carbofuran
carbofuran: Highly efficent,short-lived and broatspectrum carbamatecompounds for killing insects,,ites and nematodes.
Chemical name:
2.2-dimethyl-2.3-dihydrobenzofurasn-7--yl-N-methyl carbamate
Also call as: Carbamic acid, methyl-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester, 2,2-DIMETHYL-2,2-DIHYDROBENZOFURANYL-7 N-METHYLCARBAMATE, 2,2-Dimethyl-2,3-dihydro-7-benzofuranyl N-methylcarbamate, 2,2-Dimethyl-2,3-dihydro-7-benzofuranyl-N-methylcarbamate, 2,2-Dimethyl-7-coumaranyl N-methylcarbamate, 2,3-Dihydro-2,2-dimethyl-7-benzofuranol methylcarbamate, 2,3-Dihydro-2,2-dimethyl-7-benzofuranol-N-methylcarbamate, 2,3-Dihydro-2,2-dimethyl-7-benzofuranyl methylcarbamate, 2,3-dihydro-2,2-dimethyl-7-benzofuranylmethylcarbamate, 2,3-dihydro-2,2-dimethylbenzo-furan-7-yl methylcarbamate, 2,3-Dihydro-2,2-dimethylbenzofuran-7-yl methylcarbamate, 2,3-Dihydro-2,2-dimethylbenzofuranyl-7-N-methylcarbamate, 7-Benzofuranol, 2,3-dihydro-2,2-dimethyl-, methylcarbamate, BAY 70143, Brifur, C2292-59A, Carbamic acid, methyl-, 2,2-dimethyl-2,3-dihydrobenzofuran-7-yl ester, CARBAMIC ACID, METHYL-, 2,3-DIHYDRO-2,2-DIMETHYL-7-BENZOFURANYL ESTER, Carbofurane, Chinufur, Crisfuran, Curaterr, D 1221, ENT 27,164, ENT 27164, FMC 10242, Furacarb, FURADAN, Furadan 3G, Furadan 4F, Furadan 75 WP, Furadan G, Furadane, FURODAN, Karbofuranu, Kenofuran, ME F248, Methyl carbamic acid 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester, N-Metylokarbaminian 2,3-dwuwodoro-2,2-dwumetylobenzofuranylu-7, NIA 10242, NIA 10242 75 WP, Niagara 10242, NIAGARA NIA-10242, OMS 864, OMS-864, Pillarfuran, YALTOX
Structural formula:
Molecular formula:C12H15NO3
Molecular weight:221.3
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Typical properties:
Appearance:White non-odour loose powder.
Melting point:153-154¡æ , 150-152¡æ for technical material.
Specific gravity: d20201.180
Vapor pressure at33¡æ:2.26x10-3 Pa
Solubility(at 25¡æ,g/g ):
Dimethylformamide......... ........27%
Acetone...............................15%
Acetonitrile..........................14%
Chloromethane........................12%
Cyclohexanone..........................9%
Benzol..................... ............4%
Water................................700ppm
Stability:It is stable in neutral and acid medium but unstablein alkalinity.
The hydrolysis speed is greatly in fluenced by temperature and alkalinity.
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Halflife:
PH5.2:16 days at 25¡æ
PH7: 20 days at 28¡æ
PH9: 7 hours at 26¡æ8. technical index:
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Active ingredients¡Ý98%
Free phenol¡Ü0.3%9. Packing:
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In paperboard casks with 40kgs neteach or in iron drums with40kgs or 50kgs neteach.
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application:
Carbofuran is of contact pesticiding,stomach poisoning andinhalating. It can effctively control filariae and masticatory insects and soil pests such as rice caseworm,rice water weevil,rice leafhopper,rice planthopper,armyworm,cotton bollwrom,aphid and mites.The residual persistence is 30-40 days and the halflife in soil is 30-60 days in general.
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