2,6-diethylaniline hmoov, CAS 579-66-8, Molecular formula C10H15N. Cov khoom no yog lub teeb daj rau liab pob tshab oily kua. Melting point 3-4 degree, boiling point 243 degree, txheeb ze ntom ntom 0.906 g / mL ntawm 25℃C (lit.), txheeb ze molecular hnyav 149.23. Insoluble nyob rau hauv dej, tab sis yooj yim soluble nyob rau hauv cov organic solvents xws li ethanol, ether, benzene, thiab toluene, nws yog ib tug qaug zog alkaline compound uas muaj peev xwm hnov mob nrog cov acids muaj zog los tsim cov ntsev sib xws, los yog oxidized los ntawm oxidants los tsim cov khoom siv oxidation. Nws yog ib qho tseem ceeb tshaj plaws ntawm cov tshuaj amine. Cov khoom no yog ib qho tseem ceeb organic synthetic intermediate siv nyob rau hauv kev tsim cov dyes, kws, tshuaj tsw qab, thiab tshuaj tua kab. Nws tuaj yeem hloov tetraethyl lead ua roj av los tiv thaiv khob. Nws kuj yog ib qho tseem ceeb tshuaj tua kab, zas xim, thiab tshuaj nruab nrab, thiab yog cov khoom siv raw rau amide herbicides metoclopramide thiab butachlor. Qhov sib xyaw no tuaj yeem hloov tetraethyl lead ua roj av los tiv thaiv lub khob, dav siv hauv cov roj hmab additives thiab petrochemical teb. Txawm li cas los xij, nws yog ib qho tseem ceeb los tswj 2,6-diethylaniline nrog kev saib xyuas vim nws muaj peev xwm noj qab haus huv thiab ib puag ncig muaj kev phom sij, thiab ua raws li kev nyab xeeb thiab kev tswj cov khib nyiab kom txo tau qhov cuam tshuam rau tib neeg kev noj qab haus huv thiab ib puag ncig.
|
Tshuaj Formula |
C10H15N |
|
Exact Mass |
149 |
|
Molecular Luj |
149 |
|
m/z |
149 (100.0%), 150 (10.8%) |
|
Elemental Analysis |
C, 80.48; H, 10.13; N, 9.39 |
|
|
|
2,6-diethylaniline hmoov(DEA), raws li ib qho tseem ceeb ntawm cov organic synthesis nruab nrab, tau qhia dav daim ntawv thov nqi nyob rau hauv lub teb ntawm tshuaj tua kab, dyes, tshuaj, roj hmab additives, petrochemicals, thiab zoo tshuaj vim nws cov cim molecular qauv thiab reactivity.
Tshuaj tua kab: Core raw khoom rau amide herbicides
1. Daim ntawv thov keeb kwm yav dhau
DEA yog ib qho tseem ceeb nruab nrab rau kev sib txuas ntawm chloroacetanilide herbicides, tshwj xeeb tshaj yog Alachlor, Butachlor, thiab Pretilahlor. Hom tshuaj tua kab no zoo tswj cov nroj tsuag los ntawm inhibiting kev ua haujlwm ntawm cov nroj tsuag nroj tsuag, cuam tshuam cov protein synthesis.
2. Cov piv txwv tshwj xeeb
Alachlor
Siv: Feem ntau yog siv rau cov qoob loo qhuav xws li pob kws, taum pauv, txiv laum huab xeeb, thiab lwm yam., kev kho av ua ntej tshwm sim, los tswj cov nroj tsuag txhua xyoo gramineous thiab qee qhov dav - tawm cov nroj tsuag.
Kev Siv: 1-4 kg ib hectare, siv tau rau 4-6 lub lis piam.
Synthesis txoj kev: DEA thiab chloroacetyl chloride yog siv los ua raw khoom los tsim cov khoom xyaw nquag ntawm metoclopramide los ntawm acylation cov tshuaj tiv thaiv.
Qhov zoo: Kev xaiv siab, kev nyab xeeb qoob loo, luv luv av degradation ib nrab-lub neej (30-45 hnub), raws li kev cai ib puag ncig.
Butachlor
Kev Siv: Siv ua ntej hloov cov nplej lossis ua ntej sowing hauv thaj teb nyob, los tiv thaiv thiab tswj cov nyom nyom, tsis sib xws sedge, thiab lwm yam.
Mechanism ntawm kev txiav txim: Tom qab kev sib cuag nrog cov nroj tsuag sprouts, nws cuam tshuam nrog lipid metabolism, ua rau cellular structural puas.
Kev ua lag luam txoj haujlwm: Lub ntiaj teb txhua xyoo xav tau tshaj 50000 tons, suav txog 12% ntawm kev ua lag luam ntawm cov tshuaj tua kab mob rau cov nplej.
