Sulfentrazone

Synonyms

Authority; F 6285; N-(2,4-Dichloro-5-(4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl)phenyl)methanesulfonamide; [ChemIDplus]

Category

Herbicides, Protox-Inhibiting

Description

Tan solid; [Merck Index] Colorless solid; [MSDSonline]

Sources/Uses

Used as pre-emergence or pre-plant herbicide for control of broad-leaved and grass weeds in soybeans, sugarcane, tobacco, and turf; [HSDB] Used as a herbicide in the production of soybeans; [Reference #1]

Comments

The protox inhibitor herbicides (Fomesafen, Oxadiazon, Lactofen, Sulfentrazone, Carfentrazone-ethyl, Oxyfluorofen and Bifenox) can disrupt porphyrin metabolism; "It has been speculated that a transient form of porphyria variegate may occur following a massive exposure or long-term exposure to lower doses." [HSDB] Reproductive toxin in animal studies; [PubChem] May cause eye irritation; [MSDSonline] See "Fluthiacet-methyl."

Reference Link #1

Biomedical References

9.75E-10 mm Hg

LC50 (rat) > 4,140 mg/m3/4h

Yes

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)