Overview
Haloxyfop-P-methyl is a selective herbicide belonging to the aryloxyphenoxypropionate (AOPP) family. It is widely used in agriculture to control annual and perennial grasses in broadleaf crops. The compound is known for its systemic action, meaning it is absorbed by the foliage and translocated throughout the plant, ensuring effective weed control. Developed as a more efficient variant of haloxyfop, the P-methyl form exhibits higher activity against target weeds. Its selective nature allows it to spare broadleaf crops while effectively eliminating grassy weeds, making it a preferred choice for integrated weed management systems.
Physical and Chemical Properties
Haloxyfop-P-methyl is a white to light brown crystalline solid with a molecular weight of 375.73 g/mol. It has a density of 1.34 g/cm³ and a melting point range of 55-57°C. The compound is soluble in organic solvents like acetone, methanol, and xylene but has limited solubility in water. Its chemical stability under normal storage conditions makes it suitable for long-term use. However, it degrades under strong alkaline or acidic conditions, which should be considered during formulation and application. The compound's low volatility reduces the risk of drift, enhancing its safety profile during field applications.
Main Applications
Haloxyfop-P-methyl is primarily used to control grassy weeds in broadleaf crops such as soybeans, cotton, peanuts, and sunflowers. It is effective against a wide range of grasses, including barnyardgrass, foxtail, and crabgrass. The herbicide is typically applied post-emergence, targeting weeds at early growth stages for optimal results. In addition to field crops, it is also used in orchards and vineyards to manage grass weeds without harming the main crops. Its systemic action ensures thorough weed control, reducing the need for multiple applications. The compound is often formulated as an emulsifiable concentrate (EC) for ease of application.
Safety and Storage
Haloxyfop-P-methyl is classified as toxic if ingested or inhaled, and it can cause skin and eye irritation. Proper personal protective equipment (PPE), including gloves, goggles, and respirators, should be worn during handling. Avoid direct contact with skin and eyes, and ensure adequate ventilation in enclosed spaces. Storage should be in a cool, dry place away from direct sunlight and moisture. The compound should be kept in its original container, tightly sealed, and away from food and feed. Spills should be contained and cleaned up immediately using inert absorbent materials, followed by proper disposal according to local regulations.
B2B Procurement Guide
When procuring Haloxyfop-P-methyl, buyers should verify the CAS number (69806-40-2) and purity specifications to ensure product authenticity. Reputable suppliers should provide certificates of analysis (CoA) and material safety data sheets (MSDS). Price ranges commonly vary between $50-$100 per kilogram, depending on purity and supplier. Bulk purchases may attract discounts. Buyers should also confirm that the supplier complies with local and international regulations, including REACH and EPA guidelines. Logistics considerations include ensuring proper packaging to prevent contamination and degradation during transit.
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