Pretilachlor
Innovation point: Muaj cov qauv acetyl, txhim khu kev ruaj ntseg ntawm cov nplej thiab tuaj yeem siv rau kev cog qoob loo.
Technical parameters: purity Ntau dua los yog sib npaug rau 95%, melting point 38-40 degree, sau npe ntau npaum li cas 600-900 g / ha.
3. Technical zoo
Kev taw qhia ntawm ethyl los ntawm DEA txhim kho cov hydrophobicity ntawm cov molecule, txhim kho kev nkag mus ntawm cov tshuaj tua kab rau hauv cov nroj tsuag wax txheej, thiab txo cov dej solubility kom txo tau cov tshuaj tua kab puas tsuaj rau cov qoob loo.
Kev lag luam dyes thiab pigments: cov khoom nruab nrab tseem ceeb rau siab - cov ntaub ntawv xim ua haujlwm
1. Mechanism ntawm kev ua
DEA, raws li qhov nruab nrab ntawm azo dyes thiab phthalocyanine pigments, muaj cov amino pawg (- NH ₂) ntawm nws lub nplhaib benzene uas tuaj yeem ua rau cov tshuaj diazotizing reagents los tsim diazonium ntsev, uas tom qab ntawd cuam tshuam nrog cov khoom sib txuas xws li phenols thiab naphthols los tsim cov zothyls ruaj khov.
2. Daim ntawv thov piv txwv
Synthesis ntawm azo dyes
Piv txwv cov tshuaj tiv thaiv: DEA yog diazotized nrog sodium nitrite ntawm qhov kub thiab txias los ua 2,6-diethylbenzene diazonium ntsev, uas tom qab ntawd ua ke nrog N-phenyl-1,8-naphthalimide los tsim cov xim liab dispersed nrog lub teeb ceev ceev.
Cov ntsuas kev ua tau zoo: Xim ceev qib 4-5, haum rau dyeing polyester microfiber.
Phthalocyanine pigment hloov kho
Txheej txheem innovation: Taw qhia2,6- Diethylaniline hmoovraws li kev hloov pauv peripheral rau phthalocyanine molecules los txhim kho dispersibility ntawm pigments nyob rau hauv coatings.
Daim ntawv thov khoom: Siv rau tsheb txheej txheej (xiav theem tooj liab phthalocyanine) thiab xim yas (thaum ntsuab phthalocyanine), nrog rau qhov kub thiab txias txog li 300 degree.
3. Tus nqi lag luam
Hauv kev lag luam thoob ntiaj teb, azo dyes suav txog ntau dua 60%, thiab qhov kev thov txhua xyoo rau DEA ntsig txog dyes yog kwv yees li 80000 tons. Cov neeg xa khoom tseem ceeb suav nrog BASF, Huntsman, thiab lwm yam.
Pharmaceutical teb: lub hauv paus tseem ceeb ntawm kev hloov kho cov qauv tshuaj molecular
1. Taw qhia txog kev ua haujlwm tshuaj
Cov qauv aniline ntawm DEA tuaj yeem hloov mus rau ntau yam nitrogen- muaj cov heterocycles (xws li quinoline thiab indole), thiab nws cov ethyl hloov tuaj yeem tswj cov lipophilicity ntawm cov tshuaj molecules, cuam tshuam rau kev nqus tshuaj thiab cov metabolism.
2. Synthesis piv txwv
Bromide tshuaj
Cov kev mob tshwm sim: DEA reacted nrog 40% HBr aqueous tov ntawm 0℃rau 7 hnub los tsim 2,6-diethyl-4-bromoaniline (yield 82%).
Kev Siv: Ua ib qho tshuaj tua kab mob nruab nrab, qhia txog bromine atoms los txhim kho cov kab mob tua kab mob.
Amide los tiv thaiv -cov tshuaj inflammatory
Txoj kev sib txuas: DEA thiab methyl acrylate tau dhau los ntawm Michael ntxiv, ua raws li acetylation nrog acetyl chloride los tsim N - (2,6-diethylphenyl) acetamide, uas muaj cov tshuaj tua kab mob thiab tshuaj tua kab mob.
3. Cov nqi kho mob
Ib qho tshuaj tiv thaiv kab mob uas muaj DEA tus qauv tau nkag mus rau theem II kev sim tshuaj, thiab nws cov dej tsis muaj dej tsis zoo tuaj yeem ua kom ntev li 12 teev.
Roj Hmab thiab Petrochemical Kev Lag Luam: Molecular Design of Multi functional Additives
1. Roj hmab additives
Sulfurization accelerator: DEA reacts nrog carbon disulfide los tsim N-cyclohexyl-2-benzothiazole sulfonamide (CZ), uas yog siv rau crosslinking log roj hmab thiab txhim kho hnav tsis kam.
