Active ingredient

Quinolin-8-ol

Description

Quinolin-8-ol, also widely known as 8-hydroxyquinoline, is a versatile active ingredient used in agriculture primarily as a fungicide and antiseptic agent. It plays a critical role in controlling various plant pathogens by disrupting their biological processes, thereby safeguarding seeds and harvests against fungal degradation and diseases.

The compound is classified as a derivative of quinoline. Its primary mechanism of action involves the chelation of metal ions, which are essential for the metabolic activities of fungal pathogens. By sequestering ions such as copper, zinc, and iron, the substance effectively inhibits fungal enzyme activity, ultimately leading to the suppression of spore germination and mycelial growth.

This substance is commonly utilized in seed treatment protocols and for the preservation of post-harvest produce. It is effective against a broad spectrum of soil-borne and seed-borne diseases, including root rots and various molds that affect crop establishment.

  • Seed treatment for cereals and legumes.
  • Preservation of fruits and vegetables against storage rots.
  • Disinfection of planting materials in nurseries.

Application of Quinolin-8-ol requires precision and attention to recommended concentrations to achieve optimal protection. In agricultural practices, it is crucial to ensure thorough and uniform coverage of the target surfaces. Factors such as soil moisture and seed storage temperature can influence the duration of the fungicidal effect, making it essential to follow local agricultural guidelines.

Safety is a priority when handling Quinolin-8-ol, as the substance can be hazardous if handled improperly. Users must wear appropriate personal protective equipment, including gloves, goggles, and respiratory masks, to prevent skin and mucosal irritation. Proper disposal of leftover materials and container cleaning is strictly required to minimize environmental impact and prevent contamination of local water supplies.

Regulatory

Status in the European Union

Approved in the EU

CAS number
148-24-3
Approved from
01.07.2025
Approval until
30.06.2032
ADI
0.017 mg/kg bw/day
ARfD
0.017 mg/kg bw
AOEL
0.01 mg/kg bw/day
Hazard classification (CLP)
Acute Tox. 3 - H301Aquatic Acute 1 - H400Aquatic Chronic 1 - H410Eye Dam. 1 - H318Repr. 1B - H360DSkin Sens. 1 - H317

Regulatory status data: EU Pesticides Database © European Union, CC BY 4.0. EU status is for reference only and does not replace national registration in your country.

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