Product Name

Rimsulfuron

Function

Herbicide

Specification

95%Tech, 25%WDG, Rimsulfuron 50% + Thifensulfuron-methyl 25%WDG

Chemical Name

N-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(ethylsulfonyl)-2-pyridinesulfonamide

CAS No.

122931-48-0

Empirical Formula

C14H17N5O7S2

Toxicology

Oral Acute oral LD50 for rats >5000 mg/kg.

Skin and eye Acute percutaneous LD50 for rabbits >2000 mg/kg. Non-irritating to skin; moderately irritating to eyes (rabbits). Non-sensitising to skin (guinea pigs).

Inhalation LC50 (4 h) for rats >5.4 mg/l air.

NOEL (2 y) for male rats 300, female rats 3000 ppm; (18 mo) for mice 2500 ppm; (1 y) for dogs 50 ppm. NOEL in 2-generation rat reproduction study 3000 ppm. Not teratogenic or oncogenic.

Toxicity class WHO (a.i.) U

Applications

Mode of action Selective systemic herbicide, absorbed by the foliage and roots, with rapid translocation to the meristematic tissues. UsesRimsulfuron is a post-emergence sulfonylurea herbicide that effectively controls most annual and perennial grasses and several broad-leaved weeds in maize. Also used in tomatoes and potatoes. The target rate for most situations is 15 g/ha. Rimsulfuron has a wide crop-safety margin under most conditions.