Product Name: Florasulam
Molecular Formula: C₁₂H₈F₃N₅O₃S
Molecular Weight: 359.3
Structural Formula:

CAS NO.: 145701-23-1
Content: 95%min; Package: 25KG Fiber Drum
Formulation: 5%SC
Chemical Name:2’, 6’-difluoro-5-methoxy-8-fluoro [1, 2, 4] triazolo [1, 5-c] pyrimidines-2-sulfonanilide
Physical and Chemical Properties: The appearance is white solid, melting point is 193.5-230.5^oC, relative density is 1.77 at 21^oC. The vapor pressure is 1X10-2mPa at 25^oC. The solubility in water is 6.36g/L at 20^oCand the pH is 7.0.
Toxicity: Acute oral toxicity for rat is LD₅₀>6000mg/kg. Acute dermal toxicity for rabbit is LD₅₀>2000mg/kg. It is irritant to rabbit eyes but not to rabbit skin. Acute oral toxicity for quail is LD₅₀>6000mg/kg, feeding quail and wild duck is LD₅₀(5d)>5000mg per kilogram feed. Toxicity for fish is LC₅₀(96h,mg/L)more than 86 for rainbow trout, more than 98 for giant sunfish. Oral and contact toxicity is LD₅₀(48h)>100μg for each bee. LD₅₀(14d)for earthworm is more than 1320mg per kilogram soil.
Application: It is mainly used for preventing and killing of post-emergence broad leaves weeds in wheat and corn field such as catchweed, chickweed, polygonum weeds and composite weeds.