Introduction to Acephate
Acephate, also known as Orthene, is an organophosphate foliar insecticide widely used in agricultural and horticultural applications. As one of the 10 most important organophosphate insecticides of the 1990s, it remains a critical tool for pest management due to its efficacy and versatility. This article explores the chemical properties, technical specifications, application scenarios, and the company background of Hebei Dongfeng Chemical Technology Co., Ltd., a leading supplier of Acephate products.
Technical Specifications of Acephate
Acephate exhibits a range of chemical properties that make it suitable for agricultural use. Below is a detailed table outlining its technical specifications:
| Property | Details |
|---|---|
| Melting Point | 93°C |
| Density | 1.35 |
| Vapor Pressure | 2.26 × 10⁻⁴ Pa (24°C) |
| Flash Point | 2°C |
| Storage Temperature | Approx. 4°C |
| Solubility | Chloroform: Soluble; DMSO: Soluble; Water: Soluble |
| pKa | 11.00±0.46 (Predicted) |
| Form | White to yellow solid |
| Water Solubility | Readily soluble |
Chemical Properties and Mechanism of Action
Acephate functions as a contact and systemic insecticide, targeting a wide range of pests. Its mechanism involves the inhibition of acetylcholinesterase (AChE), an enzyme critical for nerve signal transmission in insects. When applied, Acephate is metabolized into methamidophos, which disrupts the nervous system of pests, leading to their paralysis and eventual death. Notably, Acephate is considered safe for mammals due to its inability to convert into methamidophos in human or animal systems, as noted in NIST studies on organophosphate safety.
Key Advantages of Acephate
The advantages of Acephate make it a preferred choice for pest control in various agricultural settings:
- High Efficacy: Effective against sucking and chewing insects such as aphids, leaf miners, and caterpillars.
- Systemic Activity: Provides residual protection by being absorbed into plant tissues.
- Water Solubility: Ensures even distribution and quick absorption when applied as a foliar spray.
- Versatile Formulations: Available in multiple forms, including 97% TC technical concentrate, 75% SP soluable powder, and 40% EC emulsifiable concentrate, catering to diverse application needs.
Application Scenarios
Acephate is widely used in agricultural and horticultural practices, including:
- Cotton: Controls pests like bollworms and budworms.
- Ornamentals: Manages infestations of aphids and thrips.
- Forestry: Protects trees from defoliating insects.
- Fruits and Vegetables: Targets leaf miners, sawflies, and caterpillars.
- Other Crops: Effective against a broad spectrum of pests, including bean leafbeetles and cabbage loopers.
Its moderate persistence ensures long-term protection without excessive environmental impact, as highlighted in NIST guidelines for sustainable pesticide use.
Company Background: Hebei Dongfeng Chemical Technology Co., Ltd.
Hebei Dongfeng Chemical Technology Co., Ltd. is a reputable manufacturer and supplier of pesticides and agricultural chemicals. With a focus on quality and innovation, the company offers a comprehensive range of Acephate formulations tailored to meet the needs of global agricultural markets. Their product line includes:
- 97% TC Technical Concentrate
- 75% SP Soluable Powder
- 40% EC Emulsifiable Concentrate
- 98% TC Technical Concentrate
- 97% SG Soluble Granules
- 30% EC Emulsifiable Concentrate
- 97% WDG Water Dispersable Granule
For more information about Hebei Dongfeng's products, visit their official website.
Risk and Safety Information
Acephate is classified under GHS07 with a Warning signal. Hazard statements include H302+H312, indicating potential harm if ingested or inhaled. The HS Code for Acephate is 29299040, and it is transported under UN1648 3/PG 2 regulations. Users must adhere to strict safety protocols, including proper storage at approx. 4°C and the use of protective equipment during application.
Conclusion
Acephate remains a vital tool in modern agriculture, offering effective pest control with a favorable safety profile. Its chemical properties and versatile formulations make it suitable for a wide range of applications, while Hebei Dongfeng Chemical Technology Co., Ltd. ensures quality and reliability in its products. For further details, visit the Acephate product page.




