Mantsoe a tšoanang: Benzene,2,4-dichloro-1-methyl-;Toluene, 2,4-dichloro-;2,4-dichloro-1-methylbenzene;2,4-DCT;2,4-DICHLOROTOLUENE;2,4-DICHLOROMETHYLBENZENE;1,3-DICHLORO-4-METHYLBENZENE;2,4-dichloro-1-methyl-benzene

Nomoro ea CAS: 95-73-8
Foromo ea limolek'hule: C7H6Cl2
Boima ba limolek'hule: 161.03
Nomoro ea EINECS: 202-445-8

Lihlopha tse amanang:lihlahisoa tse tloaelehileng tsa temo le tikoloho; dibolaya-dikokwana-hloko tsa triazole; dibolaya-dikokwana-hloko tse mahareng; dibolaya-dikokwana-hloko tse mahareng; thepa e tala ya tlhaho; dibolaya-dikokwana-hloko; dibolaya-dikokwana-hloko tse mahareng; Di ... tsa dikokwana-hloko tse mahareng.

Mokhoa oa tšebeliso le tlhahiso ea 2,4-Dichlorotoluene
Litšobotsi tsa lik'hemik'hale: mokelikeli o se nang 'mala le o bonaletsang.
Sebelisa:
1) E sebelisoa e le metsoako ea chefo e bolaeang likokoanyana, lidae le meriana, e sebelisoang tlhahisong ea 2,4-dichlorobenzaldehyde, lithethefatsi tse kang adipine, buprofen, jj.
2) 2,4-Dichlorotoluene ke karolo e bohareng ea dibaktericides diniconazole le benzylchlorotriazole, 'me Chemicalbook le eona ke thepa e tala bakeng sa ho lokisa 2,4-dichlorobenzaldehyde.
3) Lisebelisoa tse tala tsa maiketsetso tsa tlhaho, tse sebelisoang indastering ea meriana bakeng sa tlhahiso ea meriana e loantšang malaria, Adepine, le ho kopanngoa ha asiti ea ventral. Li sebelisoa li-intermediate tsa chefo e bolaeang likokoanyana ho etsa 2,4-dichlorobenzyl chloride, 2,4-dichlorobenzoyl chloride, le 2,4-dichlorobenzoic acid.

Ho na le mekhoa e 'meli ea maiketsetso bakeng sa mekhoa ea tlhahiso.
1. Mokhoa oa 1.2,4-dichlorotoluene o sebelisa 2,4-diaminotoluene e le thepa e tala, 'me o fumanoa ka diazotization le chlorination. Kenya hydrochloric acid le metsi ka pitseng ea karabelo, u futhumale ho fihlela ho 50℃, u qhale 2,4-diaminotoluene ka tlas'a ho hlohlelletsa, ebe u kenya hydrochloric acid le cuprous chloride ka pitseng, eketsa tharollo ea 1% ea sodium nitrite ka ho lekana ho Chemicalbook. Mocheso o bolokoa hoo e ka bang 60℃, ema u sa sisinyehe bakeng sa ho beoa ka mekhahlelo, sehlahisoa se tlase se tala se hlatsuoa ka metsi ho fihlela se sa nke lehlakore, alkali e eketsoa ho alkali, ebe e hlatsuoa ka metsi ho tlosa alkali, 2,4-dichlorotoluene e tala ea aroloa, 'me sehlahisoa se felileng se hloekisoa ka mouoane. . Mokhoa oa 2.3-chloro-4-toluidine o fumanoa ka diazotization reaction ka sodium nitrite, le Sandmeyer reaction ka koporo chloride.

