Lambda-cyhalothrin, eo hape e tsejoang e le cyhalothrin le kungfu cyhalothrin, e ile ea ntlafatsoa ka katleho ke sehlopha sa AR Jutsum ka 1984. Mokhoa oa eona oa ts'ebetso ke ho fetola ho phunyeletsa ha lera la methapo ea kokoanyana, ho thibela ho tsamaisoa ha axon ea methapo ea likokoanyana, ho senya tšebetso ea neuron ka ho sebelisana. ka sodium ion channel, etsa hore kokoanyana e chefo e be le thabo e feteletseng, e holofale 'me e shoe, 'me e ka liha likokoanyana ka potlako.Lambda-cyhalothrin e na le litšoaneleho tsa mefuta e mengata ea likokoana-hloko, ts'ebetso e phahameng le nako e telele ea phello, 'me e loketse ho laola likokoanyana tse kang koro, poone, lifate tsa litholoana, k'hothone, meroho ea cruciferous, joalo-joalo.
1 Boemo ba motheo
高效氯氟氰菊酯Lebitso la Senyesemane: Lambda-cyhalothrin;Mokhoa oa molek'hule: C23H19ClF3NO3;Sebaka se belang: 187～190℃/0.2 mmHg;Nomoro ea CAS: 91465-08-633.
Sebopeho sa sehlahisoa se bontšoa ho Setšoantšo sa 1.
Setšoantšo sa 1 Sebopeho sa sebopeho sa beta-cyhalothrin
2 Chefo le lipehelo tsa taolo
Beta-cyhalothrin e na le phello ea ho bolaea le ho chefo ka mpeng, hape e na le phello e itseng ea ho qoba 'me ha e na phello ea tsamaiso.E na le phello e ntle ea taolo holim'a likokoanyana tse hlafunang molomong joalo ka Lepidoptera larvae le maleshoane a Coleoptera, hape e ka sebelisoa bakeng sa taolo ea likokoanyana tse monyang molomo tse kang pear psyllium.Lintho tse ka sehloohong tse laolang beta-cyhalothrin ke li-midges, armyworms, corn borers, beet armyworms, heartworms, leaf roller, armyworms, lirurubele tsa swallowtail, fruit armyworms, bollworms ba k'hothone, bollworms tse khubelu, popane ea k'habeche, joalo-joalo. lijalo, e ka thibela le ho laola joang bo borer, joalo-joalo Sebelisa linako tsa selemo libakeng tse sa tšoaneng tsa lefats'e: Chaena, haholo-holo ho tloha ka March ho ea ho August;Amerika Boroa/Leboa, ho tloha ka March ho ea ho May le September ho ea ho December;Asia Boroa-bochabela, ho tloha ka December ho ea ho May;Europe, ho tloha ka March ho ea ho May le September ho ea ho December khoeli.
3 Ts'ebetso ea ho kopanya le li-intermediate tse kholo
(1) Synthesis ea trifluorochlorochrysanthemum acid chloride
Asiti ea Trifluorochlorochrysanthemum (Kung fu acid) e sebetsa le thionyl chloride, e solubilize le ho lokisa ho fumana trifluorochlorochrysanthemic acid chloride.
(2) Tšimoloho ea oli e tala ea chlorofluorocyanide
Chlorofluroyl chloride, m-phenoxybenzaldehyde (ether aldehyde) le sodium cyanide li entsoe ho fumana oli e tala ea chlorofluorocyanide tlas'a ts'ebetso ea catalyst.
(3) Synthesis ea beta-cyhalothrin
Tlas'a ketso ea li-organic amines, chlorofluorocyanide e tala e kenella ho epimerization ho hlahisa beta-cyhalothrin.
4 Boemo ba 'maraka oa malapeng
Ho latela potso ea China Pesticide Information Network, ho tloha ka la 20 Mots'eanong 2022, palo ea ngoliso ea tekheniki ea alpha-cyhalothrin e ne e le 45, mme litaba tse ngolisitsoeng e ne e le 81%, 95%, 97%, 96%, le 98%.Har'a bona, ngoliso e nang le 95%, 96%, le 98% content e bakile karolo e kholo.
Ho ea ka potso ea China Pesticide Information Network, ho tloha ka May 20, 2022. Lintlha tsa ho ngolisa malapeng tsa litokisetso tsa beta-cyhalothrin li bontša hore ho na le metsoako ea tekanyo e le 'ngoe, eo 621 e leng tekanyo e le' ngoe le 216 e kopantsoe.Lethal dose e le 'ngoe: 621 e ngolisitsoe, litokisetso tse kholo ke 2.5%, 2.7%, 5%, 25g / L microemulsion, 5%, 10%, 25g / L, 2.5% emulsion ea metsi, 5%, 2.5%, 25% g / L , 50 g / L EC, 25%, 10%, 2.5% WP, 2.5%, 10%, 25 g / L microcapsule suspension, joalo-joalo Metsoako e kopanyang: 216 e ngolisitsoeng, haholo-holo ka Acitretin, Acitrate, Thiamethoxam, Imidacloprid, Acetamiprid Phoxim, Triazophos, Dextromethrin, Pymetrozine le lihlahisoa tse ling tse kopantsoeng.Mefuta e ka sehloohong ea litekanyetso ke: 2%, 3%, 5%, 10%, 22%, 44% emulsion ea metsi, 16%, 20%, 25%, 26% EC, 15%, 22%, 30% e emisang moemeli, 2% , 5%, 10%, 12%, 30% microemulsion, 2%, 4% granules, 4.5%, 22%, 24%, 30% phofo e metsi, joalo-joalo.
