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-benzen

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

Lihlopha tse amanang:lihlahisoa tsa maemo a temo le tikoloho; li-fungicides tsa triazole; li-fungicides tse bohareng; meriana e bolaeang likokoanyana; lisebelisoa tse tala; tse mahareng; li-intermediates tsa manyolo; Lintho tse phelang; Aryl; C7; Halogenated Hydrocarbons; Monko o monate; Mehaho ea Mehaho; Chemicalbook Chemical Synthesis; Li-hydrogen Hydrocarbons; Lithibelo tsa Kaho ea Likokoana-hloko;Lihlahisoa tse tloaelehileng tsa tlhahlobo; Li-block tsa moaho tsa Organic;Likokoana-hloko tse mahareng; Li-halogenated hydrocarbons;Lisebelisuoa tse tala tsa lik'hemik'hale.

2,4-Dichlorotoluene tšebeliso le mokhoa oa ho kopanya
Lintho tsa lik'hemik'hale: metsi a se nang 'mala le a bonaletsang.
Sebelisa:
1) E sebelisoa e le li-intermediate tsa chefo e bolaeang likokoanyana, lidae le meriana, e sebelisoang ho hlahisa 2,4-dichlorobenzaldehyde, lithethefatsi tse kang adipine, buprofen, joalo-joalo.
2) 2,4-Dichlorotoluene ke karolo e bohareng ea bactericide diniconazole le benzylchlorotriazole, 'me Chemicalbook e boetse e le thepa e tala bakeng sa ho lokisetsa 2,4-dichlorobenzaldehyde.
3) Lisebelisoa tsa tlhaho tsa tlhaho, tse sebelisoang indastering ea meriana bakeng sa tlhahiso ea lithethefatsi tse thibelang malaria, Adepine, le motsoako oa ventral acid. E sebelisoa ho 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 ea mekhoa ea tlhahiso.
1. Mokhoa oa 1.2,4-dichloroluene o sebelisa 2,4-diaminotoluene e le lisebelisoa tse tala, 'me o fumanoa ka diazotization le chlorination. Kenya hydrochloric acid le metsi ka pitseng ea karabelo, mocheso ho 50 ℃, qhala 2,4-diaminotoluene tlas'a ho hlohlelletsa, ebe u kenya hydrochloric acid le cuprous chloride ka pitseng, eketsa 1% sodium nitrite solution ka mokhoa o ts'oanang ho Chemicalbook, Mocheso o bolokiloe ho hoo e ka bang 60 ℃, e eme bakeng sa layering, sehlahisoa se tlaase se hlatsuoa ka metsi ho fihlela se sa nke lehlakore, alkali e kenngoa ho alkali, ebe e hlatsuoa ka metsi ho tlosa alkali, 2,4-dichlorrotoluene e tala e arohane, 'me sehlahisoa se felileng se qhibililoe ka mouoane. . Mokhoa oa 2.3-chloro-4-toluidine o fumanoa ka karabelo ea diazotization ka sodium nitrite, le karabelo ea Sandmeyer ka chloride ea koporo.

