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Chemical Identification
Common Name
Metsulfuron-methyl
中文通用名
甲磺隆
IUPAC
methyl 2-(4-methoxy-6-methyl-1,3,5-triazin-2-ylcarbamoylsulfamoyl)benzoate
CAS
methyl 2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]benzoate
CAS No.
74223-64-6
Molecular Formula
C14H15N5O6S
Molecular Structure
Category
Activity
metsulfuron-methyl is a systemic compound with foliar and soil activity, and it works rapidly after it is taken up by the plant. Its mode of action is by inhibiting cell division in the shoots and roots of the plant, and it is biologically active at low use rates.
CropUse
It kills broadleaf weeds and some annual grasses in barley, wheat and pastures.
Premix
Tribenuron-methyl+metsulfuron-methyl
Metsulfuron-methyl+triclopyr
Metsulfuron-methyl+thifensulfuron-methyl+tribenuron-methyl
Metsulfuron-methyl+thifensulfuron-methyl
Metsulfuron-methyl+sulfosulfuron
Metsulfuron-methyl+sulfometuron-methyl
Metsulfuron-methyl+propanil
Metsulfuron-methyl+picloram
Metsulfuron-methyl+nicosulfuron
Metsulfuron-methyl+imazapyr+sulfometuron-methyl
Metsulfuron-methyl+imazapyr
Metsulfuron-methyl+glyphosate
Metsulfuron-methyl+chlorsulfuron
Metsulfuron-methyl+carfentrazone-ethyl
Metsulfuron-methyl+aminopyralid
Metsulfuron-methyl+acetochlor
Metsulfuron-methyl+2,4-D+dicamba
Metsulfuron-methyl+2,4-D
metsulfuron-methyl + thifensulfuron-methyl + fluroxypyr 1-methylheptyl ester
Bensulfuron-methyl+metsulfuron-methyl+acetochlor
Bensulfuron-methyl+metsulfuron-methyl
Dry flowable. Premix Parters: buprofezin; cartap hydrochloride;
Physical Properties
Faint, sweet ester-like, white-to-pale yellow solid. Melting point 158°C. Soluble in acetone, methanol, and methylene chloride. Slightly soluble in hexane.
Toxicology
(Rat): Oral LD50 >5000 mg/kg. (Rabbit): Dermal LD50 >2000 mg/kg
Environmental Profile
SOIL PARTICLE ADSORPTION: pKa is 3.3 (in water at 25°C) and KD value is 1.4, Flanagan silt loam (pH = 6.5, 4.02% organic matter) WATER SOLUBILITY: 1750-9500 ppm at 25°C (pH 5.4-6.7)
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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