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Red Sun Bifenthrin (CAS 82657-04-3) is a high-performance pyrethroid insecticide and acaricide with broad-spectrum pest control capabilities. This modern synthetic compound delivers effective stomach poisoning and contact action against various agricultural pests while maintaining moderate toxicity levels for humans and animals.
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Red Sun Bifenthrin, CAS 82657-04-3 with the molecular formula C₂₃H₂₂ClF₃O₂, is an advanced pyrethroid insecticide engineered for broad-spectrum pest management in commercial agriculture. Presenting as a distinctive gray-white crystalline solid with a faint, characteristic chemical profile, this active ingredient demonstrates exceptional stability and strong soil affinity. Unlike many conventional alternatives, Bifenthrin offers a unique dual-action capability, functioning effectively as both an insecticide and an acaricide through contact and stomach poison pathways.
A primary advantage of this technical-grade material is its outstanding adaptability for downstream formulation. The stable physicochemical properties allow formulators to easily process it into various commercial delivery systems, including Emulsifiable Concentrates (EC) and Suspension Concentrates (SC). Furthermore, it exhibits excellent compatibility when tank-mixed or co-formulated with other active ingredients, providing agronomic professionals with versatile tools to combat complex, overlapping pest pressures on cotton, vegetables, fruit orchards, and tea plantations.
The precise physical and chemical parameters of our technical-grade Bifenthrin ensure absolute consistency for industrial formulators. Maintaining a strict melting point and stable vapor pressure is critical for preventing active ingredient degradation during high-shear milling or emulsification processes. The distinct solubility profile—highly soluble in organic solvents like toluene and chloroform while remaining completely insoluble in water—guarantees excellent rainfastness and prolonged residual efficacy once applied in the field. These validated parameters support reliable batch-to-batch manufacturing and predictable field performance.
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 operates by fundamentally disrupting the sodium channel functions within the insect's central and peripheral nervous systems. By delaying the closure of these voltage-gated channels, it causes continuous nerve excitation. This rapid interference leads to immediate tremors, irreversible paralysis, and subsequent mortality. Its efficacy is guaranteed through both direct topical contact during spraying and ingestion of treated plant tissues.
The compound is strategically deployed across high-value cash crops including cotton, diverse vegetables, fruit orchards, and tea plants. It serves as a frontline defense mechanism, controlling populations of aphids, aggressive mites, bollworms, and leafhoppers, thereby securing crop vigor and maximizing the final harvest yield for large-scale agricultural operations.
Manufactured as a distinct gray-white solid, technical-grade Bifenthrin features a melting point range of 61–66℃ (pure standard 68–70.6℃). With a relative density of 1.210 at 25℃ and a low vapor pressure of 2.4×10⁻⁵ Pa, the material resists volatilization after application. The flash point of 165℃ provides a practical safety margin during formulation heating and processing stages.
The lipophilic nature of the compound allows it to dissolve completely in strong organic solvents such as acetone, chloroform, dichloromethane, and toluene. While it exhibits partial solubility in methanol and heptane, its strict insolubility in water is its greatest agronomic asset, preventing the active ingredient from washing away during heavy rainfall or overhead irrigation.
Featuring an exceptionally high octanol/water partition coefficient of 1,000,000, Bifenthrin binds tightly to soil organic matter, eliminating the risk of groundwater leaching. It maintains structural integrity for over one year under standard room temperature storage. In field conditions, it offers a prolonged half-life of 255 days under direct sunlight and 65–125 days in soil environments, ensuring extended protection windows.
As a versatile pyrethroid, this active ingredient delivers targeted intervention against an extensive spectrum of destructive insects and mites. By addressing multiple pest categories simultaneously, it simplifies inventory management for formulators and reduces the need for complex tank mixes in the field. Below are the specific operational advantages against key agricultural threats.
