Product name

Thifensulfuron-methyl 95%TC 50%WP 75%WP 25%WDG 75%WDG

 General info

Common name: Rimsulfuron 

Chemical name: Methyl 3-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]-2-

thiophenecarboxylate

CAS No: 79277-27-3

Molecular Formula: C12H13N5O6S2 

 Properties

Appearance: White crystal

Molecular Weight: 387.38

Density: 1.56 g/cm3
Refractive index: 1.608
Solubility: In water, 2.24X10+3 mg/L at 25 deg C

Toxicity

MAMMALIAN 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; mild but reversible irritant to eyes. Not a skin sensitiser. Inhalation LC50 (4 h) for rats >7.9 mg/l air. NOEL (90 d) for rats 100 mg/kg diet, for mice 7500 mg/kg diet, for dogs 1500 mg/kg diet; (2 y) for rats 25 mg/kg diet. NOEL in: reproduction (2-generation) in rats 2500 mg/kg diet; teratogenicity in rats 200 mg/kg daily, in rabbits >650 mg/kg daily. ADI 0.026 mg/kg. Other Non-mutagenic in the Ames and three other mutagenicity tests. Toxicity class WHO (a.i.) III (Table 5); EPA (formulation) IV (TB, WG)

ECOTOXICOLOGY 
Birds Acute oral LD50 for mallard ducks >2510 mg/kg. Dietary LC50 (8 d) for mallard ducks and Japanese quail >5620 mg/kg diet. Fish LD50 (96 h) for rainbow trout and bluegill sunfish >100, catfish 360 mg/l. Daphnia LC50 (48 h) 970 mg/l. Bees Non-toxic to bees. LD50 (topical) >12.5 mg/bee. Worms >2000 mg/kg.

Application

Used in winter and spring wheat, winter and spring barley, rye, triticale, oats, soya beans, pasture and maize (grain and fodder). Post-emergence control of broad-leaved weeds and also loose silky-bent (Apera spica-venti) in winter and spring cereals. Application rates 9-60 g/ha. Normally used in combination with metsulfuron-methyl.

  Specifications         

  Others