5 Boemo ba 'maraka mose ho maoatle
5.1 Ngoliso ea litokisetso tsa mose ho maoatle
Mefuta e ka sehloohong e le 'ngoe e ngolisitsoeng ke 25 g/L, 50 g/L, 2.5% EC, 2.5%, 10% WP.
Metsoako e ka sehloohong ke: beta-cyhalothrin 9.4% + thiamethoxam 12.6% microcapsule suspension, beta-cyhalothrin 1.7% + abamectin 0.3% EC, thiamethoxam 14.1% + high-efficiency chlorofluorocarbon Cypending-2% cyhalothrin 1.5 % EC.
5.2 Linaha tse tsoang China
Ho tloha ka 2015 ho isa 2019, kakaretso ea lik'hamphani tse 582 li ile tsa romela lihlahisoa tsa boleng bo holimo tsa cyhalothrin tsa tekheniki le tsa boitokisetso, 'me palo ea lik'hamphani tse leshome tse holimo e nkile karolo ea 45% ea kakaretso ea kakaretso ea thomello (pokello ea lilemo tse 5).Likhamphani tse leshome tse holimo li thathamisitsoe ho Lethathamo la 2.
Palo ea kakaretso ea thepa ea thepa e romelloang kantle ho naha ke lithane tse 2,400 ka selemo, 'me palo e holimo-limo ea thomello ke lithane tse 3,000 ka selemo.Palo ea thepa e tsoang kantle ho naha e eketsehile selemo le selemo ho tloha 2015 ho isa 2019. Palo ea kakaretso ea thomello ea thepa ea litokisetso tsa 'mele ke lithane tse 14,800 / selemo,' me palo ea tlhōrō ea thomello ea thepa ke lithane tse 17,000 (2017), 'me joale palo ea thomello e tsitsitse;palogare ya ditokišetšo tša diromelwantle ke ditone tše 460/selemo, gomme ya godimo ke ditone tše 515/ngwaga.
Ho tloha 2015 ho isa 2019, lihlahisoa tsa tekheniki le tsa boitokiso tsa cyhalothrin li ile tsa romelloa kantle ho limmaraka tse 77.Limmaraka tse hlano tse ka sehloohong e ne e le United States, Belgium, India, Argentina le Pakistan.Mebaraka e mehlano e ka hodimodimo e nkile karolo ya 57% ya kakaretso ya diyantle tsa China.(ka lilemo tse 5 kaofela).
6 Mekhoa ea morao-rao ea marakeng
Ho latela mehloli ea litaba, ka la 7 Mots'eanong 2022, nako ea lehae, feme ea k'hamphani ea India agrochemical Bharat Rasayan, e hlahisang lihlahisoa tsa pyrethroid le li-intermediate tse amanang le eona, e ile ea chesa ka mor'a ho phatloha ha boiler.
India ke e 'ngoe ea bahlahisi ba ka sehloohong ba lihlahisoa tse bolaeang likokoanyana tse se nang patent lefatšeng, tseo har'a tsona matla a tlhahiso ea li-intermediate tsa bohlokoa tsa lihlahisoa tsa pyrethroid, methyl betinate le ether aldehyde, e batlang e phahame.Ka 2021, Bharat Rasayan o tla romella kakaretso ea lithane tse fetang 6,000 tsa meriana ea tekheniki ea chefo e bolaeang likokoanyana, litokisetso le li-intermediate, tseo 61% ea tsona e leng lithethefatsi tsa tekheniki, litokisetso tsa 13% le li-intermediates tsa 26% (haholo-holo li-pyrethroid intermediates).Joaloka setsi sa bohlokoa sa ho kopanya chefo e bolaeang likokoanyana ea pyrethroid, ether aldehyde e na le tlhoko ea selemo le selemo ea lehae ea lithane tse ka bang 6,000, tseo hoo e batlang e le halofo ea tsona e lokela ho rekoa India.
Kaha 'maraka oa lehae oa cyhalothrin o haufi le ho fela,' me k'hamphani ea India ha se eona khoebo e ka sehloohong e hlahisang li-intermediate tse amanang le alpha-cyhalothrin tse kang ether aldehydes, phello ea 'maraka oa lehae e batla e le nyane,' me ho hlokahala haholo ho lefa. ho ela hloko thepa ea morao tjena.Mantsoe a qotsitsoeng.
Nako ea poso: Jun-08-2022