Description

1-(8-Quinolylazo)-2-Naphthol is a specialized organic azo compound primarily utilized as a high-purity analytical reagent and chemical intermediate. Its unique molecular structure, featuring both quinoline and naphthol moieties, makes it a valuable chromogenic agent and a versatile building block in synthetic chemistry. This product is essential for research laboratories, analytical service providers, and manufacturers in the fine chemical and pharmaceutical sectors requiring precise colorimetric analysis or complex heterocyclic synthesis.

Application

• Analytical Reagent: Used as a sensitive and selective chromogenic agent for the spectrophotometric determination of specific metal ions in environmental and industrial samples.
• Chemical Intermediate: Serves as a key precursor in the synthesis of more complex dyes, pigments, and functional organic molecules.
• Research & Development: Employed in academic and industrial R&D for studying azo coupling reactions, developing new sensors, and exploring photophysical properties.
• Dye & Pigment Industry: Acts as a foundational structure for creating specialized azo dyes with specific color fastness and application properties.
• Quality Control Laboratories: Utilized in internal QC protocols for trace metal analysis in various raw materials and finished products.

Basic Information

Product Name	1-(8-Quinolylazo)-2-Naphthol
CAS No.	4008-71-3
Molecular Formula	C₁₉H₁₃N₃O
Molecular Weight	299.33 g/mol
Synonyms	8-(2-Hydroxy-1-naphthylazo)quinoline; 8-Quinolinylazoresorcinol; 1-(Quinolin-8-ylazo)-2-naphthol; Quinolin-8-ylazoresorcinol; Azo Violet (related dye class); 8-HQA; QAN
EINECS	Contact for details

Quality Control

Our 1-(8-Quinolylazo)-2-Naphthol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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