Alpha-Cypermethrin
Chemical Name:
(R)-cyano(3-phenoxyphenyl)methyl (1S,3S)-rel-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate
Formula: C22H19Cl2NO3
Molecular Weight: 416.30
CAS No.:
67375-30-8
Appearance : TC is a white to pale crystal, with a weak aromatic odour
Melting Point: 75-81°C.
Flash point: >80 °C (closed cup)
Density: 1.28 (22 °C)
Vapour Pressure: 0.23 × 10-2 mPa(20°C).
Stability: Very stable in neutral and acidic media. Hydrolysed in
strongly alkaline media.
Solubility: In water 0.01 mg/l (25 °C). In acetone 620, dichloromethane 550,
cyclohexanone 515, ethyl acetate 440, chlorobenzene 420, acetophenone
390, o-xylene 350, hexane 7 (all in g/l, 25 °C). In maize oil
19-20, ethylene glyc;Slightly soluble in petroleum ether, hexane, methanol.
Specification: 97%TC, 5%EC, 10%EC,10%SC,20%FS
Non-systemic insecticide with contact and stomach action. Acts on the central
and peripheral nervous system in very low doses. Control of a wide range of
chewing and sucking insects (particularly Lepidoptera, Coleoptera, and
Hemiptera) in fruit (including citrus), vegetables, vines, cereals, maize,
beet, oilseed rape, potatoes, cotton, rice, soya beans, forestry, and other
crops. Control of cockroaches, mosquitoes, flies, and other insect pests in
public health; and flies in animal houses. Also used as an animal
ectoparasiticide.