Herbicide

Cyhalofop-butyl

Chemical: 氰氟草酯
Use category: Herbicides > Phenoxy herbicides
Content & formulation: 97%,10%EC
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  • Chemistry Identity
  • Technical sheet
  • Application

CAS No.】: 122008-85-9

CAS】: butyl (2R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propanoate

Molecular Formula】: C20H20FNO4


 

Molecular weight】:357.4.

Physical form】:White crystalline solid.

Density】:1.172 (20 °C);

Composition】:Material is the resolved (R)- isomer.

Melting point】:50 °C;

Vapour pressure】:1.2×10-3 mPa (20 °C);

Henry constant】:9.51×10-4 Pa m3 mol-1 (calc.);

Partition coefficient(n-octanol and water)】:logP = 3.31 (25 °C);

Solubility】:In water 0.44 (unbuffered), 0.46 (pH 5), 0.44 (pH 7.0) (all mg/l, 20 °C).

In acetonitrile >250, n-heptane 6.06, n-octanol 16.0, dichloroethane >250, methanol >250, acetone >250, ethyl ac; Stability:Stable at pH 4, hydrolysed slowly at pH 7. At pH 1.2 or pH 9, decomposition is rapid.? 20°C: in acetonitrile, acetone, dichloroethane, methanol all >250 g/l; n-heptane 6 g/l; n-octanol 16 g/l.


 

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