Bifenthrin provides aggressive control over the cotton bollworm, a primary driver of severe lint damage and yield reduction in fiber crops. The compound immediately disrupts the feeding cycle of the larvae upon contact, halting reproductive maturity and preventing the pests from penetrating the valuable cotton bolls.
Unlike standard insecticides, it exhibits potent acaricidal properties effective against red spider mites in cotton, eggplant, and tea canopies. These microscopic pests drain cellular fluids, causing leaf stippling and severe defoliation. Bifenthrin treatments quickly suppress mite populations, protecting the plant's photosynthetic capacity.
Orchard managers rely on this solution to manage peach and pear fruit borers. These internal feeders bore into developing fruit tissue, rendering the harvest unmarketable for fresh produce sectors. Timely application establishes a protective barrier on the fruit epidermis, preventing larval entry and preserving premium fruit quality.
The formulation effectively targets hawthorn spider mites and citrus red mites, which are notorious for rapidly developing resistance to single-site acaricides. By limiting the spread of these leaf-feeding pests, the product maintains robust plant vigor and ensures that citrus and pome fruit trees retain the energy reserves necessary for fruit sizing.
Bifenthrin swiftly neutralizes yellow stink bugs and tea stink bugs. These insects utilize piercing-sucking mouthparts to inject enzymes into plant tissues, triggering premature fruit drop and necrotic leaf spotting. Suppressing these populations directly correlates to reduced economic losses in commercial orchards and tea estates.
Applied across intensive vegetable production systems, it manages complex overlapping populations of aphids, cabbage worms, and diamondback moths. By preventing defoliation and viral transmission in cabbage and leafy greens, the product guarantees the visual perfection and structural integrity required by modern produce supply chains.
In controlled environment agriculture, greenhouse whiteflies multiply rapidly, excreting honeydew that promotes sooty mold and acting as vectors for devastating plant viruses. Bifenthrin delivers reliable knockdown power in these enclosed environments, maintaining the strict hygiene required for profitable indoor cultivation.
The compound specifically targets defoliators like tea leafrollers and tea caterpillars that consume tender apical shoots. Because the economic value of tea relies entirely on the intact harvesting of young leaves, this targeted control ensures consistent leaf grading, optimal flavor profiles, and stable production volumes throughout the plucking season.
Bifenthrin is seamlessly integrated into diverse agronomic and horticultural frameworks. Its reliable residual activity and broad-spectrum efficacy make it a foundational component in modern Integrated Pest Management (IPM) programs. The following scenarios highlight its primary commercial deployments.
In large-scale cotton farming, the product is applied during critical squaring and boll-formation stages. By simultaneously controlling lepidopteran larvae (bollworms) and arachnids (red spider mites), it prevents the destruction of fruiting branches, thereby securing fiber length, strength, and overall lint yield.
Vegetable growers utilize this active ingredient on brassicas, solanaceous crops like eggplant, and various leafy greens. It provides a vital defense against chewing caterpillars and sap-sucking aphids. When applied according to strict pre-harvest intervals, it protects the cosmetic appearance and biomass of the harvest.
Orchard applications focus on protecting apples, pears, and citrus varieties during fruit development. By establishing a durable toxicological barrier on the foliage and fruit surface, it drastically reduces damage from borers, mites, and stink bugs, ensuring a higher percentage of the crop meets rigorous export-grade standards.
Widely adopted in commercial tea estates, the treatment mitigates the physical damage caused by tea caterpillars and leafrollers. Proper application scheduling allows plantation managers to maintain continuous vegetative growth and harvest premium, undamaged flushes while adhering to regional residue management guidelines.
Within the high-humidity, temperature-controlled environments of commercial greenhouses, pest life cycles accelerate exponentially. Bifenthrin is applied to combat whiteflies and mites, preventing the rapid spread of viral pathogens and ensuring that intensive indoor farming operations achieve their projected yield targets without catastrophic pest outbreaks.
