Tebuthiuron

Synonyms

1-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea; 1-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-3-dimethylharnstoff [German]; Brulan; Brush bullet; EL-103; Graslan; Graslan 250 brush bullets; N-(5-(1,1-Dimethylaethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylharnstoff [German]; N-(5-(1,1-Dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylurea; Perflan; Prefmid; SHA 105501; Spike; Spike 80W; Tebulan; Tebuthiuron; Tiurolan; Urea, 2-(5-tert-butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethyl- (8CI); Urea, N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethyl-(9CI); [ChemIDplus]

Category

Herbicides, Urea Derivative

Description

Off-white crystals with a pungent odor formulated for spray, granules or pellets; [EXTOXNET]

Sources/Uses

Used as a broad-spectrum herbicide in non-farm areas; [EXTOXNET]

Comments

Urea-derived herbicides have low toxicity in animal feeding studies; [HSDB] Systemic toxicity unlikely unless large amounts ingested; [EPA Pesticides, p. 122] It has low toxicity by ingestion and skin absorption when tested in experimental animals. The oral LD50 in rats is 644 mg/kg. [EXTOXNET]

Reference Link #1

Biomedical References

2E-06 mm Hg

LC50 (rat) >3696 mg/m3

Reference Link #2

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)