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Chemical Identification
Common Name
Foramsulfuron
中文通用名
甲酰氨基嘧磺隆
IUPAC
1-(4,6-dimethoxypyrimidin-2-yl)-3-[2-(dimethylcarbamoyl)-5-formamidophenylsulfonyl]urea
CAS
2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-4-(formylamino)-N,N-dimethylbenzamide
CAS No.
173159-57-4
Molecular Formula
C17H20N6O7S
Molecular Structure
Category
Activity
Herbicide
Premix
Foramsulfuron+Iodosulfuron-methyl-sodium+Thiencarbazone-methyl
Water dispersible granule. 
Premix Parters: anthraquinone bitertanol; bitertanol; bitertanol triadimenol; imazalil triadimenol; triadimenol;
Physical Properties
Molecular weight:452.4; Yellow-brownish solid, fine grained granule; weak aromatic odor.
Toxicology
Oral:Acute oral LD50 for rats >5000 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats >2000 mg/kg. Non-irritating to skin, mildly irritating to eyes (rabbits). Inhalation: LC50 for rats >5.04 mg/l. 
Moderate skin irritation; mild eye irritation
Environmental Profile
HAZARDS: 
Bird: Oral LD50 >2000 mg/kg (bobwhite quail, mallard duck). LC50 >5000 ppm (bobwhite quail, mallard duck)

Environmental fate: 
Animals:In rats, following oral administration, 91% was eliminated within 24 h, mainly in the faeces, as unchanged foramsulfuron. Metabolism proceeds largely as in plants.Plant:In maize, metabolism is by hydrolysis of the sulfonylurea bridge, with formation of 4-formylamino-N,N-dimethyl-2-sulfamoylbenzamide and 2-amino-4,6-dimethoxypyrimidine, and by hydrolysis of the formamide moiety on the phenyl ring to produce 4-ami
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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