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Specifications
- CAS No.
- 148-24-3
- Molecular formula
- C9H7NO
- Molecular weight
- 145.16
- Melting point
- 70-74°C
- Boiling point
- 267°C
Appearance & character
White to light yellow crystalline powder with a characteristic phenolic odor. It is a monoprotic bidentate chelating agent.
Product overview
8-Hydroxyquinoline, also known as oxine or 8-quinolinol, is an organic compound with the chemical formula C9H7NO and molecular weight of 145.16 g/mol. It is a heterocyclic compound featuring a quinoline ring with a hydroxyl group at the 8-position. This compound is best known as a chelating agent that forms stable complexes with various metal ions. It has broad applications in analytical chemistry, medicine, agriculture, and materials science. Its derivatives are widely used as antimicrobial agents and in organic electronic materials.
Key features
- Monoprotic bidentate chelating agent
- Forms stable complexes with many metal ions
- Insoluble in water and ether, freely soluble in ethanol, acetone, and other organic solvents
- Antimicrobial and antifungal properties
- Can be used as a fluorescent probe
- Precursor for OLED materials (tris(8-hydroxyquinolinato)aluminum)
- Stabilizer for hydrogen peroxide
- Available in high purity (≥99%).
Applications
- Analytical chemistry
- chelating agent for metal ion separation and determination
- Organic electronics
- precursor for tris(8-hydroxyquinolinato)aluminum used in OLEDs
- Pharmaceutical industry
- intermediate for anti-infective agents and oral antiamebics
- Agriculture
- fungicide, insecticide, and preservative
- Cosmetics and tobacco
- preservative and antioxidant
- Nuclear applications
- precipitating agent for radioactive metals and carrier for radio-indium
- Epoxy resins
- improves bonding strength and heat aging resistance to metals
- Textile industry
- dye intermediate and textile auxiliaries.
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