Ma'anar kalmomi: 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 halitta: 161.03
Lambar EINECS: 202-445-8

Rukuni masu alaƙa:Kayayyakin noma da na muhalli; magungunan kashe kwari na triazole; magungunan kashe kwari; magungunan kashe kwari; kayan amfanin gona na halitta; matsakaici; magungunan kashe kwari; Organics; Aryl; C7; Hydrocarbons masu Halogenated; Ƙamshi; Tubalan Gine-gine; Haɗakar Sinadaran Chemical Book; Hydrocarbons masu Hydrogenated; OrganicBuildingBlocks; Kayayyakin nazari; Tubalan gini na halitta; Magungunan kashe kwari masu tsaka-tsaki; Hydrocarbons masu Halogenated; Kayan sinadarai na halitta.

Hanyar amfani da kuma haɗa Dichlorotoluene 2,4
Kayayyakin sinadarai: ruwa mara launi da haske.
Amfani:
1) Ana amfani da shi azaman tsaka-tsakin magungunan kashe kwari, rini da magunguna, waɗanda ake amfani da su wajen samar da 2,4-dichlorobenzaldehyde, magunguna kamar adipine, buprofen, da sauransu.
2) 2,4-Dichlorotoluene wani sinadari ne na diniconazole da benzylchlorotriazole na ƙwayoyin cuta, kuma Chemicalbook shi ma kayan da ake amfani da su wajen shirya 2,4-dichlorobenzaldehyde ne.
3) Kayan da aka yi amfani da su wajen hada magunguna, wadanda ake amfani da su a masana'antar magunguna don samar da magungunan hana zazzabin cizon sauro, Adepine, da kuma hada sinadarin ventral acid. Ana amfani da su a cikin magungunan kashe kwari don samar da sinadarin 2,4-dichlorobenzyl chloride, 2,4-dichlorobenzoyl chloride, da kuma 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 kayan da aka samo, kuma ana samun ta ta hanyar diazotization da chlorination. Sanya hydrochloric acid da ruwa a cikin tukunyar amsawa, a dumama zuwa 50℃, a narke 2,4-diaminotoluene a ƙarƙashin juyawa, sannan a saka hydrochloric acid da cuprous chloride a cikin tukunya, a ƙara 1% sodium nitrite maganin daidai gwargwado a cikin Chemicalbook. Zafin yana kiyayewa a kusan 60 ℃, a tsaya cak don yin layi, ana wanke ƙananan samfurin danye da ruwa har sai ya yi tsaka tsaki, ana ƙara alkali a cikin alkali, sannan a wanke da ruwa don cire alkali, an raba ɗanyen 2,4-dichlorotoluene, kuma an gama samfurin an narkar da shi da tururi. . Ana samun hanyar 2.3-chloro-4-toluidine ta hanyar diazotization reaction tare da sodium nitrite, da kuma Sandmeyer reaction tare da jan karfe chloride.

2.Hanyar samarwa da hanyoyin shiryawa sune kamar haka. A cikin hanyar parachlorotoluene, ana saka p-chlorotoluene da catalyst ZrCl4 a cikin reactor, sannan a fitar da iskar chlorine don aiwatar da chlorination. Ana sarrafa adadin iskar chlorine har zuwa ƙarshen amsawar kuma ana dakatar da amsawar. Reactant ɗin da aka samu ya ƙunshi 85.1% na 2,4-dichlorotoluene. Idan ana amfani da FeCl3 a matsayin mai kara kuzari don aiwatar da chlorination a 10~15℃ har sai yawan maganin ya kai 1.025, samfurin ya ƙunshi 2,4-dichlorotoluene da 3,4-dichlorotoluene, kuma rabon taro na abubuwan biyu shine 100:30. Bayan an kammala chlorination, a wanke da ruwa don ya zama tsaka tsaki, kuma a yi magani da maganin NaOH 10% a 100~110℃ don cire wasu ƙazanta. Ana gyara sinadarin chloride da aka yi wa magani kuma a raba shi a cikin wani hasumiyar gyara mai inganci (2,4-dichloro Toluene bp200°C, 3,4-dichlorotoluene bp207°C). Yawan amfanin 2,4-dichlorotoluene da 3,4-dichlorotoluene sun kasance 64.4% da 19.8%, bi da bi. Hanyar Ortho-chlorotoluene o-chlorotoluene tana amfani da sulfuryl chloride a matsayin wakilin chlorinating don aiwatar da amsawar chlorination a 142~196℃. Kayayyakin sune 2,4-dichlorotoluene da 2,3-dichlorotoluene, kuma ba su da amsawa. Abun da aka samar da kayan shine 55%, 6%, da 39%, bi da bi. Bayan tacewa (2,4-dichlorotoluene bp 200°C, 2,3-dichlorotoluene bp 207-208°C, o-chlorotoluene bp 157-159°C), an raba 2,4-dichlorotoluene. Hanyar Ortho-nitrotoluene Ana sanya Ortho-nitrotoluene a cikin chlorine a gaban mai kara kuzari FeCl3 a 35～40℃. Idan yawan sinadarin da ke cikin sinadarin ya kai 1.320 (15℃), a wanke kayan zuwa tsaka-tsaki, kuma sinadarin da ke cikin sinadarin ya ƙunshi kashi 15% na sinadarin da aka samar, 2-chloro-6-nitrotoluene 49%, 4-chloro-2-nitrotoluene 21%, da 15% polychloride, bayan an gyara shi da kuma an yi masa maganin crystallization, sinadarin da ke cikin ... Ana amfani da hanyar don samar da 4-chloro-2-nitrotoluene wanda samfurin 2-chloro-6-nitrotoluene ne (wanda ake amfani da shi azaman tsakiyar maganin kashe kwari na quinclorac). Hanyar 2,4-Diaminotoluene 2,4-Diaminotoluene yana fuskantar amsawar diazotization a gaban NaNO2 da hydrochloric acid, sannan yana yin amsawar Sandmeyer a gaban Cu2Cl2 don samun 2,4-dichlorotoluene. Hanyar 3-Chloro-4-methylaniline Ana ƙara 3-chloro-4-methylaniline da hydrochloric acid a cikin kettle na amsawa, ana ƙara maganin ruwa na NaNO2 a 3~5℃, kuma ana kammala ƙarar cikin awanni 2~3 don diazotization Bayan amsawar, ana ƙara ruwan da aka yi diazot a dropwise zuwa maganin hydrochloric acid wanda ke ɗauke da Cu2Cl2 a 2-5°C don yin amsawar Sandmeyer don samun 2,4-dichlorotoluene. Daga cikin hanyoyin da aka ambata a sama, sinadarin chloride da ake samarwa ta hanyar amfani da p-chlorotoluene da o-chlorotoluene a matsayin kayan masarufi ya ƙunshi ƙazanta da yawa kuma yana da irin waɗannan wuraren tafasa. Ya zama dole a yi amfani da hasumiyoyin gyarawa masu inganci don raba su don samun fiye da kashi 98% na 2,4-dichlorotoluene. Waɗannan hanyoyi guda biyu suna da wahalar aiki, kuma kuɗin saka hannun 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 ƙa'idodi iri ɗaya, kuma duka suna buƙatar diazotization da Sandmeyer. A martanin da aka bayar, akwai ƙarancin ruwan sharar gida. Ana amfani da hanyar o-nitrotoluene don samar da 2-chloro-6-nitrotoluene tare, wanda aka ƙara rage shi don samun 2-chloro-6-aminotoluene, wanda shine muhimmin matsakaici don samar da maganin herbicidal quinclorac.