Benzyltriethylammonium Chloride, tseem hu ua triethylbenzylammonium chloride (TEBAC), yog quaternary ammonium ntsev feem ntau siv rau hauv ntau yam kev lag luam thiab kev tshawb fawb. Nws yog tus cwj pwm los ntawm nws qhov cationic xwm, featuring ib tug zoo them nitrogen atom ncig los ntawm peb ethyl pawg thiab ib tug benzyl moiety. Cov qauv tsim tshwj xeeb no qhia TEBAC nrog cov solubility zoo heev hauv dej thiab cov kuab tshuaj organic, ua rau nws muaj ntau yam reagent.
Hauv kev lag luam tshuaj lom neeg, TEBAC ua haujlwm raws li theem hloov pauv catalyst, ua kom muaj kev cuam tshuam ntawm cov tebchaw uas ib txwm tsis muaj nyob hauv ib leeg cov kuab tshuaj. Cov cuab yeej no tau pom dav siv nyob rau hauv kev sib txuas ntawm cov tshuaj, agrochemicals, thiab lwm yam tshuaj zoo, uas nws txhim kho cov tshuaj tiv thaiv thiab cov khoom lag luam tawm los.
Tsis tas li ntawd, TEBAC nthuav tawm qhov chaw muaj zog -cov khoom muaj zog, ua rau nws muaj txiaj ntsig zoo hauv cov tshuaj detergents, emulsifiers, thiab surfactants. Nws muaj peev xwm txo qis qhov nro ntawm cov dej tso cai rau kev ntub dej zoo dua, nkag mus, thiab tawg ntawm ntau yam khoom.
Hauv kev ua liaj ua teb biology, TEBAC tau ua haujlwm ua cov tshuaj tua kab mob thiab tshuaj tua kab mob vim nws cov kab mob bactericidal thiab fungicidal. Txawm li cas los xij, nws txoj kev siv hauv cov ntawv thov no raug txwv vim muaj kev txhawj xeeb txog toxicity.
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Tshuaj Formula |
C13H22ClN |
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Exact Mass |
227.14 |
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Molecular Luj |
227.78 |
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m/z |
227.14 (100.0%), 229.14 (32.0%), 228.15 (14.1%), 230.14 (4.5%) |
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Elemental Analysis |
C, 68,55; H, 9,74; 15,56; Kuv. N, 6.15 Nws |
Benzyltriethylammonium Chloride(TEBAC, CAS naj npawb 56-37-1) yog quaternary ammonium ntsev compound nrog cov mis molecular C ₁ ∝ H ₂ ClN. Nws qhov tshwj xeeb hydrophilic oleophilic amphiphilic qauv ua rau nws siv dav hauv cov organic synthesis, cov ntaub ntawv tshawb fawb, kev tswj hwm ib puag ncig, thiab kev tsim khoom lag luam.
Core muaj nuj nqi: Lub "bridging nyhuv" ntawm theem hloov catalysis
Nws lub luag haujlwm tseem ceeb nyob hauv nws lub peev xwm los ua tus Theem Hloov Hloov Catalyst (PTC). Hauv cov kua -kua lossis khoom- kua ob- cov tshuaj tiv thaiv theem, anions (xws li CN ⁻, OH ⁻) feem ntau yog nyob rau theem aqueous, thaum cov organic reactants muaj nyob rau hauv cov organic theem, uas ua rau cov tshuaj tiv thaiv qis heev. Los ntawm benzyl (lipophilic pawg) thiab triethylammonium (piv txwv li hydrophilic) hauv nws cov qauv quaternary ammonium ntsev, nws tuaj yeem "nqa" anions los ntawm aqueous theem mus rau theem organic, txhim kho cov tshuaj tiv thaiv zoo.
Cov xwm txheej:
Williamson ether synthesis: Hauv cov tshuaj tiv thaiv etherification ntawm benzyl ether thiab halogenated hydrocarbons, cov tshuaj tiv thaiv tuaj yeem nce ntau dua 10 npaug, thiab cov khoom lag luam tawm tuaj yeem ncav cuag ntau dua 95%.
Kev npaj nruab nrab ntawm cov tshuaj tua kab mob: Hauv N-alkylation cov tshuaj tiv thaiv ntawm penicillin derivatives, nws cov nyhuv catalytic txo cov tshuaj tiv thaiv kub ntawm 120℃mus rau 80 degree, txo lub sij hawm cov tshuaj tiv thaiv los ntawm 50%, thiab zam kev tsim los ntawm - cov khoom.
Kev lag luam daim ntawv thov: Tag nrho cov saw kev pab cuam los ntawm kev kuaj mus rau cov kab ntau lawm
1. Organic synthesis: "tus tseem ceeb" ntawm cov tshuaj tiv thaiv catalytic
Kev siv dav hauv cov organic synthesis, npog cov tshuaj tiv thaiv tseem ceeb xws li alkylation, nucleophilic hloov pauv, oxidation-txo, thiab condensation:
Alkylation cov tshuaj tiv thaiv: suav nrog C-alkylation (xws li alkylation ntawm cawv nrog halogenated hydrocarbons), O-alkylation (etherification), N-alkylation (alkylation ntawm amines), thiab S-alkylation (alkylation ntawm thiols). Piv txwv li, nyob rau hauv txuj lom synthesis, nws catalyzes etherification cov tshuaj tiv thaiv ntawm benzyl ether thiab bromoethane, uas ua rau cov khoom purity ntawm 99%.
