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)

Safety Information

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)

FLUPYRSULFURON-METHYL SODIUM Usage And Synthesis

Chemical Properties

Fludioxonil pure product is white powdery solid with irritating odor, melting point 165~170℃(decomposition), relative density 1.55(19.3℃). Distribution coefficient Kow lgP(20℃):0.96(pH 5),0.10(pH 6).Henry's constant(20℃,Pa-m3/mol):<1×10-8(pH5),<1×10-9(pH 6). Solubility in water(20℃ , mg/L):62.7(pH 5), 603(pH 6);Solubility in other solvents(20℃ ,g/L):dichloromethane0.60, acetone3.1, ethyl acetate0.49, acetonitrile4.3, n-ethylhexane<0.001, methanol5.0.Stability:Stable in most of the solvents;DT50:44d(pH 5). 12d (pH 7), 0.42d (pH 9). pKa 4.9.

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.

FLUPYRSULFURON-METHYL SODIUM(144740-54-5)Related Product Information

• Hydrogen fluoride
• Flazasulfuron
• Sulfometuron-methyl
• METHYL6-(TRIFLUOROMETHYL)NICOTINATE
• 2-Pyridinesulfonamide(6CI,7CI,9CI)
• FLUPYRSULFURON-METHYL SODIUM
• 6-(Trifluoromethyl)nicotinic acid
• 2-Pyridinesulfonamide, 3-methyl-
• 6-METHYLPYRIDINE-2-SULFONAMIDE
• 5-(bromomethyl)-2-(trifluoromethyl)pyridine