Okwu ndị yiri: 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 ihe omimi: C7H6Cl2
Arọ molikula: 161.03
Nọmba EINECS: 202-445-8

Ụdị emetụtara:ngwaahịa ugbo na gburugburu ebe obibi; fungicides nke triazole; fungicides intermediates; pesticide intermediates; organic raw ihe; ndị etiti; organic intermediates; Organics; Arịl; C7; Hydrocarbons halogenated; Aromatics; Ihe mgbochi ụlọ; Chemicalbook Synthesis; Mmiri hydrogenated; OrganicBuildingBlocks; Ngwaahịa ọkọlọtọ nyocha; Ngwongwo ụlọ Organic; Pesticidesintermediate; Halogenated hydrocarbons; Ngwa ngwa kemịkalụ.

2,4-Dichlorotoluene ojiji na njikọ usoro
Njirimara kemịkalụ: mmiri mmiri na-enweghị agba na transperent.
Jiri:
1) A na-eji ya dị ka etiti nke pesticides, akwa na ọgwụ ọgwụ, nke a na-eji na-emepụta 2,4-dichlorobenzaldehyde, ọgwụ ndị dị ka adipine, buprofen, wdg.
2) 2,4-Dichlorotoluene bụ etiti nke bactericides diniconazole na benzylchlorotriazole, na Chemicalbook bụkwa ihe eji eme ihe maka nkwadebe nke 2,4-dichlorobenzaldehyde.
3) Organic sịntetik akụrụngwa, eji na ụlọ ọrụ na-emepụta ọgwụ maka mmepụta nke ọgwụ mgbochi ịba, Adepine, na njikọ nke ventral acid. Ejiri ya na pesticide intermediates rụpụta 2,4-dichlorobenzyl chloride, 2,4-dichlorobenzoyl chloride, na 2,4-dichlorobenzoic acid.

Enwere ụzọ abụọ sịntetịt maka ụzọ mmepụta.
1. Usoro 1.2,4-dichlorotoluene na-eji 2,4-diaminotoluene dị ka akụrụngwa, a na-enweta ya site na diazotization na chlorination. Tinye hydrochloric acid na mmiri n'ime ite mmeghachi omume, kpoo ọkụ ruo 50 ℃, gbazee 2,4-diaminotoluene n'okpuru mkpali, wee tinye hydrochloric acid na cuprous chloride n'ime ite, tinye 1% sodium nitrite ngwọta evenly n'ime Chemicalbook , A na-echekwa okpomọkụ na ihe dị ka 60 ℃, guzoro maka ịkwa akwa, a na-eji mmiri na-asa ngwaahịa ala ala ruo mgbe ọ na-anọpụ iche, a na-etinye alkali na alkali, wee saa ya na mmiri iji wepụ alkali, crude 2,4-dichlorotoluene kewapụrụ, na Emechara ngwaahịa bụ uzuoku distilled. . A na-enweta usoro 2.3-chloro-4-toluidine site na mmeghachi omume diazotization na sodium nitrite, yana mmeghachi omume Sandmeyer na ọla kọpa chloride.

