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Ts'ebetso ea Tlhahiso ea CAS No. [95-68-1] 2,4-Dimethylaniline
Lebitso la CAS: Benzenamine, 2,4-dimethyl- Litšupiso tsa nalane: beil. 11, 1111; E1, 483; E2, 606; E3, 2469; E4, 2545.
Lisebelisoa: acid e 'mala oa lamunu 17, 24. acid e khubelu 8, 26, 26: 1, 26: 2, 40, 135, 336. leqhoa le kopanyang karolo ea 29. e khubelu e tobileng 126, 168, 264. violet e tobileng 14. hasanya bosehla 11 .
Lijo tse tšehla 12. Li khubelu tsa lijo 5. Bosehla bo qhibilihang 18, 44, 126. Solvent orange 7, 30. Sehlopha sa karabelo: phokotso ea nitro.
BIOS 1146, 53. 2,4-Dimethylaniline. 2,4-Dimethylaniline. Phetolelo ea Borithane ho tsoa ho Sejeremane. Eseng pokellong ea ka.

Ka sekepeng sa phokotso ea 10 m3 se nang le mokelikeli oa reflux, 1800 L ea metsi, 500 L ea 20% ea ferrous chloride solution le 800 kg ea phofo ea tšepe e fumanoeng ho tsoa ho betch e fetileng e kentsoe. Ho hlohlelletsa ho ts'oaroa mme tharollo e tlisitsoe ho pheha ka ho futhumatsa ka ho otloloha ha mouoane. Nakong ea lihora tse 20 2500 L (2800 kg) ea 4-nitro m-xylene le 2500 kg ea phofo ea tšepe e ile ea eketsoa ho gurator, sekhahla sa tlatsetso se ile sa fetoloa ho boloka motsoako o phehile, mouoane o ne o hlokahala qalong le qetellong. Mouoane o fetoha mouoane o tsoang ka har'a conductor ea noha 'me o khutlisetsoa ho reductor (ka motsoako, o tsoakiloeng le 4-nitro m-xylene) moo senoko sa nitro se hlapolotsoeng ka tsela ena ho hlahisa phokotso e khutsitseng. Ha sampole ea condensate ea liteko e se na xylene, phokotso e felletse mme e hlohlelletsoa lihora tse ling tse 4-5.
Teko: Mehlala e nkuoe ho reductor bakeng sa distillation ea mouoane, oli e tsoang karolongana e tlameha ho ba e se nang 'mala' me e hlahise tharollo e hlakileng ka hydrochloric acid.
Ho qopitsa: lisebelisoa tse tsoang ho lisebelisoa tse fokotsang li petelitsoe ka har'a sesebelisoa ebe li phekoloa ka 6000 L ea benzene ho 60 ° C ebe ea feretsoa, ​​motsoako o hlohlelletsoa hora e le 'ngoe ebe o tloheloa hore o eme hora e le' ngoe. Khokahano lipakeng tsa metsi le leqhoa e ne e khethoa ka ho tebisa thapo e tlameletsoeng ho phaphametseng ka benzene empa e phaphametse metsing, ke hore, botebo ba bokaholimo bo holimo. Grama ea pompo e laoloang ea ho qoelisoa e theoleloa ka tlase ho boemo bo lekantsoeng, 'me karolo e kaholimo ea benzene e petelitsoe ka letamong le nang le naetrojene. Ts'ebetso ena e etsoa makhetlo a 6-7, 'me ho tlosoa ho phethehile ha ho setse feela lik'hilograma tse 3-5 tsa m-xylene amine.
Likhechana tse tharo tsa pele tse nang le matla a itseng a 0.96, 0.925 le 0.90 li romelloa ketleleng ea benzene ea ho hlaphoheloa, 'me likhechana tse latelang tse' maloa tse nang le matla a khoheli a ka tlase ho 0,90 li sebelisoa e le litlatsetso tsa qalo ea bobeli, ea bobeli le ea boraro ea sehlopha se latelang. Tharollo ea benzene ea xylenolamine e sala ka tankeng ea polokelo ebe e romelloa ketleleng ea distillation, moo benzene e fetoha mouoane ebe e khutlisetsoa karolong ea ho ntša metsi ho e sebelisa hape. Xylenolamine e lula ka har'a kettle ea distillation.
