chemical · input

Propanil Herbicide (Rice-Selective)

Primary post-emergence herbicide for US rice; selective for rice over grasses and sedges; applied at 3-4 lbs ai/acre; FMC and Dow/Corteva produce; barnyard grass (Echinochloa) resistance emerging in Arkansas

Source countries

Companies

Goods affected

Claims on record

What depends on it

Goods that need this input

1 essential American goods rely on propanil herbicide (rice-selective) somewhere upstream in their supply chain.

Food

Rice

Global staple grain with export-control sensitivity; India, Thailand, and Vietnam dominate trade flows.

Where it comes from

Source countries

Share of global supply, by country.

Country	Share of supply
CNChina	62%
USUnited States	20%
INIndia	8%
BRBrazil	5%

Who makes it

Supplier companies

3 companies produce propanil herbicide (rice-selective).

FMC Corporation(FMC)

HQ US35% share

FMC Corporation (Philadelphia PA; NYSE: FMC) manufactures bifenthrin (Brigade, Capture) and other pyrethroid insecticides for specialty crop and turf markets. FMC's bifenthrin is the dominant insecticide for California strawberries and is widely used in professional pest control. FMC sources bifenthrin technical grade primarily from its own manufacturing (La Porte TX plant for some formulations) and through Asian suppliers. FMC also develops next-generation insecticides (diamides, SDHI combinations) but remains a significant pyrethroid market participant.

Corteva Agriscience

HQ US30% share

Spin-off of DowDupont (2019); legacy Dow AgroSciences and DuPont Pioneer; corn herbicides and insecticides.

Nanjing Redsun Co., Ltd.

HQ CN20% share

Major Chinese agrochemical company producing propanil and other off-patent herbicide active ingredients. A key global supplier of propanil technical grade (97%+ purity) for US and global formulation markets. Publicly listed on Shenzhen Stock Exchange.

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