Unveiling the Efficacy of Chlorpyrifos 97%TC in Pest Control

Introduction:

Chlorpyrifos 97%TC, known by various synonyms such as ISO, BSI, and DURSBAN, is a potent insecticide with broad-spectrum effects. This article delves into its diverse applications, properties, and safety considerations, highlighting its significance in pest management.

Physical and Chemical Properties:

Chlorpyrifos 97%TC presents as white granular crystals with a stable nature at room temperature and a distinct thiol odor. It boasts a density of 1.398 at 43.5°C, a melting point ranging from 41.5 to 43.5°C, and a vapor pressure of 2.5mPa at 25°C. Soluble in most organic solvents, it exhibits limited water solubility of 1.2mg/L.

Applications in Pest Control:

As a phosphorothioate insecticide, Chlorpyrifos 97%TC exerts contact, stomach poison, and fumigation effects. Its efficacy is notable against underground pests due to its prolonged activity in the soil. Widely used in crops such as corn, cotton, soybean, and fruit trees, it effectively controls mosquitoes, flies, cockroaches, and termites in domestic and agricultural settings. Typically formulated into emulsifiable concentrates or granules, it can be mixed with non-alkaline pesticides for enhanced efficacy.

Safety Considerations:

Chlorpyrifos 97%TC demonstrates moderate acute toxicity to mammals, with LD50 values indicating its toxicological profile. Highly toxic to bees and toxic to aquatic organisms, caution is advised during application to minimize environmental impact. Maximum allowable concentrations in indoor air and residues on various crops are regulated to ensure human and environmental safety.

Conclusion:

In conclusion, Chlorpyrifos 97%TC emerges as a valuable tool in pest management, offering effective control against a wide range of insects. Its versatility, coupled with favorable physical and chemical properties, makes it indispensable in agricultural and domestic settings. Adherence to safety protocols is paramount to mitigate risks to human health and the environment, ensuring responsible and sustainable use of this potent insecticide.