2.Mokhoa oa tlhahiso le mekhoa ea eona ea ho lokisa ke tse latelang. Ka mokhoa oa parachlorotoluene, p-chlorotoluene le catalyst ZrCl4 li kenngoa ka har'a reactor, 'me khase ea chlorine e kenngoa moea ho phethahatsa 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-dichloroluene. Haeba FeCl3 e sebelisoa e le sesosa sa ho kenya tšebetsong tšebetso ea chlorination ho 10℃15℃ ho fihlela tekano e lekantsoeng ea tharollo e le 1.025, sehlahisoa se na le 2,4-dichloroluene le 3,4-dichloroluene, le tekanyo ea boima ba tse peli. likarolo ke 100:30 . Ka mor'a hore chlorination e phethoe, hlatsoa ka metsi ho ea ho se nke lehlakore, 'me u phekole ka motsoako oa 10% NaOH ka 100～110℃ ho tlosa litšila tse ling. Chloride e phekoloang e lokisoa 'me e arotsoe ka tora e phahameng ea ho lokisa (2,4-dichloro Toluene bp200 ° C, 3,4-dichloroluene bp207 ° C). Lihlahisoa tsa 2,4-dichloroluene le 3,4-dichloroluene e ne e le 64.4% le 19.8%, ka ho latellana. Ortho-chlorotoluene mokhoa o-chlorotoluene o sebelisa sulfuryl chloride e le chlorinating agent ho phethahatsa karabelo ea chlorination ho 142～196℃. Lihlahisoa ke 2,4-dichloroluene le 2,3-dichloroluene, 'me ha li sebetse Sebopeho sa lihlahisoa tse tala ke 55%, 6%, le 39%, ka ho latellana. Ka mor'a hore distillation (2,4-dichloroluene bp 200 ° C, 2,3-dichloroluene bp 207-208 ° C, o-chlorotoluene bp 157-159 ° C), 2,4-dichloroluene e arohane. Mokhoa oa Ortho-nitrotoluene Ortho-nitrotoluene e hloekisoa ka chlorinated boteng ba FeCl3 catalyst ho 35～40℃. Ha sekhahla se lekanyelitsoeng sa reactant se fihla ho 1.320 (15 ℃), hlatsoa lisebelisoa hore li se nke lehlakore, 'me reactant e na le 15% ea lisebelisoa tse tala, 2-chloro-6-nitrotoluene 49%, 4-chloro-2-nitrotoluene 21% , le 15% polychloride, ka mor'a ho lokisoa le phekolo ea crystallization, Chemicalbook ho 2-chloro-6-nitrotoluene Lihlahisoa 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 phokotso ea 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-dichlorrotoluene. Mokhoa ona o sebelisoa ho hlahisa 4-chloro-2-nitrotoluene e leng sehlahisoa sa 2-chloro-6-nitrotoluene (e sebelisoang e le karolo e bohareng ea sebolayalehola quinclorac). 2,4-Diaminotoluene Method 2,4-Diaminotoluene e sebetsana le diazotization ka pel'a NaNO2 le hydrochloric acid, ebe e etsa karabelo ea Sandmeyer ka pel'a Cu2Cl2 ho fumana 2,4-dichloroluene. Mokhoa oa 3-Chloro-4-methylaniline 3-chloro-4-methylaniline le hydrochloric acid li eketsoa ka kettle ea karabelo, tharollo ea metsi ea NaNO2 e eketsoa ho 3～5℃, mme tlatsetso e phetheloa ka nako ea 2～3h bakeng sa diazotization Kamora karabelo, mokelikeli oa diazotized o eketsoa ka marotholi ho tharollo ea hydrochloric acid e nang le Cu2Cl2 ho 2-5 ° C ho etsa karabelo ea Sandmeyer ho fumana 2,4-dichloroluene. Har'a mekhoa e ka holimo, chloride e hlahisoang ka ho sebelisa p-chlorotoluene le o-chlorotoluene e le lisebelisoa tse tala li na le litšila tse ngata 'me li na le lintlha tse belang tse tšoanang. Hoa hlokahala ho sebelisa litora tsa ho lokisa tse sebetsang hantle haholo ho arola ho fumana ho feta 98% ea 2,4-dichloroluene. Mekhoa ena e 'meli e thata ho sebetsa, mme litšenyehelo tsa matsete a lisebelisoa li holimo. Mokhoa oa 2,4-diaminotoluene ha o tšoanelehe bakeng sa indasteri, 'me mokhoa oa o-nitrotoluene le mokhoa oa 3-chloro-4-methylaniline ho lokisetsa 2,4-dichloroluene e na le melao-motheo e tšoanang,' me ka bobeli e hloka diazotization le Sandmeyer Ha a arabela. , ho na le khaello ea metsi a litšila a mangata. Mokhoa oa o-nitrotoluene o sebelisoa ho hlahisa 2-chloro-6-nitrotoluene, e ntseng e fokotseha hape ho fumana 2-chloro-6-aminotoluene, e leng sebaka sa bohlokoa sa lipakeng bakeng sa tlhahiso ea moriana oa herbicide quinclorac.