Chemical: 顺式氯氰菊酯
Use category: Insecticides > Pyrethroid insecticides Acaricides / Miticides > Pyrethroid acaricides
Content & formulation: 98%,10%EC
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  • Chemistry Identity
  • Technical sheet
  • Application

CAS No.】: 67375-30-8

CAS】: (R)-cyano(3-phenoxyphenyl)methyl (1S,3S)-rel-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate

Molecular Formula】: C22H19Cl2NO3


Molecular weight】:416.3.

Physical form】:Colourless crystals; (tech. is a white to pale powder, with a weak aromatic odour).

Density】:1.28 (22 ℃);

Composition】:Tech. grade alpha-cypermethrin is >90% pure m/m, typically >95%.

Melting point】:78-81 ℃; Flash point:>80 ℃ (closed cup);

Vapour pressure】:2.3 × 10-2 mPa(20℃);

Henry constant】:6.9 × 10-2 Pa m3 mol-1 (calc.);

Partition coefficient(n-octanol and water)】:logP = 6.94 ( pH 7);

Solubility】:In water c. 0.01 mg/l (25 ℃).

In acetone 620, dichloromethane 550, cyclohexanone 515, ethyl acetate 440, chlorobenzene 420, acetophenone 390, o-xylene 350, hexane 7 (all in g/l, 25 ℃). In maize oil 19-20, ethylene glyc; Stability:Very stable in neutral and acidic media. Hydrolysed in strongly alkaline media. Thermally stable up to 220 ℃. Field data indicate that, in practice, it is stable to air and light.Soluble in chloroform, methylene chloride, toluene, xylene, acetone. Slightly soluble in petroleum ether, hexane, methanol.



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