Oxadiazon

Synonyms

1,3,4-Oxazol-2(3H)-one, 3-(2,4-dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-; 2-tert-Butyl-4-(2,4-dichloro-5-isopropoxyphenyl)-delta(sup 2)-1,3,4-oxadiazolin-5-one; 2-tert-Butyl-4-(2,4-dichloro-5-isopropoxyphenyl)-delta2-1,3,4-oxadiazolin-5-one (8CI); 2-tert-Butyl-4-(2,4-dichloro-5-isopropyloxyphenyl)-1,3,4-oxadiazolin-5-one; 3-(2,4-Dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one (9CI); 3-(2,4-Dichloro-5-isopropyloxy-phenyl)-delta(sup 4)-5-(tert-butyl)-1,3,4-oxadiazoline-2-one; 5-tert-Butyl-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazol-2(3H)-one; G 315; Oxadiazone; RP 17623; Ronstar; [ChemIDplus]

Category

Herbicides, Protox-Inhibiting

Description

White odorless solid; [Merck Index]

Sources/Uses

Used as selective pre-emergence herbicide; [Merck Index]

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." A mild eye irritant; [HSDB] An eye irritant; [eChemPortal: ERMA] An irritant; Targets the liver; [MSDSonline] See "Fluthiacet-methyl."

Reference Link #1

Biomedical References

1.12E-07 mm Hg

LC50 (rat) > 200,000 mg/m3

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)