Antioxidant intermediate: Condensed nrog phenol los tsim cov phenolic antioxidants heev, uas ncua kev laus roj hmab.
2. Epoxy resin curing tus neeg sawv cev
Cov yam ntxwv ntawm cov tshuaj tiv thaiv: DEA tau txais lub nplhaib qhib polymerization nrog epichlorohydrin los tsim cov tshuaj tua kab mob uas muaj cov qauv aniline, uas ua rau cov iav hloov pauv kub (Tg) ntawm cov resin mus rau saum 120 degree.
Cov ntaub ntawv thov: Siv rau txheej cua turbine hniav, nrog rau 40% kev txhim kho huab cua tsis kam.
3. Lubricating roj additives
Tus neeg saib xyuas siab heev: DEA derivatives yog siv hauv photoresist los txhim kho kev daws teeb meem hauv kev tsim khoom semiconductor kom qis dua 0.1 μ m.
Expanding daim ntawv thov nyob rau hauv lub teb ntawm refinement
1. Kev lag luam txuj lom
Synthesis of fragrance fixative: DEA yog condensed nrog - pentylcinnamaldehyde los tsim aniline raws li fragrances nrog oriental tsw, ncua lub sij hawm fragrance los ntawm peb zaug.
2. Cov txheej txheem tshwj xeeb
Corrosion resistant txheej: DEA koom nrog hauv kev npaj ntawm cov hloov polyaniline, thiab cov txheej tseem tsis xeb txawm tias tom qab soaking hauv 3% NaCl tov rau 1000 teev.
3. Cov khoom siv hluav taws xob
Photosensitizer: DEA derivatives yog siv hauv photoresist los txhim kho kev daws teeb meem hauv kev tsim khoom semiconductor kom qis dua 0.1 μ m.
2,6-diethylaniline (DEA), uas yog ib qho tseem ceeb ntawm cov organic synthesis nruab nrab, muaj ntau yam kev siv tshuaj tua kab, dyes, tshuaj, thiab lwm yam. Cov txheej txheem synthesis feem ntau suav nrog aniline alkylation thiab txo nitrobenzene.
Lub alkylation ntawm aniline nrog ethylene yog cov txheej txheem uas aniline thiab ethylene yog siv los ua cov ntaub ntawv raw mus rau alkylation cov tshuaj tiv thaiv nyob rau hauv qhov kev txiav txim ntawm triethylaluminum (AlEt ∝) catalyst, ua rau tsim ntawm 2,6-diethylaniline. Cov tshuaj tiv thaiv tshwj xeeb yog raws li hauv qab no:
Catalyst complex formation: AlEt ∝ thawj zaug muaj cov tshuaj tiv thaiv nyuaj nrog aniline los tsim cov catalyst complex. Cov complex no yog ib qho tseem ceeb nruab nrab ntawm cov tshuaj tiv thaiv, uas tuaj yeem qhib cov aniline molecules thiab ua rau lawv yooj yim dua rau cov tshuaj ethylene.
Cov tshuaj tiv thaiv Ethylation: Raws li qhov kev txiav txim ntawm cov catalyst complex, ethylene molecules tau muab tso rau hauv qhov chaw nyob ib sab ntawm aniline, ua rau cov tshuaj tiv thaiv alkylation thiab tsim ntawm 2,6-diethylaniline. Tib lub sijhawm, qee qhov kev cuam tshuam sab nraud tuaj yeem tshwm sim, tsim los ntawm - cov khoom xws li o-ethylaniline.
Cov txheej txheem ntws ntawm aniline alkylation feem ntau suav nrog cov kauj ruam hauv qab no:
Kev npaj ntawm catalyst complex: Aniline thiab AlEt ∝ tau ntxiv rau hauv cov hlab ntsha cov tshuaj tiv thaiv nyob rau hauv ib qho kev faib ua feem, thiab reacted ntawm ib tug tej yam kub rau ib lub sij hawm ntawm lub sij hawm los tsim ib tug catalyst complex.
Alkylation cov tshuaj tiv thaiv: Sib tov cov catalyst complex nrog aniline thiab ethylene nyob rau hauv ib qho kev faib ua feem, tso nws mus rau hauv lub synthesis kettle, thiab nqa tawm alkylation cov tshuaj tiv thaiv nyob rau hauv lub siab. Tom qab cov tshuaj tiv thaiv ua tiav, nres cua sov thiab txo qhov kub kom qis rau qee yam.
Cov khoom sib cais thiab kev ua kom zoo: Nias cov ntaub ntawv hauv cov hluav taws xob sib txuas rau hauv lub evaporation kettle kom rov qab tsis tau ethylene. Tom qab ntawd, 2,6-diethylaniline raug cais los ntawm- cov khoom xws li o-ethylaniline los ntawm kev distillation thiab lwm txoj hauv kev kom tau txais cov ntshiab 2,6-diethylaniline.
