
Acephate, also known as Orthene, is a widely used organophosphate insecticide that has played a critical role in pest management since its development. As one of the 10 most important organophosphate insecticides in the 1990s, it continues to be a cornerstone in agricultural and horticultural practices. This article provides an in-depth analysis of Acephate's chemical properties, technical specifications, applications, and the company behind its production, Hebei Dongfeng Chemical Technology Co., Ltd..
Acephate is a foliar insecticide that works by inhibiting the activity of acetylcholinesterase (AChE) after being metabolized into methamidophos. This mechanism disrupts the nervous system of pests, leading to their elimination. Unlike some other organophosphates, Acephate is considered relatively safe for mammals and humans, as it does not convert to methamidophos in these organisms. Its broad-spectrum efficacy and systemic action make it a preferred choice for controlling a wide range of pests in crops, vegetables, and ornamental plants.

| Property | Details |
|---|---|
| Melting Point | 93°C |
| Density | 1.35 g/cm³ |
| Vapor Pressure | 2.26 × 10⁻⁴ Pa (24°C) |
| Flash Point | 2°C |
| Storage Temperature | Approx. 4°C |
| Solubility | Water, Chloroform, DMSO: Soluble |
| pKa | 11.00 ± 0.46 (Predicted) |
| Form | White to yellow solid |
| Water Solubility | Readily soluble |

Acephate is classified under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) with the signal word "Warning" and the hazard symbol
. The hazard statements H302 (Harmful if swallowed) and H312 (Harmful if in contact with skin) highlight its potential risks. The product is also categorized under the United Nations' Dangerous Goods (UN) classification as UN1648, Class 3 (Flammable), and is assigned a Packing Group (PG) 2. Users must follow strict safety protocols, including the use of personal protective equipment (PPE) and proper storage conditions.

Acephate is a contact and systemic insecticide effective against both sucking and chewing insects. Its applications include:
According to the National Institute of Standards and Technology (NIST), the chemical properties of Acephate, such as its solubility and vapor pressure, are critical for determining its environmental impact and efficacy in different formulations.
Hebei Dongfeng Chemical Technology Co., Ltd. offers Acephate in multiple formulations to suit diverse agricultural needs:
Based in Hebei, China, Hebei Dongfeng Chemical Technology Co., Ltd. is a leading manufacturer of agrochemicals, specializing in the production of insecticides, herbicides, and fungicides. The company's commitment to quality and innovation has made it a trusted supplier in the global agricultural market. With a focus on sustainable practices and compliance with international standards, Hebei Dongfeng ensures that its products meet the highest safety and efficacy requirements.
Acephate remains a vital tool in modern pest management due to its broad-spectrum activity, systemic action, and relative safety profile. Its chemical properties, as detailed in the technical specifications, underscore its versatility and effectiveness. As the agricultural industry continues to evolve, products like Acephate, supported by companies such as Hebei Dongfeng Chemical Technology Co., Ltd., will play a crucial role in ensuring food security and sustainable farming practices.
National Institute of Standards and Technology (NIST). (n.d.). Retrieved from https://www.nist.gov