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Red Sun Bifenthrin, CAS 82657-04-3 with molecular formula C23H22ClF3O2, is a modern pyrethroid insecticide developed in the late 20th century and widely adopted worldwide. It presents moderate toxicity to humans and animals while showing strong affinity in soil. With excellent insecticidal activity, Bifenthrin acts through stomach poisoning and contact effects. It is broadly applied on cotton, vegetables, fruit trees, and tea plants to control aphids, mites, bollworms, leafhoppers, and other destructive pests.
Parameter | Details |
Appearance | Gray-white solid |
Melting Point | 68–70.6℃ (tech: 61–66℃) |
Relative Density (25℃) | 1.210 |
Vapor Pressure | 2.4×10⁻⁵ Pa |
Flash Point | 165℃ |
Solubility | Soluble in acetone, chloroform, toluene |
Partial Solubility | Methanol, heptane |
Insolubility | Water |
Partition Coefficient | Octanol/Water = 1,000,000 |
Stability | Stable >1 year at room temperature |
Half-life in Sunlight | 255 days |
Half-life in Soil | 65–125 days |
Bifenthrin interferes with sodium channel function in the insect nervous system. This disruption leads to paralysis and death. It acts through ingestion and direct contact.
It is applied on cotton, vegetables, fruit trees, and tea plants. It controls aphids, mites, bollworms, leafhoppers, and other major pests.
Bifenthrin is a gray-white solid. The melting point is 68–70.6℃, with technical grade at 61–66℃. Relative density at 25℃ is 1.210. Vapor pressure is 2.4×10⁻⁵ Pa. Flash point is 165℃.
The compound dissolves in acetone, chloroform, dichloromethane, toluene, and ether. It is partly soluble in methanol and heptane but insoluble in water.
The partition coefficient between octanol and water is 1,000,000. It remains stable for more than one year at room temperature. The half-life is 255 days under sunlight and 65–125 days in soil.
Bifenthrin is a pyrethroid insecticide used across multiple crops. It provides control of a broad range of pests. Below are the key product features.
Bifenthrin controls cotton bollworm, which damages cotton crops and reduces yield. The compound disrupts pest feeding and reproduction, leading to effective pest management.
It is effective against red spider mites in cotton, eggplant, and tea. These pests damage leaves and weaken plant growth. Bifenthrin protects crops by limiting mite spread.
The product manages peach fruit borer and pear fruit borer. These pests harm fruits by boring into tissue. Bifenthrin prevents loss of fruit quality and supports crop output.
It targets hawthorn spider mites and citrus red mites. Both pests feed on leaves and reduce plant vigor. Application of Bifenthrin limits leaf damage and supports plant health.
Bifenthrin controls yellow stink bugs and tea stink bugs. These insects pierce plant tissues, causing fruit drop and leaf damage. Control reduces economic losses in orchards and tea fields.
It is applied to manage aphids, cabbage worms, and diamondback moths. These pests harm vegetables such as cabbage, greens, and others. The product supports stable vegetable production.
It provides control of greenhouse whiteflies. These pests spread diseases and weaken crop growth. Bifenthrin use helps maintain healthy growth in controlled environments.
The compound targets pests including tea leafroller and tea caterpillars. These insects damage young leaves and reduce tea yield. Application ensures consistent leaf quality and production.
Bifenthrin is applied in agriculture and horticulture to manage a wide range of pests. It is suitable for different crops and farming systems. Below are the main application scenarios.
Bifenthrin is used in cotton fields to control bollworms and red spider mites. These pests damage leaves and flowers, reducing fiber yield and quality.
The product is applied to cabbage, eggplant, and leafy greens. It controls aphids, caterpillars, and moths that threaten vegetable growth and harvest.
Bifenthrin protects apples, pears, citrus, and other fruit trees. It reduces damage from borers, mites, and stink bugs that affect fruit size and quality.
It is widely used in tea fields to control tea caterpillars, leafrollers, and mites. The treatment helps maintain consistent leaf quality and stable tea production.
Bifenthrin is applied in protected environments against whiteflies and mites. It supports healthy crop growth and reduces pest-related yield loss in greenhouse farming.
Bifenthrin has defined safety data from toxicological and ecological studies. The following points summarize handling considerations and potential risks.
In rats, the acute oral LD50 is 54.5 mg/L. This indicates moderate toxicity when ingested and requires strict handling to prevent accidental intake.
In rabbits, the acute dermal LD50 is greater than 2000 mg/kg. Tests show no irritation to rat or rabbit skin and eyes, and no sensitization in guinea pigs.
Animal feeding trials show no observed effect concentration at 50 mg/kg. Long-term tests report no evidence of carcinogenic, teratogenic, or mutagenic effects.
Three-generation reproduction studies in animals show no abnormal outcomes. The compound does not impair fertility or cause developmental effects in tested species.
Bifenthrin is highly toxic to fish and aquatic organisms. Bluegill LC50 is 0.35 μg/L, rainbow trout LC50 is 0.15 μg/L, and daphnia LC50 is 0.16 μg/L.
For birds, oral LC50 in mallards is 1280 mg/kg feed (8 days). In quail, the LC50 is 4450 mg/kg feed (8 days), showing lower risk to avian species.
Bifenthrin requires careful storage and transport to ensure safety and product quality. The following points summarize packaging and logistics requirements.
· Storage Conditions: Store in a well-ventilated, cool, and dry warehouse to maintain stability.
· Separation from Food: Keep separate from food and raw materials during storage and transport.
· Flammability: Treat as a flammable material and prevent exposure to open flames or sparks.
· Combustion Hazards: Burning produces toxic gases, including chlorides and fluorides. Proper fire safety measures are required.