2.Usoro mmepụta na ụzọ nkwadebe ya bụ ndị a. N'ime usoro parachlorotoluene, a na-etinye p-chlorotoluene na catalyst ZrCl4 n'ime reactor, a na-ewepụta gas chlorine iji mee mmeghachi omume chlorination. Ọnụ ọgụgụ nke gas chlorine na-achịkwa ruo na njedebe nke mmeghachi omume ahụ ma kwụsịkwa mmeghachi omume ahụ. Ihe nzaghachi 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 chlorination na 10 ~ 15 ℃ ruo mgbe njupụta nke ngwọta bụ 1.025, ngwaahịa ahụ nwere 2,4-dichlorotoluene na 3,4-dichlorotoluene, yana oke nha nke abụọ ahụ. ihe mejupụtara ya bụ 100:30 . Mgbe chlorination mechara, were mmiri saa ya ka ọ ghara ịnọpụ iche, ma were 10% NaOH ngwọta na 100 ~ 110 ℃ wepụ adịghị ọcha ndị ọzọ. A na-edozi chloride a na-agwọ ma kewapụ ya n'ụlọ elu na-arụ ọrụ nke ọma (2,4-dichloro Toluene bp200°C, 3,4-dichlorotoluene bp207°C). Mkpụrụ nke 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 onye na-emepụta chlorinating iji mee mmeghachi omume chlorination na 142 ~ 196 ℃. Ngwaahịa bụ 2,4-dichlorotoluene na 2,3-dichlorotoluene, na enweghị mmeghachi omume Ngwakọta nke akụrụngwa bụ 55%, 6%, na 39% n'otu n'otu. Mgbe distillation (2,4-dichlorotoluene bp 200°C, 2,3-dichlorotoluene bp 207-208°C, o-chlorotoluene bp 157-159°C), 2,4-dichlorotoluene kewapụrụ. Usoro Ortho-nitrotoluene Ortho-nitrotoluene bụ chlorinated na ọnụnọ FeCl3 na-eme ka ọ dị na 35 ~ 40 ℃. Mgbe ikwu njupụta nke reactant ruru 1.320 (15 ℃), saa ihe na-anọpụ iche, na reactant nwere 15% nke akụrụngwa, 2-chloro-6-nitrotoluene 49%, 4-chloro-2-nitrotoluene 21% , na 15% polychloride, mgbe emezigharị na ọgwụgwọ crystallization, na Chemicalbook ka 2-chloro-6-nitrotoluene The 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 distillation uzuoku iji nweta 4-chloro-2-amino. Toluene, diazotization na ịgbakwunye CH2Cl2 maka mmeghachi omume Sandmeyer iji nweta 2,4-dichlorotoluene. A na-eji usoro a na-emepụta 4-chloro-2-nitrotoluene bụ nke sitere na 2-chloro-6-nitrotoluene (eji dị ka etiti nke quinclorac herbicide). 2,4-Diaminotoluene Method 2,4-Diaminotoluene na-enweta mmeghachi omume diazotization na ọnụnọ NaNO2 na hydrochloric acid, wee mee Sandmeyer mmeghachi omume n'ihu Cu2Cl2 iji nweta 2,4-dichlorotoluene. A na-agbakwunye usoro 3-Chloro-4-methylaniline 3-chloro-4-methylaniline na hydrochloric acid na kettle mmeghachi omume, a na-agbakwunye mmiri mmiri NaNO2 dropwise na 3 5 ℃, na mgbakwunye na-agwụcha n'ime 2:3h maka diazotization. mmeghachi omume, diazotized mmiri mmiri na-agbakwunyere dropwise na hydrochloric acid ngwọta nwere Cu2Cl2 na 2-5 ° C ime Sandmeyer mmeghachi omume iji nweta 2,4-dichlorotoluene. N'ime ụzọ ndị a dị n'elu, chloride na-emepụta site na iji p-chlorotoluene na o-chlorotoluene dị ka akụrụngwa nwere ọtụtụ adịghị ọcha ma nwee isi ihe na-esi ísì ụtọ. Ọ dị mkpa iji ụlọ elu na-arụ ọrụ dị elu na-arụ ọrụ iji nweta ihe karịrị 98% nke 2,4-dichlorotoluene. Ụzọ abụọ a siri ike ịrụ ọrụ, na ego ntinye ego akụrụngwa dị elu. Usoro 2,4-diaminotoluene adịghị adabara maka mmepụta mmepụta ihe, na usoro o-nitrotoluene na usoro 3-chloro-4-methylaniline iji kwadebe 2,4-dichlorotoluene nwere otu ụkpụrụ ndị bụ isi, ma ha abụọ chọrọ diazotization na Sandmeyer Na nzaghachi. , enwere mbelata nke mmiri mkpofu karịa. A na-eji usoro o-nitrotoluene na-emepụta 2-chloro-6-nitrotoluene, nke a na-ebelata ka ọ nweta 2-chloro-6-aminotoluene, nke bụ ihe dị mkpa n'etiti mmepụta nke quinclorac herbicide.