基本介紹
- 中文名:氟磺唑草胺
- 外文名: Flumetsulam
- 狀態:灰白色無味固體
- 熔點:251~253℃
簡介,性狀描述,毒理性質,作用特點,
簡介
英文通用名稱: Flumetsulam
中文通用名稱: 氟唑嘧磺草胺
英文商品名稱: Broadstrike[陶氏益農]; DE-498; XRD-498; Aurora;Preside,Scorpion
中文商品名稱: 唑嘧磺草胺;闊草清[陶氏益農]
英文化學名稱: N-(2,6-difluorophenyl)-5-methyl[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfonamide
中文化學名稱: 2-(2,6-二氟苯基磺醯胺基)-5-甲基-[1,2,4]-三唑[1,5a]嘧啶
性狀描述
灰白色無味固體,熔點251~253℃,蒸氣壓0.37nPa(25℃),密度1.77(21℃),溶 解度水中49mg/L(pH2.5溶解度隨pH值升高),在丙酮、甲醇中輕微溶解,不溶 於二甲苯、己烷,水中光解6-12月,土中光解3個月。Composition:Form:Off-white odourless solid. M.p.: 251-253 ℃ B.p.: V.p.: 3.7 ×10 mPa (25 ℃) Henry: S.g./density: 1.77 (21 ℃) Solubility: In water 49 mg/l (pH 2.5; solubility increases with pH). Very slightly soluble in acetone and methanol. Insoluble in hexane and xylene.Stability: Aqueous photolysis DT50 6-12 mo. Soil photolysis DT50 3 mo. F.p.: >93 ℃
毒理性質
急性經口:>5000mg/kg;急性經皮:>2000mg/kg(兔)。Oral: Acute oral LD50 for rats >5000 mg/kg.Skin and eye Acute percutaneous LD50: for rabbits >2000. Non-sensitising to skin (guinea pigs). Slightly irritating to eyes (rabbits). Inhalation: (4 h) >1.2 mg/l.Birds: Acute oral LD50 for bobwhite quail >2250 mg/l. Eight-day dietary LC50 for bobwhite quail and mallard duck >5620 mg/l.Fish: LC50 (96 h) for silverside minnow >379 mg/l. Non-toxic to fathead minnow and bluegill sunfish.Bees: LC50 >100 μg/bee. NOEL 36 μg/bee.Daphnia: Non-toxic.Algae: Worms: Other aquatic spp.: LC50 for shrimp >349.
作用特點
是ALS抑制劑,對菸草離體ALS酶I50值為0.02mg/kg。