Masalla a karolo ea metsi ho distillation ea mouoane e ntšang lihora tse 4-5 ho khutlisa benzene, ebe motsoako oohle le khatello ea moea kahare ho karohano ea kholomo ea serapeng, khatello ea botlaaseng ba sehlatso ho fetisa metsi, fetisa lebelo la metsi ho etsa tšepe ea oxide e phaphametseng, ka phallo e kaholimo ho ea tanka ea polokelo ea litšepe, moo ho qhalloang metsi a litšila.
Lesela le sa sebetsoang la tšepe, le boima ho feta oxide ea tšepe, le teba ho ea tlase ho sekhahla sa cylindrical ka bongata ba 800-1000 kg mme le khutlisetsoa moketjaneng o latelang oa ketlele ea phokotso.
Distillation: Sehlahisoa se sa jeoang se tsoang kh'olomong ea distillation, kamora ho tlosoa ha benzene, se fetisetsoa ketleleng e 'ngoe ea distillation ka kholomo, moo e ntlafatsoang ke distillation e le' ngoe ho 20-30 mm le 125-135 ° C. Ts'ebetso ea distillation ke 97-98%. Ts'ebetso ea distillation e ne e le 97-98%.
Puno yohle ke 90-91%. Kamora 'li-distillation, m-Xylene-4-aniline e lokela ho ba' mala o hlakileng le o mosehla. Tharollo ka acid e hydrochloric e lokela ho hlaka.
PB 25624, 1151. xylidine. Mokhoa oa tlhahiso ea 2,4-xylene-aniline Devon. (Mokhoa oa phokotso ea phofo ea Iron) Ha ea kopitsoa.
Tianjin Wuyi Factory Factory, Setsi sa Patlisiso sa Tianjin Dye. Kakaretso ea tlhahlobo e nyane bakeng sa 2,4-Dimethylaniline e le lipakeng tsa mosehla oa lemone. Indasteri ea Dyestuff, 1970, 5/6, 84-85 (62).
Ts'ebetso ea ts'ebetso: (karolelano ea motsoako: hanyane). Kenya metsi, hydrochloric acid le phofo ea tšepe ka botlolong ea 3000 ml ka sesebelisoa se hlohlelletsang le se thellisang, hlohlelletsa metsotso e 15, ebe o eketsa butle butle mocheso ho 90-98 ℃ ebe o qala ho eketsa nitroxide. Haeba nitroxide e nyamela, tsoela pele ho eketsa nitroxide, hangata nakong ea lihora tse 1.5-2. Kamora ho eketsa nitroxide, boloka karabelo mochesong o kaholimo bakeng sa lihora tse 2-2.5, ho fihlela osmosis e mosehla e nyamela mme ho se monko oa nitroxide, karabelo ea phokotso e tla fihla pheletsong. Ebe u pholile ho fihlela ho 40-50 ℃, eketsa sodium carbonate 'me u fokotse ho pH 7.5-8, ebe u lekanya li-reactants tse sa sebetseng pampiring ea sefahleho ka tharollo ea alkali sulfide.
Ho 2000 ml ea libotlolo tse tharo ho fokotsa li-reactants, pele o tobetsa botlolo e botlaaseng bo tlase bakeng sa jenereithara ea mouoane oa metsi, e lateloe ke condenser e otlolohileng ea tube, condenser ka mora mojari oa distillate, phokotso ea botlolo ea melomo e meraro, beha ho futhumatsa sebōpi sa motlakase, ha mojari oa distillate ka botlalo, a kenella ka har'a funnel ea metsi ho aroloa ka likarolo, m-xylene amines, ebe o boima ho hlahlojoa.
Tianjin Wuyi Factory Factory, Setsi sa Patlisiso sa Tianjin Dye. Kakaretso ea teko e nyane ea 2,4-xylene amine. [J] Indasteri ea Dyestuff, 1975, 2, 63. Shenyang Institute Collection No 75067.
Re tlameha ho re: Indasteri ea dae e fetileng e ne e sa romeloe kantle ho naha, ka hona CA ha ea ka ea e ntša, 'me ha ho motho China ea e thathamisitseng ho fihlela joale, kahoo China Chemical Information Center ha e tsebe ka eona!