Qhov zoo:
Kev xaiv siab: Txoj kev no muaj cov tshuaj tiv thaiv siab, nrog rau cov txiaj ntsig ntawm ntau dua 85% rau 2,6-diethylaniline.
Mature txheej txheem: Aniline alkylation yog ib tug paub tab muaj synthesis txoj kev nrog cov txheej txheem ruaj khov thiab siab ntau lawm efficiency.
Tsim nyog rau loj- teev ntau lawm: Txoj kev no yooj yim rau scale thiab yog tsim rau loj-scale industrial ntau lawm.
Qhov tsis zoo:
Tus nqi catalyst siab: AlEt ∝ catalyst yog kim, uas nce nqi ntau lawm.
Tsis yooj yim rau kev siv cov khib nyiab pov tseg: Aluminium uas muaj cov khib nyiab pov tseg yog tsim los ntawm cov txheej txheem tshuaj tiv thaiv, uas yog qhov nyuaj rau kev tswj thiab tuaj yeem ua rau muaj kuab paug ib puag ncig.
Muaj qee qhov kev pheej hmoo ntawm kev nyab xeeb: vim tias cov tshuaj tiv thaiv tau ua nyob rau hauv kev kub ntxhov thiab cuam tshuam nrog cov roj hluav taws xob thiab hluav taws xob ethylene tawg, muaj qee qhov kev pheej hmoo ntawm kev nyab xeeb.
Tus nqi ntawm cov khoom siv raw: Aniline thiab ethylene yog cov khoom siv tseem ceeb rau txoj kev no, thiab lawv cov nqi raug cuam tshuam los ntawm kev lag luam thiab kev thov. Nyob rau hauv xyoo tas los no, nrog rau kev txhim kho ntawm kev lag luam petrochemical, cov khoom siv ntawm ethylene tau ruaj khov, tab sis tus nqi ntawm aniline tau hloov pauv zoo heev vim qhov kev thov qis qis.
Kev siv hluav taws xob: Txoj kev no yuav tsum muaj qee qhov ntawm chav thiab hluav taws xob thaum lub sij hawm cov txheej txheem tshuaj tiv thaiv, tab sis piv rau lwm txoj kev sib txuas, nws muaj qis zog noj.
Cov cuab yeej siv peev: Vim tias cov tshuaj tiv thaiv tau ua nyob rau hauv siab, nws yog ib qho tsim nyog yuav tsum tau ua kom muaj siab - cov hlab ntsha muaj zog thiab lwm yam khoom siv, ua rau cov cuab yeej siv tseem ceeb.
Kev ua lag luam kev sib tw: Txawm hais tias muaj qhov tsis zoo, qhov alkylation ntawm aniline tseem yog txoj hauv kev tseem ceeb rau kev tsim khoom ntawm 2,6-diethylaniline, nrog rau kev lag luam ruaj khov thiab qee cov txiaj ntsig kev lag luam.
Cov lus nug nquag
2,6-dimethylaniline yog dab tsi?
+
-
2,6-dimethylaniline yog 1thawj arylamine uas yog aniline uas cov hydrogens ntawm 2- thiab 6-txoj hauj lwm yog hloov los ntawm methyl pawg.. Nws yog siv rau hauv kev tsim cov tshuaj loog thiab lwm yam tshuaj. Nws yog cov tshuaj metabolite ntawm lidocaine (hauv zos tshuaj loog).
Dab tsi yog qhov flash point ntawm 2 6-dimethylaniline?
+
-
Flash Point:196℃F CC
Lwm lub npe rau 2 3 dimethylaniline yog dab tsi?
+
-
Synonyms:2,3-Xylidine. vic-o-Xylidine.
Lub hom phiaj tseem ceeb ntawm aniline yog dab tsi?
+
-
Kev piav qhia. Aniline yog siv rau hauv cov roj hmab accelerators thiab los tiv thaiv -oxidants, dyes thiab intermediates, cov tshuaj yees duab, raws li isocyanates rau urethane foams, nyob rau hauv tshuaj, explosives, roj av refining; Thiab nyob rau hauv zus tau tej cov diphenylamine, phenolics, herbicides thiab fungicides.
Vim li cas aniline tig xim av?
+
-
Vim muaj zog electron-pab nyiaj (+R-effect) ntawm pawg NH2, lub electron ceev ntawm lub nplhaib benzene nce. Yog li ntawd, aniline tau yooj yim oxidised ntawm kev sawv hauv huab cua ntev ntev los tsim cov xim dub xim av.
Cim npe nrov: 2,6-diethylaniline cas 579-66-8, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom