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Red Sun Acetamiprid CAS(135410-20-7), also known as Mospilan, is a new-generation insecticide belonging to the nitromethylene heterocyclic class. It acts on the nicotinic acetylcholine receptors at insect synapses, disrupting signal transmission within the nervous system, which leads to blockage of neural pathways, accumulation of acetylcholine, paralysis, and eventual death. This compound exhibits contact and stomach toxicity, combined with strong systemic penetration, providing rapid efficacy and long-lasting residual control.
Acetamiprid is widely applied to protect crops such as rice, vegetables, fruit trees, and tea plants, effectively targeting aphids, leafhoppers, thrips, and lepidopteran pests. At concentrations of 50–100 mg/L, it demonstrates reliable control of cotton aphids, cabbage aphids, and peach fruit borers, while also delivering ovicidal activity. The technical material appears as white crystals with a purity above 99% and a melting point of 101–103.3 °C. It has very low vapor pressure (<0.33×10-6 Pa at 25 °C), is sparingly soluble in water (4.2 g/L), but dissolves readily in acetone, methanol, ethanol, dichloromethane, chloroform, and acetonitrile. Stable in neutral to slightly acidic media, it maintains a storage stability of two years at ambient conditions, gradually hydrolyzes at pH 9 and 45 °C, and remains photostable under sunlight.
Parameter | Details |
Product Name | Acetamiprid |
CAS Number | 135410-20-7 |
Molecular Formula | C10H11ClN4 |
Appearance | White crystals |
Vapor Pressure | <10×10⁻⁴ Pa (25℃) |
Water Solubility | 420 mg/L |
Solubility in Solvents | Easily soluble in acetone, methanol, ethanol, dichloromethane, chloroform, acetonitrile, tetrahydrofuran |
Stability (pH) | Stable in water at pH 4–7 |
Stability (Light) | Stable under sunlight |
Acute Oral Toxicity (rats) | LD50 >217 mg/kg (male rats) |
Acetamiprid binds to insect nicotinic acetylcholine receptors, causing overstimulation that blocks normal nerve conduction and leads to paralysis and death.
The compound interferes with neural pathways by preventing the transfer of nerve impulses, resulting in acetylcholine accumulation at synapses that disrupts normal nerve function.
It provides control of sucking pests such as aphids, leafhoppers, and thrips, while also being effective against lepidopteran larvae on crops including rice, vegetables, fruits, and tea plants.
Acetamiprid shows systemic movement within plant tissues, allowing it to reach insects feeding on concealed plant parts and ensuring protection beyond surface contact.
At concentrations of 50–100 mg/L it demonstrates high efficacy against cotton aphids, cabbage aphids, and peach fruit borers, and it also provides ovicidal activity in field applications.
The product appears as white crystals with a melting point of 101–103 ℃, dissolves in acetone, methanol, ethanol, and other organic solvents, and remains stable in neutral water and under sunlight.
Acetamiprid is an insecticide developed by Red Sun. It has defined toxicological characteristics and selective action. The product is applied in crop protection and soil treatment. The following points summarize its key features.
Acetamiprid is classified as a medium-toxicity insecticide. The acute oral LD50 in rats ranges between 146 and 217 mg/kg of body weight. It shows no irritation to skin or eyes under controlled testing conditions.
Animal tests confirm that Acetamiprid does not produce mutagenic effects. This makes it suitable for regulated use in agricultural pest control programs that require safety data validation.
The compound has low toxicity to humans and livestock. It shows limited effects on beneficial predators in the field. Its toxicity to fish is lower compared to other insecticides, and its effect on bees is minor.
Acetamiprid is recommended for controlling homopteran pests on fruit trees and vegetables. It delivers effective results against sap-feeding insects and supports integrated pest management practices.
When formulated as granules, Acetamiprid can be applied as a soil treatment. This method is effective against underground insect pests, offering control where foliar sprays are less efficient.
Acetamiprid is applied to manage aphid infestations on different crops. It is used in cucumbers, apples, and citrus with specific spray programs. The following points outline its main applications.
During peak aphid infestation, apply 40–50 ml of 3% Acetamiprid EC per mu with 50–60 kg of water as a uniform spray. The treatment provides effective control and maintains activity for over 15 days, even in rainy conditions.
In the shoot growth stage of apple trees, spray a 2000–2500 dilution of 3% Acetamiprid EC at the start of aphid outbreaks. The product delivers rapid effects, resists wash-off by rainfall, and ensures control for more than 20 days.
During the aphid occurrence stage, apply a 2000–2500 dilution of 3% Acetamiprid EC as a foliar spray. The treatment provides effective control with extended persistence and shows crop safety at recommended doses without phytotoxicity.
Acetamiprid requires proper handling to ensure safe use. The following guidelines cover eye contact, skin contact, inhalation, and ingestion. No specific antidote is available.
If the product enters the eyes, rinse immediately with clean water for at least 15 minutes. Seek medical advice after washing.
Remove contaminated clothing. Wash the affected skin area thoroughly with soap and water to avoid further exposure.
Move the exposed person to fresh air at once. If breathing is difficult, apply artificial respiration and seek medical support.
If swallowed, take the product label to the hospital without delay. Apply symptomatic treatment as no specific antidote exists.