Description

1-Naphthol-2-Nitrozo-5-Sulpho Acid is a specialized organic intermediate featuring a naphthalene backbone functionalized with nitroso and sulfonic acid groups. This unique molecular structure makes it a valuable precursor for the synthesis of complex dyes, pigments, and analytical reagents. It is primarily sought after by manufacturers in the fine chemical, dye, and research sectors for its role in creating colorants and functional chemical entities.

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of azo dyes and complex organic pigments.
• Analytical Chemistry Reagent: Used as a chelating agent or colorimetric indicator in metal ion detection and analysis.
• Fine Chemical Synthesis: Serves as a versatile precursor for pharmaceuticals and other high-value specialty chemicals.
• Research & Development: Employed in academic and industrial R&D for exploring new synthetic pathways and material properties.

Basic Information

Product Name	1-Naphthol-2-Nitrozo-5-Sulpho Acid
CAS No.	23253-13-6
Molecular Formula	C₁₀H₇NO₅S
Molecular Weight	253.23 g/mol
Synonyms	2-Nitroso-1-naphthol-5-sulfonic acid; 1-Naphthol-2-nitroso-5-sulfonic acid; 5-Sulfo-2-nitroso-1-naphthol; 2-Nitroso-5-sulfo-1-naphthol; Nitroso R salt; Nitroso-R-Salt; 1-Naphthol-2-nitroso-5-sulphonic acid
EINECS	Contact for details

Quality Control

Our 1-Naphthol-2-Nitrozo-5-Sulpho Acid is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including purity assay and impurity profiling, to ensure it meets exacting standards for consistency and performance. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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 compound is light-sensitive (store away from light) and hygroscopic (moisture-sensitive); prolonged exposure to air, moisture, or light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%

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