Shaanxi BLOOM Tech Co., Ltd. yog ib tug ntawm cov uas paub txog manufacturers thiab lwm tus neeg ntawm ethylbenzene 99% cas 100-41-4 nyob rau hauv Suav teb. Txais tos rau cov lag luam wholesale bulk zoo ethylbenzene 99% cas 100-41-4 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Ethylbenzene 99%yog ib qho aromatic hydrocarbon, CAS 100-41-4, Cov tshuaj formula yog C8H10. Cov dej tsis muaj xim pob tshab nrog cov ntxhiab tsw ntxhiab. Insoluble hauv dej, tab sis miscible nrog feem ntau cov organic solvents xws li ethanol, ether, thiab benzene. Feem ntau yog siv los tsim cov styrene, thiab tom qab ntawd tsim cov styrene homopolymers thiab copolymer (ABS, AS, thiab lwm yam) nrog styrene ua lub ntsiab lus. Ib qho me me ntawm ethylbenzene feem ntau yog siv rau cov organic synthesis los tsim styrene, uas yog siv los tsim styrene homopolymers thiab copolymer (ABS, AS, thiab lwm yam) nrog styrene ua lub ntsiab tivthaiv. Ib qho me me ntawm ethylbenzene yog siv hauv kev lag luam organic synthesis rau kev tsim cov khoom nruab nrab xws li acetophenone, ethylanthraquinone, p-nitroacetophenone, methylphenylketone, thiab lwm yam.
Siv los ua ib qho nruab nrab rau kev sib txuas ntawm erythromycin thiab chloramphenicol hauv cov tshuaj, nrog rau cov tshuaj tsw qab. Tsis tas li ntawd, nws kuj tuaj yeem siv los ua cov kuab tshuaj. Siv rau ICP-AES AAS, AFS, ICP-MS, Ion chromatography, thiab lwm yam. Cov txheej txheem kev tshuaj xyuas titration. Calibration instruments thiab khoom siv; Txoj kev ntsuam xyuas; Cov qauv ua haujlwm; Kev ruaj ntseg zoo / kev tswj xyuas zoo; lwm yam. Kev lag luam. Siv nyob rau hauv cov tshuaj raws li ib tug intermediate rau synthesizing erythromycin thiab chloramphenicol, thiab kuj raws li ib tug tshuaj tsw qab. Tsis tas li ntawd, nws kuj tuaj yeem siv los ua cov kuab tshuaj.
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Tshuaj Formula |
C8H10 |
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Exact Mass |
106 |
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Molecular Luj |
106 |
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m/z |
106 (100.0%), 107 (8.7%) |
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Elemental Analysis |
C, 90.51; H, 9.49 |
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Ethylbenzene yog ib qho tseem ceeb organic compound nrog cov tshuaj formula C ₈ H ₁₀, teej tug mus rau aromatic hydrocarbons. Nws yog xim tsis muaj xim, ua kua heev nrog cov ntxhiab tsw, insoluble hauv dej tab sis miscible nrog feem ntau cov kuab tshuaj organic xws li ethanol thiab ether. Nws tuav txoj haujlwm tseem ceeb hauv kev lag luam petrochemical thiab muaj ntau yam kev siv, uas muaj ntau yam xws li yas, roj hmab, tshuaj, txuj lom, kuab tshuaj, thiab lwm yam.
Kev lag luam yas: Ethylbenzene, lub hauv paus ntawm kev tsim cov styrene, feem ntau yog siv los ua cov khoom siv raw rau kev tsim cov styrene. Styrene yog ib qho tseem ceeb ntawm cov organic chemical raw khoom uas tuaj yeem ua polymerized los tsim ntau yam yas, xws li polystyrene (PS), acrylonitrile butadiene styrene copolymer (ABS), styrene acrylonitrile copolymer (SAN), thiab lwm yam. Cov yas no tau siv dav hauv ntau yam xws li ntim khoom, kev tsim kho, khoom siv hluav taws xob thiab khoom siv hauv tsev.
Polystyrene (PS): Polystyrene yog homopolymer ntawm styrene, tus cwj pwm los ntawm cov pob tshab, zoo rigidity, thiab yooj yim ntawm kev ua.
Nws yog feem ntau siv los tsim cov khoom siv pov tseg, cov khoom ua si, cov khoom siv niaj hnub, cov cuab yeej kho qhov muag, thiab lwm yam.
