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Agrochemicals

Fenoxaprop-p-ethyl

CAS: 71283-80-2

Overview

Fenoxaprop-p-ethyl (CAS 71283-80-2 ) is a selective post-emergent herbicide active ingredient used in crop protection to control grass weeds in broadleaf crops. It belongs to the aryloxyphenoxypropionate chemical class and acts by inhibiting acetyl-CoA carboxylase in target grasses.

Procurement is driven by demand from agrochemical formulators, generic manufacturers, and registrants developing herbicide products for global markets. It is the primary active ingredient in formulated herbicides targeting annual and perennial grass weeds.

Targeted species include wild oat, blackgrass, and ryegrass in wheat, barley, rice, and soybean crops. Formulators incorporate it into emulsifiable concentrate and oil dispersion products, often combined with safeners to broaden crop tolerance.

Contract manufacturers source it as a technical-grade active for generic herbicide registration under FAO /WHO specifications. It is also used in turf and non-crop applications where selective grass control is required.

This chemical allows for effective management without damaging broadleaf vegetation in diverse agricultural settings. Fenoxaprop-p-ethyl is supplied as a technical-grade solid or concentrated liquid for industrial use.

Purity levels are typically at 93% or above for formulation use, ensuring high efficacy in final products. It is available under international agrochemical registration standards to meet global regulatory needs.

Packaging ranges from drum quantities to bulk supply depending on formulation-scale requirements. This flexibility supports both large-scale manufacturing and specialized agricultural chemical production facilities.

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Physical Properties

Melting Point90 °C
Boiling Point>300 °C
Density1.310±0.06 g/cm3(Predicted)
AppearanceColorless or white solid. Liquid form is dark brown with an aromatic hydrocarbon odor.
ColorWhite to off-white
Formneat
Water Solubility705.4ug/L(temperature not stated)

Safety & Handling

Warning GHS07 GHS08 GHS09 Hazard Statements H317 H317 H373 H373 H400 H400 H410 H410 Precautionary Statements P260 P260 P261 P261 P272 P272 P273 P273 P280 P280 P319 P319 P321 P321 P391 P391 P501 P501 P302+P352 P302+P352 P333+P317 P333+P317 P362+P364 P362+P364

Trade & Regulatory

UN Number3077
ADR Class9
Packing GroupIII
WGK (Germany)2

Other Names

Ethyl (2R)-(+)-2-[4-(6-chlorobenzoxazol-2-yloxy)phenoxy]propionate | ethyl (2R)-2-[4-[(6-chloro-13-benzoxazol-2-yl)oxy]phenoxy]propanoate | 54CSW9U08K | RICESTAR | Propanoic acid2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]-ethyl ester(2R)- | Propanoic acid2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]-ethyl ester(R)- | Fenoxaprop-P ethyl ester | HOE 046360

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Chemical Properties

CAS Number
71283-80-2
EC Number
412-200-3
Mol. Weight
361.8

Industries

Documentation