, which provides a reactive nitro group and a sulfonic acid moiety for creating complex dyes, pigments, and functional materials. This compound is essential for manufacturers and R&D laboratories in the fine chemical, dye, and pharmaceutical intermediate sectors seeking to develop high-performance products.

Application

• Dye and Pigment Intermediate: A key building block for synthesizing azo dyes, acid dyes, and other complex colorants.
• Pharmaceutical Synthesis: Used as a precursor in the development of certain active pharmaceutical ingredients (APIs) and specialty chemicals.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new organic reactions and material properties.
• Functional Material Production: Acts as an intermediate in the manufacture of optical brighteners, liquid crystal materials, and other advanced functional compounds.
• Corrosion Inhibitor Formulation: Can be utilized in the synthesis of specialized corrosion inhibitors for industrial applications.

Basic Information

Product Name	7-Nitronaphthalene-1-Sulfonic Acid
CAS No.	54220-77-8
Molecular Formula	C₁₀H₇NO₅S
Molecular Weight	253.23 g/mol
Synonyms	1-Naphthalenesulfonic acid, 7-nitro-; 7-Nitro-1-naphthalenesulfonic acid; 7-Nitronaphthalene-1-sulphonic acid; 7-Nitro-1-naphthalenesulphonic acid; 7-Nitronaphthalenesulfonic acid; 7-Nitronaphthalenesulphonic acid; 7-Nitro-1-sulfonaphthalene
EINECS	Contact for details

Quality Control

Our 7-Nitronaphthalene-1-Sulfonic Acid is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical quality attributes are 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). Due to its hygroscopic nature, protect from moisture and store under conditions that minimize exposure to humid air.

Specification

Item	Specification
Appearance	Yellow to brownish powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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