ABS resin: ABS resin yog ternary copolymer ntawm acrylonitrile, butadiene, thiab styrene, uas ua ke cov txiaj ntsig ntawm peb yam thiab muaj lub zog siab, siab tawv, ua haujlwm zoo, thiab glossiness. Nws yog dav siv nyob rau hauv teb xws li tsheb qhov chaw, hluav taws xob thiab hluav taws xob casings, pipelines, thiab lwm yam.
SAN resin: SAN resin yog copolymer ntawm styrene thiab acrylonitrile, uas muaj cov cua kub zoo heev, tshuaj tiv thaiv corrosion, thiab pob tshab. Nws yog feem ntau siv rau hauv kev tsim khoom ntawm tableware, cov cuab yeej kho mob, cov cuab yeej kho qhov muag, thiab lwm yam.
Roj Hmab Kev Lag Luam: Cov Khoom Tseem Ceeb ntawm Cov Roj Hmab Roj Hmab
Nws tseem ua lub luag haujlwm tseem ceeb hauv kev lag luam roj hmab. Los ntawm cov tshuaj tiv thaiv catalytic dehydrogenation, nws tuaj yeem hloov mus rau hauv styrene, uas yog cov khoom siv tseem ceeb rau kev tsim cov roj hmab hluavtaws xws li styrene butadiene roj hmab (SBR) thiab styrene butadiene styrene block copolymer (SBS).
Styrene butadiene roj hmab (SBR): Styrene butadiene roj hmab yog ib tug copolymer ntawm styrene thiab butadiene, nrog zoo hnav tsis kam, aging kuj thiab kev ua haujlwm. Nws yog cov khoom siv tseem ceeb rau cov khoom siv roj hmab xws li cov log tsheb, conveyor siv, thiab cov ntsaws ruaj ruaj.
SBS resin: SBS resin yog cov thermoplastic elastomer nrog elasticity zoo heev, hnav tsis kam, thiab huab cua tsis kam. Nws yog dav siv hauv cov khoom siv khau, cov nplaum, asphalt modifiers, thiab lwm yam.
Kev lag luam kws tshuaj: ib qho tseem ceeb nruab nrab ntawm cov tshuaj synthesizing
Siv los ua ib qho nruab nrab rau ntau yam tshuaj hauv kev lag luam kws tshuaj, nws ua lub luag haujlwm tseem ceeb hauv kev ua kom tib neeg noj qab haus huv. Piv txwv li, nws tuaj yeem siv los tsim cov tshuaj xws li streptomycin thiab chloramphenicol.
Oxytetracycline: Oxytetracycline yog ib qho dav -spectrum tshuaj tua kab mob uas muaj inhibitory cuam tshuam rau ntau yam kab mob. Nws yog feem ntau siv los kho cov kab mob ua pa, kab mob hauv lub cev, thiab lwm yam kab mob.
Chloramphenicol: Chloramphenicol yog ib qho txiaj ntsig dav dav -spectrum tshuaj tua kab mob uas muaj zog inhibitory cuam tshuam rau cov kab mob Gram zoo thiab Gram tsis zoo. Nws yog feem ntau siv los kho cov kab mob xws li typhoid fever, paratyphoid fever, meningitis, thiab lwm yam.
Kev Lag Luam Spice: Raw Khoom rau Synthetic Spices
Nws kuj muaj qee yam kev siv hauv kev lag luam txuj lom. Nws tuaj yeem siv los ua cov khoom siv raw rau kev sib xyaw ntawm qee cov tshuaj tsw qab los tsim cov tshuaj tsw qab tshwj xeeb los ntawm cov tshuaj tiv thaiv tshuaj, thiab tuaj yeem siv los npaj cov tshuaj tsw qab, tshuaj pleev ib ce, detergents thiab lwm yam khoom. Piv txwv li, acetophenone tuaj yeem tsim los ntawm cov tshuaj tiv thaiv oxidation, uas yog cov khoom sib xyaw nrog cov ntxhiab tsw qab thiab paj, feem ntau siv los ua cov tshuaj tsw qab rau cov txuj lom.
