FLUPYRSULFURON-METHYL SODIUM

Chemical Properties

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
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)

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)