Description

8-Hydroxyquinaldine is a versatile heterocyclic organic compound that serves as a key analytical reagent and chemical intermediate. Its primary value lies in its strong chelating properties, particularly for metal ions like aluminum, magnesium, and zinc, making it indispensable for precise quantitative analysis and synthesis. This product is essential for research laboratories, analytical service providers, and manufacturers in the pharmaceutical and fine chemical sectors who require high-purity reagents for method development and quality control.

Application

• Analytical Chemistry: Primarily used as a sensitive and selective spectrophotometric reagent for the gravimetric determination and colorimetric detection of metal ions such as aluminum (Al³⁺), magnesium (Mg²⁺), and gallium (Ga³⁺).
• Pharmaceutical Research: Acts as a crucial building block (synthon) in the synthesis of more complex quinoline-based compounds with potential biological activity.
• Coordination Chemistry: Serves as a bidentate ligand to form stable, well-defined complexes with various transition and rare-earth metals for catalytic and material science studies.
• Industrial Process Control: Employed in the quality assurance of raw materials and finished products where trace metal contamination must be monitored and controlled.
• Laboratory Reagent: A standard reagent for educational and research purposes in university and industrial labs for teaching and developing analytical methodologies.

Basic Information

Product Name	8-Hydroxyquinaldine
CAS No.	826-81-3
Molecular Formula	C₁₀H₉NO
Molecular Weight	159.19 g/mol
Synonyms	8-Hydroxy-2-methylquinoline; 2-Methyl-8-quinolinol; 8-Quinolinol, 2-methyl-; Oxine-8; 2-Methyl-8-hydroxyquinoline; 8-Hydroxyquinaldin; NSC 403697; Quinaldin-8-ol
EINECS	212-574-5

Quality Control

Our 8-Hydroxyquinaldine is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including identity confirmation by FT-IR, purity assessment by HPLC, and residual solvent analysis, to ensure it meets the high standards required for analytical and research applications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality attributes.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	72 - 76 °C
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.1 %

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