Fipronil Common
Name£ºFipronil
Chemical Name:
¡¡¡¡5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethyl)sulfinyl]-
1H-pyrazole-3-carbonitrile
Chemical Structure:
¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡
CAS NO.:120068-37-3
Specification£º95% min
Physical & Chemical Properties£º(technical)
¡¡¡¡Mol. wt. 437.2 M.f. C12H4Cl2F6N4OS
¡¡¡¡Form White solid. M.p. 195.5-203¡æ V.p. 3.7¡Á10£4
mPa (25¡æ); KowlogP= 4.0 S.g./density 1.477-1.626(20¡æ)
Solubility In water 1.9(pH9),1.9(distilled)(all mg/l,20¡æ). In acetone
545.9, dichloromethane 22.3,hexane 0.028,toluene 3.0(all in g/l, 20¡æ)Stability
Stable in water at pH 5 and 7; slowly hydrolysed at pH 9(DT50 c.28d).Stable
to heat. Slowly degrades in sunlight(c.3% loss after 12d continuous
irradiation); rapidly photolysed in aqueous solution(DT50 c.0.33d)
Mode of Action:
¡¡¡¡Broad-spectrum insecticide, toxic by contact and ingestion. Moderately
systemic and, in some crops, can be used to control insects when applied
as a soil or seed treatment. Good to excellent residual control following
foliar application.
Toxicity:
¡¡¡¡Acute oral LD5097(rat),95(mice)mg/kg, acute dermal
LD50>2000mg/kg. It has no irritation to eyes and skin
.
Formulation:0.3%GR,5%FL,80%WDG
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