
Acephate, also known as Orthene, is a widely utilized organophosphate insecticide that has played a pivotal role in modern agriculture and pest management since its development in the 1990s. This article provides an in-depth analysis of its chemical properties, safety protocols, applications, and the company behind its production. Whether you are a farmer, agricultural scientist, or industry professional, this guide offers critical insights into Acephate's role in crop protection.
Acephate is a contact and systemic insecticide designed to target a broad spectrum of pests, including aphids, caterpillars, and leaf miners. Its unique mechanism of action involves the inhibition of acetylcholinesterase (Ache), an enzyme critical for nerve signal transmission in insects. This disruption leads to paralysis and eventual death of the pest. Notably, Acephate is metabolized into methamidophos, a compound with higher toxicity to insects than to mammals, making it relatively safer for human and animal use. However, its environmental impact and regulatory compliance remain areas of ongoing scrutiny.
Figure 1: Acephate in its solid form, typically white to yellow in color.
| Property | Details |
|---|---|
| Melting Point | 93°C |
| Density | 1.35 g/cm³ |
| Vapor Pressure | 2.26 × 10⁻⁴ Pa at 24°C |
| Flash Point | 2°C |
| Storage Temperature | Approx. 4°C |
| Solubility | Water, Chloroform, DMSO - Soluble |
| pKa | 11.00 ± 0.46 (Predicted) |
| Form | Solid |
| Color | White to Yellow |
| Water Solubility | Readily Soluble |
The hazard statements associated with Acephate include H302+H312, indicating that it is harmful if ingested and may cause skin irritation. The signal word "Warning" underscores the need for proper handling. The GHS symbol (GHS07) signifies health hazards, while the hazard codes Xn (Harmful) and F (Flammable) highlight its potential risks. The UN number UN1648 and HS code 29299040 further categorize Acephate under hazardous materials for transportation and trade.
Figure 2: Safety information and GHS labeling for Acephate.
Acephate is a versatile insecticide used across various agricultural sectors. It is particularly effective against sucking and chewing insects in crops such as cotton, fruits, vegetables, and ornamentals. Its systemic activity allows it to be absorbed by plants, providing protection against pests like alfalfa loopers, aphids, armyworms, and thrips. The product's moderate persistence ensures it remains active for a sufficient duration without excessive environmental accumulation.
Key applications include:
Figure 3: Application of Acephate in crop fields for pest control.
Hebei Dongfeng Chemical Technology Co., Ltd. offers Acephate in multiple formulations to suit different agricultural needs:
As a leading manufacturer of agrochemicals, Hebei Dongfeng Chemical Technology Co., Ltd. has established itself as a reliable supplier of high-quality insecticides. The company specializes in the production of organophosphate compounds, including Acephate, and adheres to international standards for safety and efficacy. Their commitment to research and development ensures that their products meet the evolving demands of modern agriculture.
For more information about the company, visit their official website: Hebei Dongfeng Chemical Technology Co., Ltd.
Acephate is subject to strict regulatory frameworks to ensure its safe use. According to the United States National Institute of Standards and Technology (NIST), pesticides like Acephate must undergo rigorous testing for toxicity, environmental persistence, and ecological impact. While Acephate is considered less toxic to mammals compared to other organophosphates, its potential to contaminate water sources and harm non-target organisms remains a concern. Farmers and applicators are advised to follow label instructions and local regulations to minimize risks.
For further details on pesticide safety standards, refer to NIST's Chemical Safety Guidelines.
Acephate stands as a testament to the advancements in agricultural chemistry, offering an effective solution for pest control while balancing safety and efficacy. Its diverse formulations, coupled with the expertise of manufacturers like Hebei Dongfeng Chemical Technology Co., Ltd., ensure its continued relevance in global agriculture. However, responsible use and adherence to regulatory guidelines are essential to mitigate environmental and health risks.
NIST. (n.d.). Chemical Safety Guidelines. https://www.nist.gov