Handling technical-grade agrochemicals requires strict adherence to occupational health standards. We provide clear Permissible Exposure Limits (PEL) and Recommended Exposure Limits (REL) guidelines, alongside detailed NFPA hazard ratings, to ensure safe factory-level processing. The following toxicological and ecological data points dictate our standardized emergency response and handling protocols.
In controlled rat studies, the acute oral LD50 is measured at 54.5 mg/L. This classification indicates moderate toxicity upon ingestion. Factory personnel must employ strict hygiene protocols, utilizing appropriate respiratory protection and preventing any accidental intake during the milling and formulation stages.
Testing on rabbits demonstrates an acute dermal LD50 greater than 2000 mg/kg. Comprehensive evaluations reveal no irritation to the skin or eyes of rats and rabbits, and guinea pig trials confirm an absence of dermal sensitization. Nevertheless, standard chemical-resistant PPE is mandatory during all handling procedures.
Long-term animal feeding trials have established a no-observed-effect concentration (NOEC) at 50 mg/kg. Extensive GLP-compliant chronic toxicity tests confirm that the compound presents no evidence of carcinogenic, teratogenic, or mutagenic effects, supporting its safety profile for long-term agricultural use.
Rigorous three-generation reproduction studies conducted on animal models exhibit no abnormal developmental outcomes. The data conclusively shows that exposure to the compound does not impair fertility, alter reproductive cycles, or cause developmental anomalies in the tested species.
The active ingredient exhibits high toxicity to aquatic ecosystems. Ecotoxicology data indicates a Bluegill LC50 of 0.35 μg/L, a rainbow trout LC50 of 0.15 μg/L, and a daphnia LC50 of 0.16 μg/L. Consequently, strict buffer zones must be maintained near water bodies to prevent agricultural runoff contamination.
Conversely, the compound presents a distinctly lower risk profile to avian species. The oral LC50 in mallard ducks is recorded at 1280 mg/kg feed over an 8-day period, while in quail, the LC50 reaches 4450 mg/kg feed (8 days). This selective toxicity aids in minimizing unintended ecological impacts on farmland bird populations.
To support global supply chains, we possess robust scale-up capabilities, maintaining substantial spot inventory to fulfill orders ranging from kilogram-level experimental batches in specialized foil bags to multi-ton industrial consignments in UN-approved fiber drums. Proper logistics and storage are paramount for maintaining the chemical integrity of the active ingredient.
· Storage Conditions: The material must be stored in a well-ventilated, cool, and strictly dry warehouse environment. Controlling ambient moisture and temperature prevents physical caking and maintains the chemical stability of the solid technical material.
· Separation from Food: Logistics protocols mandate absolute segregation from food, animal feed, and other sensitive raw materials during both warehouse storage and global transit to eliminate cross-contamination risks.
· Flammability: Given its flash point of 165℃, the technical material must be treated as a combustible substance. Warehouse managers must enforce strict no-smoking policies and prevent any exposure to open flames, static sparks, or intense heat sources.
· Combustion Hazards: In the event of a thermal incident, burning Bifenthrin will release highly toxic and corrosive byproducts, specifically hazardous chlorides and fluorides. Facilities must be equipped with appropriate fire suppression systems and personnel trained in hazardous chemical emergency response.
Understanding the rigorous demands of international chemical procurement and local agricultural registrations, we provide comprehensive technical and compliance support to facilitate smooth market entry for our partners.
Stringent Quality Control: Every batch is accompanied by a detailed Certificate of Analysis (COA) and full-spectrum testing reports, guaranteeing high purity levels and absolute consistency across all manufacturing cycles.
Registration Assistance: We supply exhaustive GLP-certified toxicological, ecological, and environmental fate data packages. This robust documentation empowers clients to efficiently navigate and complete pesticide product registrations in their target regional markets.
Technical Documentation: Shipments include globally compliant Material Safety Data Sheets (MSDS) and Technical Data Sheets (TDS). Furthermore, we can provide analytical standards and impurity reference materials to support your internal R&D and strict quality inspection protocols.
