Wanda kuma aka sani da dimethyl tiphenylamine, ruwa mai mai launi zuwa rawaya mai haske, mai ƙamshi mai kaifi, mai sauƙin oxidize a cikin iska ko ƙarƙashin rana kuma ana amfani da ze mai duhu. Yawan da ke tsakanin (20)℃/ 4℃) 0.9555, wurin daskarewa 2.0℃, wurin tafasa 193℃, wurin walƙiya (buɗewa) 77℃, wurin walƙiya 317℃, danko (25)℃) 1.528mpa-s, ma'aunin haske (n20D) 1.5584. Mai narkewa a cikin ethanol, ether, chloroform, benzene da sauran sinadarai masu narkewa a cikin halitta. Yana narkewa a cikin nau'ikan sinadarai masu narkewa a cikin halitta. Yana narkewa kaɗan a cikin ruwa. Yana da combusyana da ƙarfi kuma zai ƙone idan akwai harshen wuta a buɗe. Tururin da iska za su samar da cakuda mai fashewa tare da iyakar fashewa na 1.2% ~ 7.0% (vol). Yana da guba sosai, kuma iskar aniline mai guba tana fitowa ta hanyar ruɓewar kuzarin zafi mai yawa. Ana iya sha ta fata kuma ta haifar da guba, LD501410mg/kg, matsakaicin yawan iska da aka yarda da shi shine 5mg/m3.

Hanyar ajiya

1. Gargaɗi game da Ajiya[25] A adana a cikin ma'ajiyar ajiya mai sanyi da iska mai kyau. A ajiye a nesa da hanyoyin wuta da zafi. A rufe kwantenar. Ya kamata a adana shi daban da acid, halogens, da sinadarai masu ci, kuma kada a taɓa gauraya shi. An sanya masa nau'ikan kayan aikin kashe gobara da suka dace. Ya kamata a sanya masa wurin ajiyar kayan aikin gaggawa don ɓuya da kayan mafaka masu dacewa.

2. A ɗauki marufi mai rufe ganga na ƙarfe, kilogiram 180 a kowace ganga, sannan a adana a wuri mai sanyi da iska. A adana kuma a kai shi bisa ga ƙa'idodin kayan da ke iya kama da wuta da guba.

hanyar haɗakarwa

1. Ana samunsa ta hanyar amsawar da ke tsakanin aniline da methanol a gaban sulfuric acid a babban zafin jiki da matsin lamba mai yawa. Gudun tsari: 1. An ƙara kilogiram 790 na aniline, kilogiram 625 na methanol, kilogiram 85 na sulfuric acid (ammonium 100%) a cikin kettle na amsawa, zafin sarrafawa 210-215℃, matsin lamba 3.1MPa, amsa na tsawon awanni 4, sannan a saki matsin, sai a fitar da kayan zuwa ga mai rabawa, a rage shi da kashi 30% na sodium hydroxide, wanda ke tsaye, sannan a raba gishirin ammonium na ƙasa. Sannan a 160℃, 0.7-Haɗakar hydrolysis na 0.9MPa na tsawon awanni 3, samfuran hydrolysis da saman Layer na kayan mai sun haɗu ta hanyar wankewa bayan an narkar da samfurin da aka gama.

2. Ta amfani da methanol da aniline a matsayin kayan aiki, ana haɗa shi ta hanyar alumina catalyst a ƙarƙashin yanayin 200-250℃tare da yawan methanol da matsin lamba na yanayi. Adadin amfani da kayan masarufi: aniline 790kg/t, methanol 625kg/t, sulfuric acid 85kg/tShirye-shiryen dakin gwaje-gwaje na iya yin maganin aniline tare da trimethyl phosphate.

3. aniline da methanol da aka haɗa (n aniline: n methanol)≈1:3), kuma ta hanyar famfon auna bugun jini wanda ba ya juyewa, an allurar da shi a saurin iska na awanni 0.5-1 zuwa cikin na'urar da ke sanye da mai kara kuzari, amsawar ta fara fitowa zuwa cikin mai raba gas-ruwa na gilashi, s.an cire na'urar cire ruwa da aka tara a lokaci-lokaci don nazarin chromatographic.

A shekara ta 2001, Jami'ar Nankai da Tianjin Ruikai Technology Development Co., Ltd. sun haɗu suka ƙirƙiro wani sinadarin methylation mai inganci sosai, kuma suka cimma haɗakar sinadarin N,N-dimethyl aniline a cikin iskar gas. Tsarin aikin kamar haka: Ana haɗa aniline mai ruwa da methanol, a saka shi a cikin hasumiyar tururi, sannan a saka shi cikin wani injin reactor mai saurin iska na 0.5-1.0h-1 (gadon da aka gyara na injin reactor ɗin yana da na'urar nano-solid catalyst), kuma ana ci gaba da samar da shi a zafin 250-300.℃under matsin lamba na yanayi, tare da yawan amfanin DMA na sama da 96%.

