Common name: carbofuran
Trade name: kebaiwei, curaterr, yaltox
Chemical name: 2,2-dimethyl-2,3-dihydrobenzofurasn-7-yl-N-methyl carbamate
Molecular formula: C12H15NO3
Molecular weight: 221.3
Appearance: white non-odour loose powder
Useful period id around 30—40 days. Half-life in soil is 30-60 days.
Active ingredient content≥98%; free phenol≤0.3%.
Melting point: 153-154℃; 150-152℃ for technical material.
Stability: it is stable in neutral and acid medium but unstablein alkalinity.
The hydrolysis speed is greatly in fluenced by temperature alkalinity.
Halflife:
PH5.2: 16days at 25℃
PH7:20days at 28℃
PH9:7 hours at 26℃
Packing: in paperhoard casks with 40kgs neteach or in iron drums with 40kgs or 50kgs neteach.
Application: Carbofuran is of contact pesticiding, stomach poisoning and inhalating. It can effectively control filariae and masticatory insects and soil pests such as rice caseworm, rice water weevil, rice leafhopper, rice planthopper, armyworm, cotton bollwron, aphid and mites. The residual persistence is 30-40 days and the halflife in soil is 30-60days in general.