1. Chemical Synthesis

• Solvent: Quinoline is used as a solvent in chemical reactions and industrial processes, particularly in the synthesis of dyes and pigments.
• Pesticide Production: It serves as an intermediate in the manufacture of certain pesticides and herbicides, playing a role in agricultural applications.

2. Paints & Coatings

• Stabilizing Agents: Quinoline compounds can be used as stabilizers in paint formulations to prevent the settling of pigments and improve the overall shelf life of the product.
• Coating Agents: Certain Quinoline derivatives may enhance the adhesion properties of coatings, allowing them to better adhere to various surfaces.

3. Animal Healthcare

• Veterinary Pharmaceuticals: Quinoline derivatives, such as chloroquine, have been explored for their potential in treating various infections and diseases in animals, particularly in parasitology.
• Diagnostic Agents: Some Quinoline compounds are investigated for use in veterinary diagnostics, aiding in the detection of specific pathogens.

4. Construction

• Concrete Additives: Quinoline may be utilized in concrete formulations to improve the workability and strength of concrete, enhancing its performance in construction applications.
• Protective Coatings: It can be included in protective coatings for construction materials, providing resistance against moisture and environmental factors.

5. Agrochemicals

• Fungicides: Quinoline derivatives are being studied for their potential fungicidal properties, providing effective control over plant diseases.
• Insecticides: Certain Quinoline compounds are explored for their insecticidal activity, targeting pests that affect crop yield.

6. Personal Care

• Antioxidants: Quinoline may have antioxidant properties that can be beneficial in skincare formulations, helping to protect skin from oxidative stress.
• Conditioning Agents: It can be used in hair care products as a conditioning agent, enhancing the texture and manageability of hair.