Hanyar tacewa: Sau da yawa yana ɗauke da ƙazanta kamar aniline da N-methyl aniline. Ana narkar da N,N-dimethylaniline a cikin kashi 40% na sulfuric acid sannan a tace shi da tururin ruwa. Ana ƙara sodium hydroxide don ya zama alkaline. Ana ci gaba da tacewa da tururin ruwa. Ana raba distillate ɗin zuwa yadudduka masu ruwa sannan a busar da shi da potassium hydroxide. Ana yin distillation na matsa lamba na yau da kullun a gaban acetic anhydride. Ana wanke distillate ɗin da ruwa don cire alamun acetic anhydride, a busar da shi da potassium hydroxide, sannan a bi shi da barium oxide, sannan a tace a ƙarƙashin matsin lamba mai raguwa a gaban rafin nitrogen. Sauran hanyoyin tace distillate ɗin sun haɗa da ƙara 10% acetic anhydride da refluxing na tsawon awanni don cire amines na farko da na biyu. Bayan sanyaya, ana ƙara yawan hydrochloric acid 20% kuma a cire shi da ether. Layer ɗin hydrochloric acid yana da alkaline tare da alkali sannan a cire shi da ether, kuma Layer ɗin ether ɗin an busar da shi da potassium hydroxide kuma an distilled ƙarƙashin matsin lamba mai raguwa a ƙarƙashin rafin nitrogen. Ana iya canza N,N-dimethylaniline zuwa gishirin picric acid, a sake mayar da shi wurin narkewa akai-akai sannan a narke shi da ruwan dumi na sodium hydroxide mai kashi 10%. Sannan a cire shi da ether, a wanke shi kuma a busar da shi, sannan a tace shi a ƙarƙashin matsin lamba mai raguwa.

5. Aniline, methanol da sulfuric acid da aka gauraya daidai gwargwado, amsawar danshi a cikin autoclave, samfuran amsawa ta hanyar dawo da rage matsin lamba na methanol, ƙara maganin alkali, rabuwa sannan distillation ta hanyar rage matsin lamba don samun samfurin.

6. Ana iya samar da N,N-dimethylaniline ta hanyar amsawar methylation na aniline da trimethyl phosphate, sannan a cire shi ta ether, a busar da shi sannan a tace shi.

7. Ana iya haɗa N,N-dimethylaniline a kan gadon mai kara kuzari na Ziegler a cikin tsarin jan ƙarfe-manganese ko tsarin jan ƙarfe-zinc-chromium a 280℃tare da cakuda aniline da methanol a rabo na 1:3.5. An tattara N,N-dimethylaniline da aka samu a 193-195℃a kan na'urar tacewa mai shafuka 54 sannan a saka a cikin kwalaben gilashi masu launin ruwan kasa. Don shirya tsaftaccen N, N-dimethylaniline, ana iya allurar N, N-dimethylaniline da iskar nitrogen a matsayin iskar gas mai ɗaukar iska a cikin shirye-shiryen gas chromatograph wanda ke aiki.ch yana da ginshiƙin ƙarfe na phosphate.

Babban aikace-aikacen

1. Yana ɗaya daga cikin kayan aiki na asali don samar da rini mai tushen gishiri (triphenylmethane dyestuff, da sauransu) da rini mai alkali. 2. Ana amfani da shi azaman mai narkewa, mai kiyaye ƙarfe, wakili mai warkarwa don resin epoxy, mai warkar da hanzari don resin polyester, mai haɗaka don polymerization na mahaɗan ethylene, da sauransu. Ana kuma amfani da shi don shirya rini na alkaline triphenylmethane, rini na azo da vanillin, da sauransu. 3. Ana kuma amfani da shi wajen shirya rini na alkaline triphenylmethane, rini na azo da vanillin, da sauransu. 3. Ana amfani da shi azaman mai haɓaka aiki wajen ƙera kumfa polyurethane tare da haɗin gwiwar mahaɗan organotin. Ana kuma amfani da shi azaman mai haɓaka aiki wajen ƙera kumfa polyurethane da kuma azaman kayan aiki na mai haɓaka ruɓin roba, abubuwan fashewa da magunguna. Ana amfani da N,N-Dimethylaniline a masana'antar magunguna don samar da cephalosporin V, sulfamethoxine N-methoxypyrimidine, sulfamethoxine o-dimethoxypyrimidine, fluorosporine, da sauransu. Haka kuma ana amfani da shi a masana'antar turare don samar da vanillin. 4. Ana amfani da shi azaman mai hanzarta warkarwa don epoxy resin, polyester resin da anaerobic manne, don haka manne anaerobic ya taurare da sauri. Hakanan ana iya amfani da shi azaman mai narkewa, mai haɗaka don polymerization na mahadi ethylene, mai kiyaye ƙarfe, mai ɗaukar ultraviolet don kayan kwalliya, mai ɗaukar hoto, da sauransu. Hakanan ana iya amfani da shi azaman mai haɓaka don ƙera rini na alkaline, rini na watsawa, rini na acid, rini da ƙamshi masu narkewa mai (vanillin), da sauransu. Hakanan ana amfani da shi azaman kayan aiki don ƙera rini na alkaline, rini na watsawa, rini na acid, rini na mai narkewa da kayan ƙanshi (vanillin), da sauransu. Ana amfani da shi azaman mai haɗawa don tantance nitrite. Ana kuma amfani da shi azaman mai narkewa, kuma ana amfani da shi a cikin haɗakar halitta.6. Ana amfani da shi azaman tsaka-tsakin rini, mai narkewa, mai daidaita abubuwa, da kuma masu nazarin abubuwa. [26]