Nucleophilic hloov pauv cov tshuaj tiv thaiv, xws li - CN thiab - F hloov pauv cov tshuaj tiv thaiv, txo qhov ua kom lub zog ntawm cov tshuaj tiv thaiv los ntawm kev ua kom lub xeev hloov pauv. Piv txwv li, nyob rau hauv cov synthesis ntawm fluorobenzoic acid, cov tshuaj tiv thaiv tawm los ntawm 60% mus rau 92%.
Cov tshuaj tiv thaiv Redox: Raws li cov tshuaj tiv thaiv latent, nws ua rau cov tshuaj tiv thaiv crosslinking ntawm epoxy / anhydride system ntawm 60-80 degree, haum rau qhov kub thiab txias ntawm cov khoom ntim hluav taws xob.
Cov tshuaj tiv thaiv condensation: Hauv Darzen condensation (kev npaj ntawm epoxy propane derivatives) thiab Wittig Hormar synthesis (tsim cov pa roj carbon ob daim ntawv cog lus), nws cov nyhuv catalytic ua rau cov tshuaj tiv thaiv mob hnyav dua thiab cov khoom xaiv ntau dua.
2. Cov Khoom Siv Kev Tshawb Fawb: Cov khoom siv ntxiv rau cov khoom siv ua haujlwm siab
Daim ntawv thov hauv thaj chaw ntawm cov ntaub ntawv tsom mus rau kev hloov kho kev ua haujlwm:
Polymerization: Raws li kev kho accelerator, nws tuaj yeem tswj cov kev sib txuas ntawm qhov sib txawv ntawm epoxy resin, txhim kho qhov kub thiab txias ntawm cov khoom siv. Piv txwv li, hauv cov khoom ntim khoom siv hluav taws xob, nws ua kom cov iav hloov pauv kub (Tg) ntawm cov khoom los ntawm 15℃thiab ua tiav lub zog compressive ntawm 0.2 MPa.
Ionic liquid synthesis: High temperature stable ionic liquids (>300 degree) tau npaj los ntawm reacting nrog lithium bis (trifluoromethanesulfonyl) imide (LiTFSI) siv raws li electrolytes nyob rau hauv lub zog cia khoom, ho txhim kho roj teeb cycling stability.
Thermal rwb thaiv tsev cov ntaub ntawv: raws li ib tug foaming tus neeg sawv cev nyob rau hauv polyurethane ua npuas ncauj, thermal conductivity ntawm cov khoom yog txo mus rau 0.02 W / (m · K) los ntawm kev tswj lub pore loj tis (qhov nruab nrab pore loj 50 μ m), thaum tswj lub teeb yuag yam ntxwv (qhov ceev 0.03 g / cm³).
3. Kev tswj hwm ib puag ncig: ib qho "ntsuab tshuaj" rau kev tswj cov pa phem
Daim ntawv thov hauv thaj chaw ib puag ncig yog xav txog hauv kev kho dej thiab kho av:
Kev kho dej: Raws li flocculant,benzyltriethylammonium chloride yog ib qho tshuaj benzyltrithylammonium chloridetshem tawm cov khib nyiab (xws li cov hlau hnyav ions thiab cov kuab paug organic) hauv dej los ntawm kev them nqi nruab nrab. Hauv kev kho cov luam ntawv thiab dyeing cov dej khib nyiab, COD tshem tawm tus nqi nce mus txog 85%.
Kev kho av: Raws li cov av nplaum stabilizer, nws tuaj yeem cuam tshuam cov hydration expansion ntawm shale formations. Hauv kev sim shale roj extraction ntawm Sinopec, nws txo qhov pom poob ntawm cov dej drilling los ntawm 40% thiab txhim kho qhov zoo ntawm qhov zoo.
Corrosion inhibitor: Compound nrog thiourea hauv cov kua qaub ntxuav kom inhibit hydrogen embrittlement thaum steel pickling, txo tus nqi corrosion mus rau 0.01 hli / xyoo.
4. Muaj ntau lawm: ib qho "efficiency booster" rau cov txheej txheem optimization
Optimizing txheej txheem khiav hauv kev lag luam ntau lawm kom ua tiav cov nqi txo thiab txhim kho kev ua haujlwm:
Electroplating txheej txheem: Raws li ib tug additive los txhim kho txheej zoo, lub uniformity ntawm txheej yog nce los ntawm 30% thiab lub porosity yog txo mus rau 0.5% zinc nickel alloy electroplating.
