144740-54-5

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144740-54-5 Structure

Identification	Back Directory
[Name] FLUPYRSULFURON-METHYL SODIUM
[CAS] 144740-54-5
[Synonyms] flupyrsulfuron-methyl, FLUPYRSULFURON-METHYL SODIUM flupyrsulfuron-methyl,sodiumsalt Flupyrsulfuron-methyl-sodium [iso] flupyrsulfuron-methyl-sodium (bsi, pa iso) [(4,6-Dimethoxypyrimidin-2-yl)carbamoyl]({[3-(methoxycarbonyl)-6-(trifluoromethyl)pyridin-2-yl]sulfonyl})azanide flupyrsulfuron-methyl-sodium (ISO) methyl 2-[[(4,6-dimethoxypyrimidin-2-ylcarbamoyl)sulfamoyl]-6-trifluoromethyl]nicotinate, monosodium salt
[Molecular Formula] C15H13F3N5NaO7S
[MDL Number] MFCD04112612
[MOL File] 144740-54-5.mol
[Molecular Weight] 487.34

Chemical Properties	Back Directory
[Melting point ] 172-173°
[solubility ] Solubility in organic solvents (g/l at 20 °C) Acetone 3.1 (93.4%) Acetonitrile 4.3 Benzene 0.028 Dichloromethane 0.60 Hexane <0.001 Methanol 5.0 n‐Octanol 0.19
[form ] neat
[pka] 4.9(at 25℃)
[Water Solubility ] Solubility in water (g l?1at 20 °C) 0.06 (93.4%) (pH 5) 0.61 (pH 6) Instability of the solution (pH 7)
[LogP] 0.960
[EPA Substance Registry System] 3-Pyridinecarboxylic acid, 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-6-(trifluoromethyl)-, methyl ester, sodium salt (1:1) (144740-54-5)

Safety Data	Back Directory
[Hazard Codes ] N
[Risk Statements ] 50/53
[Safety Statements ] 60-61
[RIDADR ] UN 3077 9 / PGIII
[WGK Germany ] 3
[Toxicity] LD50 in rats, Japanese quail, mallard duck (mg/kg): >5000, >2250, >2250 orally; in rabbits (mg/kg): >2000 dermally; LC50 (96hr) in rainbow trout, carp (mg/l): 470, 820; LC50 in rats (mg/l): >5.8 by inhalation (Teaney)

Hazard Information	Back Directory
[Uses] Herbicide.
[Agricultural Uses] Flupyrsulfuron‐methyl‐sodium (DPX‐KE459) is a post‐emergent cereal herbicide designed for the control of problem grass weeds, such as Alopecurus myosuroides and Apera spica‐venti, as well as a wide range of broadleaf weeds.

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