2.Mokhoa oa tlhahiso le mekhoa ea ho lokisa ke tse latelang. Mokhoeng oa parachlorotoluene, p-chlorotoluene le catalyst ZrCl4 li kenngoa ka har'a reactor, 'me khase ea chlorine e ntšetsoa moea ho etsa karabelo ea chlorination. Palo ea khase ea chlorine e laoloa ho fihlela qetellong ea karabelo 'me karabelo ea emisoa. Reactant e fumanoeng e na le 85.1% ea 2,4-dichlorotoluene. Haeba FeCl3 e sebelisoa e le catalyst ho etsa karabelo ea chlorination ho 10 ～15 ℃ ho fihlela bongata ba tharollo e le 1.025, sehlahisoa se na le 2,4-dichlorotoluene le 3,4-dichlorotoluene, 'me karolelano ea boima ba likarolo tse peli ke 100:30 . Kamora hore chlorination e phetheloe, hlatsoa ka metsi ho fihlela e sa nke lehlakore, 'me u phekole ka tharollo ea 10% ea NaOH ho 100 ～110 ℃ ho tlosa litšila tse ling. Chloride e phekotsoeng e lokisoa 'me e arotsoe ka har'a tora ea ho lokisa e sebetsang hantle haholo (2,4-dichloro Toluene bp200°C, 3,4-dichlorotoluene bp207°C). Litholoana tsa 2,4-dichlorotoluene le 3,4-dichlorotoluene e ne e le 64.4% le 19.8%, ka ho latellana. Mokhoa oa Ortho-chlorotoluene oa o-chlorotoluene o sebelisa sulfuryl chloride e le moemeli oa chlorinating ho etsa karabelo ea chlorination ho 142 ~ 196℃. Lihlahisoa ke 2,4-dichlorotoluene le 2,3-dichlorotoluene, 'me ha lia arajoa. Sebopeho sa thepa e tala ke 55%, 6%, le 39%, ka ho latellana. Kamora ho qhibilihisa (2,4-dichlorotoluene bp 200°C, 2,3-dichlorotoluene bp 207-208°C, o-chlorotoluene bp 157-159°C), 2,4-dichlorotoluene e ile ea aroloa. Mokhoa oa Ortho-nitrotoluene Ortho-nitrotoluene e tšeloa chlorine boteng ba catalyst ea FeCl3 ho 35～40℃. Ha bongata ba reactant bo fihla ho 1.320 (15℃), hlatsoa thepa hore e se ke ea nka lehlakore, 'me reactant e na le 15% ea thepa e tala, 2-chloro-6-nitrotoluene 49%, 4-chloro-2-nitrotoluene 21%, le 15% polychloride, kamora kalafo ea tokiso le kristale, Chemicalbook to 2-chloro-6-nitrotoluene Litholoana tsa 4-chloro-2-nitrotoluene le 4-chloro-2-nitrotoluene ke 50% le 30% ka ho latellana. 4-chloro-2-nitrotoluene e fumanoa ka karabelo ea ho fokotsa hydrogenation le distillation ea mouoane ho fumana 4-chloro-2-amino. Toluene, diazotization le ho eketsa CH2Cl2 bakeng sa karabelo ea Sandmeyer ho fumana 2,4-dichlorotoluene. Mokhoa ona o sebedisetswa ho hlahisa 4-chloro-2-nitrotoluene e leng sehlahiswa se tswang ho 2-chloro-6-nitrotoluene (e sebediswang e le karolo ya quinclorac ya sebolaya-dikokwana-hloko). 2,4-Diaminotoluene Mokhoa wa 2,4-Diaminotoluene o feta karabelong ya diazotization moo NaNO2 le hydrochloric acid di leng teng, ebe o etsa karabelo ya Sandmeyer moo Cu2Cl2 e leng teng ho fumana 2,4-dichlorotoluene. 3-Chloro-4-methylaniline mokgwa wa 3-chloro-4-methylaniline le hydrochloric acid di eketswa ka ketleleng ya karabelo, tharollo ya metsi ya NaNO2 e eketswa ka ho theohela tlase ho 3～5℃, mme ho eketswa ho phethelwa ka hare ho dihora tse 2～3 bakeng sa diazotization Kamora karabelo, mokelikeli o nang le diazotized o eketswa ka ho theohela tlase ho tharollo ya hydrochloric acid e nang le Cu2Cl2 ho 2-5°C ho etsa karabelo ya Sandmeyer ho fumana 2,4-dichlorotoluene. Har'a mekhoa e boletsoeng ka holimo, chloride e hlahisoang ka ho sebelisa p-chlorotoluene le o-chlorotoluene e le thepa e tala e na le litšila tse ngata 'me e na le lintlha tse tšoanang tsa ho belisa. Ho hlokahala ho sebelisa litora tsa ho lokisa tse sebetsang hantle ho arola ho fumana ho feta 98% ea 2,4-dichlorotoluene. Mekhoa ena e 'meli e thata ho e sebelisa, 'me litšenyehelo tsa matsete a lisebelisoa li holimo. Mokhoa oa 2,4-diaminotoluene ha o lokele indasteri, 'me mokhoa oa o-nitrotoluene le mokhoa oa 3-chloro-4-methylaniline ho lokisa 2,4-dichlorotoluene li na le melao-motheo e tšoanang ea motheo, 'me ka bobeli li hloka diazotization le Sandmeyer. Karabelong, ho na le khaello ea metsi a litšila a mangata. Mokhoa oa o-nitrotoluene o sebelisoa ho hlahisa 2-chloro-6-nitrotoluene hammoho, e fokotsoang ho fumana 2-chloro-6-aminotoluene, e leng karolo ea bohlokoa bakeng sa tlhahiso ea herbicide quinclorac.