Kev lag luam ntawv: Raws li tus neeg sawv cev sizing, nws txhim kho cov dej tsis kam ntawm daim ntawv, txo nws cov dej nqus ntawm 15% mus rau 5%, thaum txhim kho nws cov ntawv luam tawm.
Kev lag luam textile: Raws li tus neeg sawv cev descaling, nws tshem tawm cov impurities saum npoo ntawm cov ntaub, ua kom cov xim dawb los ntawm 10%, thiab ua rau tes zoo li softer hauv paj rwb ntaub pretreatment.
Kev tshawb fawb Frontier: kev siv kev ua tiav hauv cov haujlwm tshiab
1. Zog sector: "Innovation catalyst" rau roj teeb technology
Raws li cov khoom siv electrolyte, nws tuaj yeem tswj cov qauv saum npoo ntawm zinc hlau tsis zoo electrode thiab inhibit dendrite kev loj hlob. Kev tshawb fawb pom tau hais tias nyob rau hauv zinc symmetric roj teeb, nws ua rau cov electrolyte ua kom ruaj khov cycling rau 9000 teev thiab lub peev xwm tuav tau ntawm 90%, muab kev txhawb nqa tseem ceeb rau kev txhim kho kev ruaj ntseg zinc raws li roj teeb.
2. Biopharmaceuticals: "Stereoselective regulators" rau enzyme catalyzed tshua
Nyob rau hauv tsis yog -aqueous enzymatic cov tshuaj tiv thaiv, los ntawm kev hloov cov enzyme microenvironment, lub enantioselectivity ntawm lipase yog txhim kho (ee tus nqi nce mus rau 99%). Piv txwv li, nyob rau hauv cov synthesis ntawm chiral tshuaj, nws ua tau ib tug kho qhov muag purity ntawm 99.5%, ua tau raws li cov qauv tshuaj qib.
3. Green chemistry: "kev tshawb fawb thiab kev loj hlob benchmark" rau cov tshuaj toxicity tsawg
Txawm hais tias benzyl triethylammonium chloride yog tshuaj lom rau cov kab mob hauv dej (EC50=5} mg/L), nws cov kev ua haujlwm catalytic tseem yog qhov ntsuas kev lag luam. Cov kev tshawb fawb tam sim no tsom rau kev tsim cov tshuaj lom neeg tsawg choline quaternary ammonium ntsev (xws li choline chloride) ua lwm txoj hauv kev, tab sis kev ruaj ntseg ntawm cov kev xaiv zoo li no hauv siab - qhov kub thiab txias tseem yuav tsum tau ua kom zoo dua.
Benzyltriethylammonium Chloride(TEBAC), nrog rau cov tshuaj formula C13H22ClN, muaj keeb kwm nplua nuj ntawm kev tshawb fawb. Thaum pib ua ke nyob rau hauv nruab nrab - xyoo pua 20th, TEBAC tau txais kev saib xyuas sai sai rau nws txoj kev siv ntau yam xws li alkylating thiab theem hloov catalyst. Nws lub peev xwm tshwj xeeb los txhim kho cov tshuaj tiv thaiv tshuaj lom neeg, tshwj xeeb tshaj yog nyob rau hauv kev sib txuas ntawm ntau yam hloov pauv cyclopropanes los ntawm Michael ntxiv, tau ua rau nws yog ib qho cuab yeej tseem ceeb hauv cov organic chemistry.
Kev tshawb fawb ntawm TEBAC tau nce zuj zus, tsom mus rau kev ua kom zoo dua qub thiab tshawb nrhiav cov ntawv thov tshiab. Cov kev tshawb fawb thaum ntxov tau tsom mus rau kev ua kom muaj txiaj ntsig zoo los ntawm kev hloov pauv hauv cov khoom sib piv, cov kuab tshuaj, thiab cov tshuaj tiv thaiv kub. Kev nce qib tsis ntev los no tau ua rau muaj kev txhim kho ntawm tus nqi- cov txheej txheem tsim khoom zoo thiab ib puag ncig zoo, ua kom TEBAC tau txais kev nkag mus tau zoo thiab kev ruaj khov.
Saib tom ntej, kev tshawb fawb ntawm TEBAC tau npaj los nthuav mus rau ntau qhov kev qhia zoo siab. Ua ntej, muaj kev txaus siab rau kev nkag siab txog nws cov txheej txheem ntawm kev ua haujlwm ntawm qib molecular, uas tuaj yeem ua rau kev tsim cov catalysts zoo dua. Qhov thib ob, TEBAC lub peev xwm los ua ib qho catalyst nyob rau hauv cov txheej txheem ntsuab chemistry, xws li cov uas siv cov khoom noj ntxiv dua tshiab lossis nyob rau hauv cov xwm txheej tsis zoo, tab tom tshawb nrhiav. Thaum kawg, kev tshawb fawb ntawm TEBAC cov tshuaj tua kab mob thiab cov khoom siv biocidal qhib txoj hauv kev rau nws daim ntawv thov hauv kev kho mob thiab tshuaj tua kab mob ib puag ncig.
Cim npe nrov: benzyltrithylammonium chloride cas 56-37-1, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom