Synonyms: 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

Lambar CAS: 95-73-8
Tsarin kwayoyin halitta: C7H6Cl2
Nauyin Kwayoyin: 161.03
Lambar EINECS: 202-445-8

Rukuni masu alaƙa:daidaitattun kayayyakin aikin gona da muhalli; fungicides na triazole; fungicides matsakaici; tsaka-tsakin magungunan kashe qwari; kwayoyin albarkatun kasa; matsakaita; masu tsaka-tsakin kwayoyin halitta; Kwayoyin halitta; Aryl; C7; Halogenated Hydrocarbons; Aromatics; Tubalan Ginin; Littafin Sinadari na Sinadari; Hydrogenated Hydrocarbons; OrganicBuildingBlocks; Samfuran daidaitattun ƙididdiga; Tubalan ginin Organic; Tsakanin magungunan kashe qwari; Halogenated hydrocarbons; Organic sinadaran albarkatun kasa.

2,4-Dichlorotoluene amfani da hanyar kira
Abubuwan sinadaran: ruwa mara launi da m.
Amfani:
1) An yi amfani da shi azaman tsaka-tsakin magungunan kashe qwari, rini da magunguna, ana amfani da su wajen samar da 2,4-dichlorobenzaldehyde, magunguna irin su adipine, buprofen, da sauransu.
2) 2,4-Dichlorotoluene matsakanci ne na bactericides diniconazole da benzylchlorotriazole, kuma Chemicalbook kuma shine albarkatun kasa don shirye-shiryen 2,4-dichlorobenzaldehyde.
3) Organic roba albarkatun kasa, amfani a Pharmaceutical masana'antu domin samar da antimalarial kwayoyi, Adepine, da kira na ventral acid. An yi amfani da shi a cikin tsaka-tsakin magungunan kashe qwari don kera 2,4-dichlorobenzyl chloride, 2,4-dichlorobenzoyl chloride, da 2,4-dichlorobenzoic acid.

Akwai hanyoyi guda biyu na roba don hanyoyin samarwa.
1. Hanyar 1.2,4-dichlorotoluene tana amfani da 2,4-diaminotoluene a matsayin albarkatun kasa, kuma ana samun su ta hanyar diazotization da chlorination. Saka hydrochloric acid da ruwa a cikin tukunyar amsawa, zafi zuwa 50 ℃, narke 2,4-diaminotoluene a ƙarƙashin motsawa, sa'an nan kuma sanya hydrochloric acid da cuprous chloride a cikin tukunyar, ƙara 1% sodium nitrite bayani ko'ina cikin littafin Chemical , Ana kiyaye zafin jiki a kamar 60 ℃, tsaya cak don shimfidawa, ƙananan ɗanyen samfurin ana wanke shi da ruwa har sai ya zama tsaka tsaki, ana zuba alkali a cikin alkali, sannan a wanke da ruwa don cire alkali, danyen 2,4-dichlorotoluene ya rabu, kuma gama samfurin yana tururi distilled. . Ana samun hanyar 2.3-chloro-4-toluidine ta hanyar amsawar diazotization tare da sodium nitrite, da kuma amsawar Sandmeyer tare da jan karfe chloride.

