Okwu ndị yiri ya: 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

Nọmba CAS: 95-73-8
Usoro molekụla: C7H6Cl2
Ibu molekụla: 161.03
Nọmba EINECS: 202-445-8

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Usoro ojiji na njikọta Dichlorotoluene 2,4
Njirimara kemịkalụ: mmiri mmiri na-enweghị agba na nke na-apụta ìhè.
Jiri:
1) A na-eji ya dịka ọgwụ nje, agba na ọgwụ, nke e ji emepụta 2,4-dichlorobenzaldehyde, ọgwụ dịka adipine, buprofen, wdg.
2) 2,4-Dichlorotoluene bụ ihe dị n'etiti ọgwụ nje diniconazole na benzylchlorotriazole, Chemicalbook bụkwa ihe eji eme nkwadebe nke 2,4-dichlorobenzaldehyde.
3) Ihe ndị e ji emepụta ihe ndị e ji emepụta ihe ndị sitere n'okike, nke e ji eme ihe n'ụlọ ọrụ ọgwụ maka mmepụta ọgwụ mgbochi ịba, Adepine, na mmepụta nke ventral acid. A na-eji ya eme ihe n'ime ọgwụ ndị na-egbu nje iji mepụta 2,4-dichlorobenzyl chloride, 2,4-dichlorobenzoyl chloride, na 2,4-dichlorobenzoic acid.

E nwere ụzọ abụọ e si emepụta ihe.
1. Usoro 1.2,4-dichlorotoluene na-eji 2,4-diaminotoluene dị ka ihe e ji arụ ọrụ, a na-enwetakwa ya site na diazotization na chlorination. Tinye hydrochloric acid na mmiri n'ime ite mmeghachi omume, kpoo ọkụ ruo 50℃, gbazee 2,4-diaminotoluene mgbe ị na-akpali ya, wee tinye hydrochloric acid na cuprous chloride n'ime ite ahụ, tinye 1% sodium nitrite solution n'ime Chemicalbook. A na-echekwa okpomọkụ ahụ na ihe dị ka 60 ℃, guzoro otu ebe maka oyi akwa, a na-asa ngwaahịa dị ala na mmiri ruo mgbe ọ ga-anọpụ iche, a na-agbakwunye alkali na alkali, wee jiri mmiri saa ya iji wepụ alkali, a na-ekewapụ 2,4-dichlorotoluene dị nro, a na-agbazekwa ngwaahịa emechara. . A na-enweta usoro 2.3-chloro-4-toluidine site na mmeghachi omume diazotization na sodium nitrite, na mmeghachi omume Sandmeyer na copper chloride.

