Avermectin Cas: 71751-41-2
| Catalog Number | xwm 91875 |
| Khoom npe | Avermectin |
| CAS | 71751-41-2 |
| Molecular Formula | C49H74O14 |
| Molecular Luj | 887.11 ib |
| Cov ntaub ntawv khaws cia | -20 ° C |
| Harmonized tariff Code | 2932999099 ib |
Khoom Specification
| Qhov tshwm sim | Dawb hmoov |
| Assay | 99% min |
| Melting point | 150-155 ° C |
| alpha | D + 55.7 ± 2 ° (c = 0.87 hauv CHCl3) |
| Boiling point | 717.52°C (kev kwv yees kwv yees) |
| ceev | 1.16 |
| vapor siab | <2 x 10-7 Pa |
| Refractive Index | 1.6130 (kwv yees) |
| Fp | 150 ° C |
| solubility | Soluble hauv DMSO |
| Dej Solubility | 0.007-0.01 mg l-1 (20 ° C) |
Nws yog ib hom 16-tus tswv cuab macrolide, ua liaj ua teb-tsiaj tsiaj dual tshuaj tua kab mob nrog cov tshuaj tua kab muaj zog, acaricidal, nematicidal kev ua haujlwm.Nws yog dav-spectrum, high efficiency thiab kev nyab xeeb.Nws muaj zog plab lom thiab tiv tauj-tua nyhuv yam tsis muaj peev xwm tua cov qe.Nws cov txheej txheem ntawm kev ua yog cuam tshuam nrog kev ua haujlwm ntawm lub cev neuro-physiological, cuam tshuam rau kev sib kis ntawm cellular membrane chloride nrog GABA ua lub hom phiaj ntawm qhov chaw.Thaum cov tshuaj txhawb lub hom phiaj ntawm qhov chaw, nws tuaj yeem thaiv cov txheej txheem kev sib kis ntawm cov ntaub ntawv paj hlwb, uas ua rau cov teeb liab ntawm cov paj hlwb hauv nruab nrab ntawm cov kab tsuag tau txais tsis tu ncua los ntawm lub cev muaj zog neurons, ua rau tuag tes tuag taw sai sai ntawm cov kab tsuag hauv ib teev, noj tsis zoo, thiab qeeb qeeb. los tsis txav.Vim tias lawv tsis ua kom lub cev qhuav dej sai ntawm cov kab sai sai, yog li cov nyhuv tuag qeeb.Lawv feem ntau yuav tuag tom qab 24 hnub tom qab.Nws yog tsuas yog siv rau kev tiv thaiv thiab kev kho mob ntawm ntau hom kab tsuag xws li pob zeb diamondback npauj, kab ntsig kab ntsig, tub rog, thiab dev mub hauv zaub lossis txiv hmab txiv ntoo, nws yog qhov tshwj xeeb hauv kev kho cov kab tsuag uas tiv taus lwm yam tshuaj tua kab.Tus nqi ntawm ib hectare rau kev kho cov kab tsuag yog 10 ~ 20g nrog kev tswj kev ua haujlwm ntawm ntau dua 90%;rau kev tswj ntawm citrus xeb mite: 13.5 ~ 54g ib hectare nrog lub sij hawm seem nyob rau hauv ntev li 4 lub lis piam (txo cov koob tshuaj rau 13.5 mus rau 27 g thaum muab tov nrog ntxhia roj los ntawm qhov seem seem yuav ncua mus rau 16 lub lis piam);Nws tuaj yeem siv rau kev tswj hwm ntawm carmine kab laug sab mite, haus luam yeeb budworm, bollworm thiab paj rwb aphid nrog kev ua tau zoo.Tsis tas li ntawd, nws tseem tuaj yeem siv los tswj cov kab mob nyuj cab, xws li Damalinia bovis, Boophilus microplus, thiab bovine ko taw mite.Thaum siv los tswj cov kab mob parasitic, cov koob tshuaj yog 0.2mg / kg ntawm lub cev hnyav.
Nws muaj kev tsav tsheb thiab tua cov nyhuv ntawm nematodes, kab thiab mites.Nws tuaj yeem siv rau kev kho mob ntawm cov kab mob nematodes, kab mob mite nrog rau cov kab mob parasitic ntawm cov tsiaj nyeg thiab nqaij qaib.
Nws muaj kev tswj xyuas zoo thiab ncua kev tiv thaiv rau ntau yam kab tsuag ntawm citrus, zaub, paj rwb, txiv apples, luam yeeb, soybeans thiab tshuaj yej.
Nws tuaj yeem siv rau kev tiv thaiv ntau yam kab tsuag lossis kab tsuag ntawm cov zaub, txiv hmab txiv ntoo thiab paj rwb.
