Overview
Fomesafen (CAS 72178-02-0 ), also known by its development code PP021, is a post-emergent herbicide active ingredient used in broadleaf weed control across row crop production.
It acts as a protoporphyrinogen oxidase (PPO) inhibitor, disrupting weed growth at the cellular level without tillage intervention. This mechanism makes it a vital tool for modern agriculture.
Fomesafen is the active ingredient in selective herbicide formulations targeting broadleaf weeds in soybean, dry bean, and other legume crops. It is applied post-emergence to control problematic species.
Targeted weeds include pigweed, lambsquarters, and morningglory that compete directly with yield. Agrochemical manufacturers incorporate it into liquid suspension concentrates and premix formulations.
It is often combined with other herbicide actives to broaden the weed control spectrum. Registrants and generic formulators source technical-grade material as the basis for finished herbicide products.
These products are sold under various commercial labels globally. Fomesafen is commercially available as a technical-grade active ingredient, typically supplied as a solid or concentrated liquid.
Finished formulations are commonly produced as soluble concentrates (SL) or suspension concentrates (SC) at defined active ingredient percentages. This ensures stability and efficacy in the field.
Buyers sourcing for formulation typically require documentation aligned with FAO/WHO specifications or regional registration standards. This ensures the material meets necessary safety and quality benchmarks.
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Physical Properties
| Melting Point | 220-221 °C |
| Density | 1.28 g/cm³ @ Temp: 20 °C |
| Appearance | White crystalline solid or powder. |
| Color | White to Off-White |
| Form | neat |
| Refractive Index | 1.5660 (estimate) |
Safety & Handling
Warning GHS07 GHS09 Hazard Statements H302 H302 H312 H312 H332 H332 H400 H400 H410 H410 H302+H332 H302+H332 Precautionary Statements P261 P261 P264 P264 P270 P270 P271 P271 P273 P273 P280 P280 P317 P317 P321 P321 P330 P330 P391 P391 P501 P501 P301+P317 P301+P317 P302+P352 P302+P352 P304+P340 P304+P340 P362+P364 P362+P364
Trade & Regulatory
| HS Code | 29350090 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 72178-02-0
- EC Number
- 276-439-9
- Mol. Weight
- 438.8
- HS Code
- 29350090
- Category
- Agrochemicals