2.Usoro mmepụta na ụzọ nkwadebe ya dị ka ndị a. N'usoro parachlorotoluene, a na-etinye p-chlorotoluene na catalyst ZrCl4 n'ime reactor, a na-enyekwa ikuku chlorine iji mee mmeghachi omume chlorine. A na-achịkwa ọnụọgụ gas chlorine ruo na njedebe nke mmeghachi omume ahụ ma kwụsị mmeghachi omume ahụ. Reactor enwetara nwere 85.1% nke 2,4-dichlorotoluene. Ọ bụrụ na ejiri FeCl3 mee ihe dị ka ihe na-akpali akpali iji mee mmeghachi omume chlorine na 10 ~ 15℃ ruo mgbe njupụta nke ngwọta ahụ dị 1.025, ngwaahịa ahụ nwere 2,4-dichlorotoluene na 3,4-dichlorotoluene, oke oke nke ihe abụọ ahụ bụ 100:30. Mgbe emechachara chlorine ahụ, saa ya na mmiri ka ọ bụrụ nke na-anọpụ iche, ma jiri 10% NaOH gwọọ ya na 100 ~ 110℃ iji wepụ ihe ndị ọzọ na-adịghị mma. A na-edozi ma kewaa chloride a gwọrọ n'ime ụlọ elu nhazi dị elu (2,4-dichloro Toluene bp200°C, 3,4-dichlorotoluene bp207°C). Mkpụrụ 2,4-dichlorotoluene na 3,4-dichlorotoluene bụ 64.4% na 19.8%, n'otu n'otu. Usoro Ortho-chlorotoluene o-chlorotoluene na-eji sulfuryl chloride dị ka ihe na-eme chlorinating iji mee mmeghachi omume chlorination na 142~196℃. Ngwaahịa ndị a bụ 2,4-dichlorotoluene na 2,3-dichlorotoluene, ha anaghịkwa emeghachi omume. Ihe mejupụtara ihe ndị e ji mee ihe bụ 55%, 6%, na 39%, n'otu n'otu. Mgbe emechara nhichapụ (2,4-dichlorotoluene bp 200°C, 2,3-dichlorotoluene bp 207-208°C, o-chlorotoluene bp 157-159°C), e kewara 2,4-dichlorotoluene. Usoro Ortho-nitrotoluene A na-etinye Ortho-nitrotoluene na chlorine n'ihu ihe na-akpali akpali FeCl3 na 35～40℃. Mgbe njupụta nke ihe mmeghachi omume ruru 1.320 (15℃), saa ihe ahụ ka ọ bụrụ nke na-anọpụ iche, ihe mmeghachi omume ahụ nwekwara 15% nke ihe eji emepụta ihe, 2-chloro-6-nitrotoluene 49%, 4-chloro-2-nitrotoluene 21%, na 15% polychloride, mgbe emechara nhazi na ọgwụgwọ kristal, Akwụkwọ Kemịkalụ na 2-chloro-6-nitrotoluene Mkpụrụ nke 4-chloro-2-nitrotoluene na 4-chloro-2-nitrotoluene bụ 50% na 30% n'otu n'otu. A na-enweta 4-chloro-2-nitrotoluene site na mmeghachi omume mbelata hydrogenation na mgbasa steam iji nweta 4-chloro-2-amino. Toluene, diazotization na itinye CH2Cl2 maka mmeghachi omume Sandmeyer iji nweta 2,4-dichlorotoluene. A na-eji usoro a emepụta 4-chloro-2-nitrotoluene nke bụ ihe sitere na 2-chloro-6-nitrotoluene (eji dị ka ihe etiti nke ọgwụ ogwu quinclorac). Usoro 2,4-Diaminotoluene 2,4-Diaminotoluene na-enweta mmeghachi omume diazotization n'ihu NaNO2 na hydrochloric acid, wee mee mmeghachi omume Sandmeyer n'ihu Cu2Cl2 iji nweta 2,4-dichlorotoluene. Usoro 3-Chloro-4-methylaniline A na-agbakwunye 3-chloro-4-methylaniline na hydrochloric acid na kettle mmeghachi omume, a na-agbakwunye ngwọta mmiri NaNO2 na-agbada na 3 ~ 5℃, a na-emecha mgbakwunye ahụ n'ime awa 2 ~ 3 maka diazotization Mgbe mmeghachi omume ahụ gasịrị, a na-agbakwunye mmiri diazotized na-agbada na ngwọta hydrochloric acid nwere Cu2Cl2 na 2-5°C iji mee mmeghachi omume Sandmeyer iji nweta 2,4-dichlorotoluene. N'ime ụzọ ndị a dị n'elu, chloride nke e ji p-chlorotoluene na o-chlorotoluene emepụtara dị ka ihe eji emepụta ihe nwere ọtụtụ ihe na-adịghị ọcha ma nwee isi ihe ndị yiri ya. Ọ dị mkpa iji ụlọ elu ndị na-edozi ihe dị elu iji kewaa ihe karịrị 98% nke 2,4-dichlorotoluene. Ụzọ abụọ a siri ike ịrụ ọrụ, ọnụ ahịa itinye ego na akụrụngwa dịkwa elu. Usoro 2,4-diaminotoluene adabaghị maka mmepụta ihe, usoro o-nitrotoluene na usoro 3-chloro-4-methylaniline iji kwadebe 2,4-dichlorotoluene nwere otu ụkpụrụ bụ isi, ha abụọ chọrọ diazotization na Sandmeyer. N'ihi ya, enwere ụkọ nke mmiri mkpofu karịa. A na-eji usoro o-nitrotoluene eme ihe iji mepụta 2-chloro-6-nitrotoluene, nke a na-ebelata iji nweta 2-chloro-6-aminotoluene, nke bụ ihe dị mkpa maka mmepụta nke ọgwụ quinclorac herbicidal.