Carbophenothion
Description
Carbophenothion is a potent active ingredient classified within the organophosphate chemical group. It functions primarily as a broad-spectrum insecticide and acaricide, exhibiting both contact and stomach poison action. Historically, it has been a critical tool in agricultural pest management for controlling diverse populations of arthropod pests in various cropping systems.
The primary mechanism of action for carbophenothion involves the inhibition of the enzyme acetylcholinesterase within the insect's nervous system. By blocking this enzyme, the chemical prevents the breakdown of acetylcholine, resulting in overstimulation of the nerve impulses. This leads to paralysis, respiratory failure, and rapid mortality of the target organism, providing effective control against resistant species.
It was traditionally applied to a wide range of horticultural and field crops, including citrus, deciduous fruit trees, vines, cotton, and maize. The product was particularly noted for its ability to suppress mite populations and various hemipteran and lepidopteran pests. Its chemical stability allowed for consistent performance in challenging field conditions, providing a prolonged residual protective effect on foliage.
Due to its high level of toxicity, the use of carbophenothion is subject to stringent regulations and safety protocols. It poses significant risks to human health, avian species, and aquatic ecosystems. Application requires specialized equipment and rigorous adherence to personal protective equipment (PPE) guidelines to prevent dermal contact or inhalation of spray droplets during the treatment process.
- Broad-spectrum control of mites and insects.
- Strong contact and ingestion activity.
- Persistent residual protection.
- High toxicity requiring strict regulatory oversight.
In modern agriculture, the use of carbophenothion has been phased out or severely restricted in most regions due to increasing environmental awareness and the development of safer, more selective alternatives. Integrated Pest Management (IPM) strategies today prioritize the use of biological control agents and pesticides with lower toxicity profiles to ensure sustainable food production and environmental safety.
Status in the European Union
Not approved in the EU
- CAS number
- 786-19-6
- Category (EU)
- AC - Acaricide
- ADI
- 0.0005 mg/kg bw/day
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.