Solvent field: ntau yam kuab tshuaj zoo heev rau cov organic synthesis
Muaj cov solubility zoo thiab muaj peev xwm yaj ntau yam organic tebchaw xws li chlorinated roj hmab, roj hmab ntuj, butyl roj hmab, chloroprene roj hmab, nitrile roj hmab, ethyl cellulose, epoxy resin, thiab lwm yam. Yog li ntawd, nws yog dav siv los ua ib qho hnyav thiab ua lub luag haujlwm tseem ceeb hauv ntau yam kev lag luam.
Xim thiab coatings: Raws li cov kuab tshuaj, lawv tuaj yeem txhim kho cov dej ntws thiab kev ua kom qhuav ntawm cov xim thiab cov txheej txheem, txhim kho qhov adhesion thiab glossiness ntawm txheej. Hauv kev lag luam xws li tsheb, kev tsim kho, thiab rooj tog, nws yog ib qho tseem ceeb ntawm cov khoom hnyav.
Ink: Hauv ink manufacturing, raws li cov kuab tshuaj, nws tuaj yeem kho cov viscosity thiab ziab ceev ntawm number case los txhim kho kev luam ntawv zoo. Txawm hais tias nws yog ntawv xov xwm, ntawv xov xwm, lossis cov khoom ntim, lawv txhua tus ua lub luag haujlwm tseem ceeb.
Adhesive: Raws li cov kuab tshuaj rau cov nplaum, nws tuaj yeem txhim kho qhov fluidity thiab permeability ntawm cov nplaum, thiab txhim kho lub zog sib txuas. Nws yog ib qho ntawm cov kuab tshuaj feem ntau siv hauv kev lag luam xws li kev ua ntoo, ntim khoom, thiab khau.
Lwm yam kev siv: Nws kuj tseem siv tau los tsim cov tshuaj ntxuav qhuav, cov xim pleev xim, cov tshuaj ntxuav hlau, thiab lwm yam. Tsis tas li ntawd, nws kuj tseem siv tau los ua cov khoom siv roj ntxiv los ua kom cov octane ntsuam xyuas ntawm cov roj av.
Kev lag luam organic synthesis: raw cov ntaub ntawv los tsim ntau yam intermediates
Nws kuj yog siv dav hauv kev lag luam organic synthesis. Nws tuaj yeem siv los ua cov khoom siv raw rau kev tsim ntau yam intermediates thiab synthesizing ntau cov organic tebchaw. Piv txwv li:
Acetophenone: Acetophenone tuaj yeem tsim los ntawm oxidation cov tshuaj tiv thaiv, uas yog ib qho tseem ceeb organic hluavtaws raw khoom siv nyob rau hauv zus tau tej cov tshuaj tsw qab, dyes, tshuaj intermediates, thiab lwm yam.
Ethylanthraquinone: Ethylanthraquinone tuaj yeem tsim los ntawm reacting nrog anthraquinone, uas yog ib qho tseem ceeb photosensitizer uas yuav siv tau nyob rau hauv photochemical thiab photocatalytic tshua.
P-nitroacetophenone: Los ntawm cov tshuaj tiv thaiv nitration, p-nitroacetophenone tuaj yeem tsim tawm, uas yog ib qho tseem ceeb ntawm cov tshuaj nruab nrab uas tuaj yeem siv los tsim ntau yam tshuaj.
Methyl phenyl ketone: Reacting nrog formaldehyde tuaj yeem tsim methyl phenyl ketone, uas yog ib qho tseem ceeb ntawm cov organic hluavtaws raw khoom thiab tuaj yeem siv los ua ib qho ntxiv hauv kev tsim cov yas, roj hmab thiab lwm yam khoom.
Lwm qhov chaw: Tshawb nrhiav cov ntawv thov tshiab
Nrog rau kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis, daim ntawv thov teb tau nthuav dav tas li. Piv txwv li:
Hauv kev ua haujlwm ntawm lub zog tshiab, nws tuaj yeem siv los ua roj lossis ntxiv rau cov roj hlwb los txhim kho lawv cov kev ua tau zoo thiab kev ua haujlwm zoo.
Hauv kev tiv thaiv ib puag ncig, nws tuaj yeem siv los kho cov teeb meem organic hauv cov dej khib nyiab, hloov cov organic teeb meem rau hauv cov khoom tsis zoo los ntawm cov tshuaj tiv thaiv, thiab txo cov pa phem rau ib puag ncig.
