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Common name: trifloxystrobin
Chemical name: methyl (E)-methoxyimino-{(E)-a-[1-(a,a,a-trifluorom-
tolyl)ethylideneaminooxy]-o-tolyl}acetate
CAS number: 141517-21-7
Molecular formula: C20H19F3N2O4
Molecular mass: 408.4 g/mol
Structural formula:
Property Test Material,
Physical state, colour: off-white powder
Odour : slightly sweet odour
Melting point : 72.9°C
Density: 1.36 g/cm3 at 20°C
Vapour pressure: 3.4 × 10-6 Pa at 25°C (extrapolated from fit of measurements between 40 and 65°C)
Volatility: Henry's law constant at 25°C (calculated): 2.3 × 10-3 Pa × m3/mol
Solubility in water: 0.61 mg/l at 25°C
Because trifloxystrobin has no dissociation constant in an accessible pH range, the pH has no effect on the watersolubility in the pH range 4 to 10.
Solubility in organic solvents:
n-hexane 11 g/l at 25°C
1-octanol 18 g/l at 25°C
methanol 76 g/l at 25°C
toluene 500 g/l at 25°C
ethyl acetate > 500 g/l at 25°C
acetone > 500 g/l at 25°C
dichloromethane > 500 g/l at 25°C
Dissociation constant
Trifloxystrobin does not show any acidic or basic properties in the range pH 2 - pH 12.
Partition coefficient n-octanol/ water POW = 32000 ± 680 at 25°C
log POW = 4.5 ± 0.0094 at 25°C
The effect of pH (4-9) was not investigated because trifloxystrobin has neither acidic nor basic properties in water.
