Description

1-Hydroxy-5-Sulphonatonaphthalene-2-Diazonium is a specialized diazonium salt derivative of naphthalene, serving as a critical intermediate in advanced organic synthesis. Its core value lies in its highly reactive diazonium group, which enables precise coupling reactions for the creation of complex azo compounds and dyes. This product is essential for manufacturers and R&D laboratories in the dyestuff, pigment, and specialty chemical industries seeking to develop colorants or functional molecules with specific properties.

Application

• Primary Intermediate for Azo Dyes and Pigments: Key building block for synthesizing a wide range of naphthalene-based azo colorants used in textiles, inks, and plastics.
• Specialty Chemical Synthesis: Used in the production of functional chemicals where the diazonium group facilitates specific bond formation.
• Research & Development: Valuable reagent in academic and industrial R&D for exploring new coupling reactions and material science applications.
• Photographic Chemicals: Potential use in the synthesis of light-sensitive compounds for specialized imaging processes.

Basic Information

Product Name	1-Hydroxy-5-Sulphonatonaphthalene-2-Diazonium
CAS No.	94386-30-8
Molecular Formula	C₁₀H₇N₂O₄S⁻ (typically as a salt)
Molecular Weight	251.24 g/mol (for free acid form)
Synonyms	5-Sulfo-1-naphthol-2-diazonium; 2-Diazo-1-naphthol-5-sulfonic acid; 1-Hydroxy-2-diazo-5-naphthalenesulfonic acid; 1-Naphthol-2-diazonium-5-sulfonate; Diazonium salt of 5-sulfo-1-naphthol; Fast Color Base variant
EINECS	Contact for details

Quality Control

Our 1-Hydroxy-5-Sulphonatonaphthalene-2-Diazonium is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistent purity, reactivity, and stability. Key parameters such as assay (diazonium content), impurity profile, and solubility are rigorously controlled. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) and strictly light-sensitive nature, the container must be kept sealed under an inert atmosphere if possible and opened only in a controlled environment to prevent decomposition. Keep away from heat, sparks, and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (Diazonium Content)	Min. 95% (by titration)
Purity (HPLC)	Min. 98.0%
Water Content (KF)	Max. 2.0%
Solubility	Soluble in water, alkaline solutions

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