Hauv thaj chaw ntawm cov ntaub ntawv tshiab, ethylbenzene tuaj yeem siv los ua cov khoom siv raw rau kev sib txuas ntawm qee cov ntaub ntawv tshiab, xws li siab -cov ntaub ntawv polymers, nanomaterials, thiab lwm yam., muab kev txhawb zog rau kev tsim cov ntaub ntawv tshiab.
1. Txoj kev ua kua theem alkylation feem ntau yog siv txhuas trichloride ua catalyst ua ethylene react nrog benzene los tsim ethylbenzene nyob rau hauv ib txwm siab thiab 85-90 degree. Cov tshuaj tiv thaiv sab yog tias ethylbenzene ntxiv alkylated los ntawm ethylene los tsim polyethylbenzene. Hauv kev lag luam, kev hloov pauv ntawm benzene yog txwv rau 52-55%, thiab siab benzene ethylene molar ratio (feem ntau yog 2) yog siv los tiv thaiv kev tsim ntau ntawm diethylbenzene thiab diethylbenzene. Qhov nruab nrab tawm los ntawm ethylbenzene yog 94-96%.
2. Cov pa roj theem alkylation yog thawj zaug siv los tsim ethylbenzene los ntawm ethylene thiab tshaj benzene los ntawm roj theem alkylation cov tshuaj tiv thaiv ntawm 300℃thiab 4-6 MPa nrog phosphoric acid diatomite thiab silica gel catalyst. Cov catalyst siv tsis tuaj yeem cuam tshuam cov ethylbenzene, yog li ethylbenzene tsis tuaj yeem kho. Txawm hais tias kev tsim cov polyethylbenzene raug txo los ntawm kev nce qhov feem ntawm benzene, tus nqi distillation ntawm circulating benzene yog nce.
3. Aromatics tau los ntawm kev hloov kho catalytic ntawm C8 aromatics rau ethylbenzene. Tom qab kev sib cais thiab tshem tawm ntawm benzene thiab toluene, cov ntsiab lus kub ntawm txhua feem ntawm cov sib xyaw xylene feem yog ze heev. Kev sib cais ntawm ethylbenzene los ntawm distillation yuav tsum muaj 300-400 tais nrog reflux piv ntawm 75. Tsis tas li ntawd, ethylbenzene kuj tuaj yeem sib cais los ntawm adsorption thiab chromatography. Txij li thaum kev sib cais ntawm ethylbenzene los ntawm C8 aromatics tsis tuaj yeem sib tw nrog benzene alkylation ethylbenzene kev lag luam, thiab cov tiam tshiab ntawm noble hlau isomerization catalyst tuaj yeem hloov ethylbenzene rau xylene, qhov tseem ceeb ntawm kev sib cais ethylbenzene tau txo qis heev.
Nws tuaj yeem yaj chlorinated roj hmab, roj hmab ntuj, butyl roj hmab, neoprene, nitrile roj hmab, ethyl cellulose, epoxy resin, DDT, roj, roj paraffin, wax, thiab lwm yam Cellulose acetate, cellulose acetate butyrate, cellulose nitrate, cellulose triacetate, polyvinyl vinyl chloride, polyvinyl chloride thiab lwm yam. insoluble. Tsis corrosive rau hlau. Nws yog qhov ruaj khov rau acid thiab alkali. Oxidation generates acetophenone, thiab dehydrogenation generates styrene. Nitrification - Nitro pawg- Phenylethane. Cov tshuaj chlorination ua rau 1-chloro-1-phenylethane. Nyob rau hauv catalysis ntawm platinum, silica alumina, isomerization tshwm sim los tsim xylene.
ruaj khov.
Txwv tsis pub muaj zog oxidants, acids, halogens, thiab lwm yam.
Polymerization txaus ntshai Tsis muaj polymerization.
Ethylbenzene activates lub nplhaib benzene vim tias muaj ethyl txuas rau lub nplhaib benzene, uas yog cov tshuaj lom neeg ntau dua li benzene. Ethylbenzene tuaj yeem ua nitrated lossis sulfonated. Ethylbenzene reacts nrog poov tshuaj permanganate los tsim benzoic acid. Nyob rau hauv catalysis ntawm platinum, silica alumina, isomerization tshwm sim los tsim xylene.