2.Hanyar samarwa da hanyoyin shirye-shiryenta sune kamar haka. A cikin hanyar parachlorotoluene, p-chlorotoluene da mai kara kuzari ZrCl4 ana saka su a cikin reactor, kuma ana hura iskar chlorine don aiwatar da halayen chlorination. Ana sarrafa adadin iskar chlorine zuwa ƙarshen abin da ya faru kuma an dakatar da amsawa. Mai amsawa da aka samu ya ƙunshi 85.1% na 2,4-dichlorotoluene. Idan FeCl3 aka yi amfani da matsayin mai kara kuzari don aiwatar da chlorination dauki a 10 ~ 15 ℃ har dangi yawa na maganin ne 1.025, samfurin ya ƙunshi 2,4-dichlorotoluene da 3,4-dichlorotoluene, da taro rabo na biyu. aka gyara shine 100:30 . Bayan an gama chlorination, a wanke da ruwa zuwa tsaka tsaki, kuma a bi da 10% NaOH bayani a 100 ~ 110 ℃ don cire wasu ƙazanta. An gyara chloride da aka kula da shi kuma an raba shi a cikin hasumiya mai inganci mai inganci (2,4-dichloro Toluene bp200°C, 3,4-dichlorotoluene bp207°C). Abubuwan da aka samu na 2,4-dichlorotoluene da 3,4-dichlorotoluene sun kasance 64.4% da 19.8%, bi da bi. Hanyar Ortho-chlorotoluene o-chlorotoluene yana amfani da sulfuryl chloride a matsayin wakili na chlorinating don aiwatar da amsawar chlorination a 142 ~ 196 ℃. Samfuran sune 2,4-dichlorotoluene da 2,3-dichlorotoluene, kuma ba a yi amfani da su ba. Bayan distillation (2,4-dichlorotoluene bp 200°C, 2,3-dichlorotoluene bp 207-208°C, o-chlorotoluene bp 157-159°C), 2,4-dichlorotoluene ya rabu. Hanyar Ortho-nitrotoluene Ortho-nitrotoluene an chlorinated a gaban FeCl3 mai kara kuzari a 35 ~ 40 ℃. Lokacin da dangi yawa na reactant ya kai 1.320 (15 ℃), wanke kayan zuwa tsaka tsaki, kuma reactant ya ƙunshi 15% na albarkatun kasa, 2-chloro-6-nitrotoluene 49%, 4-chloro-2-nitrotoluene 21% , da kuma 15% polychloride, bayan gyarawa da maganin crystallization, da Chemicalbook zuwa 2-chloro-6-nitrotoluene Abubuwan da ake samu na 4-chloro-2-nitrotoluene da 4-chloro-2-nitrotoluene sune 50% da 30% bi da bi. 4-chloro-2-nitrotoluene ana samun ta ta hanyar rage yawan hydrogenation da distillation na tururi don samun 4-chloro-2-amino. Toluene, diazotization da ƙara CH2Cl2 don amsawar Sandmeyer don samun 2,4-dichlorotoluene. Ana amfani da hanyar don samar da 4-chloro-2-nitrotoluene wanda shine samfurin 2-chloro-6-nitrotoluene (amfani da shi azaman matsakaici na quinclorac herbicide). 2,4-Diaminotoluene Hanyar 2,4-Diaminotoluene yana yin maganin diazotization a gaban NaNO2 da hydrochloric acid, sa'an nan kuma ya yi Sandmeyer dauki a gaban Cu2Cl2 don samun 2,4-dichlorotoluene. 3-Chloro-4-methylaniline Hanyar 3-chloro-4-methylaniline da hydrochloric acid ana saka su a cikin tukunyar amsawa, ana ƙara ruwan NaNO2 mai ruwa a hankali a 3 5 ℃, ƙari kuma yana ƙare a cikin 2～ 3h don diazotization Bayan amsawa, ana ƙara ruwa mai diazotized a hankali zuwa maganin hydrochloric acid mai ɗauke da Cu2Cl2 a 2-5 ° C don yin aikin Sandmeyer don samun 2,4-dichlorotoluene. Daga cikin hanyoyin da ke sama, chloride da aka samar ta hanyar amfani da p-chlorotoluene da o-chlorotoluene a matsayin albarkatun kasa yana dauke da datti da yawa kuma yana da irin wuraren tafasa. Wajibi ne a yi amfani da hasumiya masu gyare-gyare masu inganci don raguwa don samun fiye da 98% na 2,4-dichlorotoluene. Wadannan hanyoyi guda biyu suna da wuyar aiki, kuma farashin zuba jari na kayan aiki yana da yawa. Hanyar 2,4-diaminotoluene ba ta dace da masana'antu ba, kuma hanyar o-nitrotoluene da hanyar 3-chloro-4-methylaniline don shirya 2,4-dichlorotoluene suna da ka'idodi guda ɗaya, kuma duka biyu suna buƙatar diazotization da Sandmeyer A mayar da martani. , akwai ƙarancin ƙarin ruwan sharar gida. Ana amfani da hanyar o-nitrotoluene don haɗin gwiwar samar da 2-chloro-6-nitrotoluene, wanda aka ƙara ragewa don samun 2-chloro-6-aminotoluene, wanda shine tsaka-tsaki mai mahimmanci don samar da quinclorac herbicide.