Txoj kev tsim cov ethylbenzene feem ntau suav nrog catalytic synthesis thiab dawb radical saw cov tshuaj tiv thaiv. Ntawm lawv, catalytic synthesis yog txoj kev siv ntau tshaj plaws hauv kev lag luam.
(1) Catalytic Synthesis Method
Txoj Cai:
Nyob rau hauv qhov kev txiav txim ntawm ib tug catalyst, benzene thiab ethylene raug ib qho ntxiv cov tshuaj tiv thaiv los tsim ethylbenzene.
Txheej txheem:
Sib tov benzene thiab ethylene nyob rau hauv ib qho kev faib ua feem, ntxiv cov catalysts (xws li txhuas trichloride, boron trifluoride, thiab lwm yam), thiab ua raws li qhov kub thiab txias. Tom qab cov tshuaj tiv thaiv tiav, cov khoom ethylbenzene tau txais los ntawm kev sib cais thiab kev ua kom huv.
Qhov zoo:
Txoj kev catalytic synthesis muaj qhov zoo ntawm cov tshuaj tiv thaiv me me, cov khoom lag luam siab purity, thiab siab yield. Tsis tas li ntawd, txoj kev no tuaj yeem ua tiav kev tsim khoom tas mus li thiab txhim kho kev tsim khoom.
(2) Free Radical Chain Reaction Method
Txoj Cai:
Nyob rau hauv qhov kev txiav txim ntawm tus neeg pib, benzene thiab ethylene tau txais ib qho dawb radical saw cov tshuaj tiv thaiv los tsim ethylbenzene.
Txheej txheem:
Sib tov benzene thiab ethylene nyob rau hauv ib qho kev faib ua feem, ntxiv cov neeg pib (xws li benzoyl peroxide, azobisobutyronitrile, thiab lwm yam), thiab hnov mob ntawm qhov tsim nyog kub thiab siab. Tom qab cov tshuaj tiv thaiv tiav, cov khoom ethylbenzene tau txais los ntawm kev sib cais thiab kev ua kom huv.
Qhov zoo:
Txoj kev pub dawb radical saw cov tshuaj tiv thaiv muaj qhov zoo ntawm cov tshuaj tiv thaiv ceev ceev thiab ua haujlwm yooj yim. Txawm li cas los xij, cov khoom purity thiab tawm los ntawm txoj kev no yog qhov tsawg, thiab nws yuav tsum muaj ntau ntawm cov neeg pib noj, yog li nws cov ntawv thov kev lag luam raug txwv.
FAQ
ethylbenzene siv rau dab tsi?
Ethylbenzene yog siv feem ntau hauv kev tsim cov styrene thiab hluavtaws polymers. Nws yog siv los ua kuab tshuaj; ib qho tseem ceeb ntawm asphalt thiab naphtha; thiab nyob rau hauv hluavtaws roj hmab, roj, xim, inks, ntaub pua plag nplaum, varnishes, luam yeeb, thiab tshuaj tua kab. Nws yog ib feem ntawm automotive thiab aviation fuels.
Puas yog ethylbenzene tsim kev puas tsuaj rau tib neeg?
Lub Koom Haum Thoob Ntiaj Teb rau Kev Tshawb Fawb Txog Kev Kho Mob (IARC) tau txiav txim siab tias ethylbenzene yog ib qho ua tau rau tib neeg carcinogen.
Lub npe ntawm ethylbenzene yog dab tsi?
Lub npe tshuaj: Ethylbenzene Synonyms: Phenylethane, EB, Ethylbenzol txheeb ze molecular mass: 106.16 CAS npe npe: 100-41-4 RTECS tus lej sau npe: DA 07000000 EEC tus lej: 601-023-00-4 2.2 Lub cev thiab tshuaj lom neeg muaj peev xwm muab cov khoom siv tshuaj lom neeg 1.
Puas yog ethylbenzene tib yam li benzene?
Ethylbenzene [ěth'el'běn'zēn'] yog cov kua ntshiab, nplaim taws nrog cov ntxhiab tsw zoo ib yam li roj av. Ethylbenzene yog ua lag luam los ntawm benzene thiab ethylene nyob rau hauv cov nroj tsuag muaj, thiab ib tug me me npaum li cas yog cais los ntawm purifying roj av los ntawm - cov khoom kwj.
Cim npe nrov: ethylbenzene 99% cas 100-41-4, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom