Chloro Toluene thiab Derivative

Vim Li Cas Xaiv Peb

Kev sib tw tshaj plaws

Nrog ntau tshaj 10 xyoo kev ua haujlwm, peb ib txwm muab cov nqi sib tw tshaj plaws rau cov neeg siv khoom los pab txo lawv cov nqi hauv daim ntawv thov.

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Peb cov neeg ua haujlwm paub txog kev mob siab rau teb tag nrho koj cov lus nug, kev tawm tswv yim lossis lwm yam kev xav tau hauv 24 teev. Peb zoo siab tos txais koj hu rau peb kom paub ntau ntxiv thiab tos ntsoov yuav ua haujlwm nrog koj.

Siab Zoo

Peb cov khoom tau txais ncaj qha los ntawm cov chaw tsim khoom thiab txhua tus ua tib zoo tsim nyog los xyuas kom ua raws li EHS & S, ntim, thiab cov qauv zoo. Peb cov khoom siv zog saib xyuas muab kev noj qab haus huv, kev nyab xeeb, thiab ib puag ncig cov ntaub ntawv tseem ceeb rau peb cov neeg koom tes hauv cov khoom siv.

Kev paub nplua nuj

Peb nkag siab txog yam dab tsi cuam tshuam rau kev xa khoom thiab kev xav tau, cov khoom muaj, thiab tus nqi thiab peb muab cov kev paub no nrog peb cov neeg koom tes hauv cov khoom lag luam tsis tu ncua. Peb muab cov ntaub ntawv hais txog cov khoom lag luam thiab kev txheeb xyuas kev lag luam los pab koj txiav txim siab ua lag luam zoo dua.

Chloro Toluene yog dab tsi

Chlorotoluenes yog aryl chlorides raws li toluene nyob rau hauv uas tsawg kawg yog ib qho aromatic hydrogen atom hloov nrog ib tug chlorine atom. Lawv muaj cov qauv dav dav c7h8-ncln, qhov twg n=1-5 yog tus naj npawb ntawm cov tshuaj chlorine atoms.chlorotoluene yog ib hom disubstituted benzene derivative, nrog ib qho tshuaj chlorine atom thiab ib pawg methyl hloov ntawm lub nplhaib benzene. Muaj peb hom tshuaj nyob rau hauv pawg no: O-chlorotoluene, m-chlorotoluene, thiab p-chlorotoluene.

Dab tsi yog Daim Ntawv Thov ntawm Chloro Toluene

Pharmaceutical Field
Chlorotoluene tuaj yeem siv los ua cov tshuaj nruab nrab, feem ntau yog rau kev sib txuas ntawm cov tshuaj tua kab mob thiab tshuaj tua kab mob Precursors ntawm biotics thiab lwm yam tshuaj. Rau kev lag luam kws tshuaj, purity yuav tsum tau rau chlorotoluene siab thiab yuav tsum tau ua raws li cov qauv ntawm cov tshuaj pharmacopoeia.

Dyeing teb
Chlorotoluene tuaj yeem siv los ua ke ntau hom dyes, xws li heterocyclic dyes Azo dyes, aromatic cawv dyes, thiab lwm yam. Kev xaiv cov khoom siv dye raw khoom yog ib qho tseem ceeb rau kev ua tau zoo ntawm qhov kawg dye Qhov cuam tshuam yog chlorotoluene, raws li ib qho ntawm feem ntau. siv raw cov ntaub ntawv hauv dye synthesis, muaj kev lag luam siab.

Roj hmab teb
Chlorotoluene tuaj yeem siv los ua ib qho ntawm cov khoom siv raw rau cov neeg txhawb nqa roj hmab, ntawm cov roj hmab txhawb tus neeg sawv cev yog ib qho tseem ceeb ntxiv rau hauv kev lag luam roj hmab. Chlorotoluene, raws li cov khoom siv raw rau roj hmab accelerator, muaj ib qho kev lag luam xav tau.

Yas teb
Chlorotoluene tuaj yeem siv los ua cov khoom siv hluavtaws rau qee cov yas, xws li chloroprene roj hmab Synthesis yuav tsum tau siv chlorotoluene. Kev lag luam yas muaj qhov xav tau loj heev, yog li daim ntawv thov ntawm chlorotoluene hauv daim teb yas Nws kuj muaj qee yam kev lag luam muaj peev xwm.

Chloro Toluene-Properties

Benzyl chloride yog cov organic compound nrog cov tshuaj formula C6H5CH2Cl. Hauv qab no yog qee yam khoom ntawm benzyl chloride

Qhov tsos:Benzyl chloride yog cov kua tsis muaj xim thiab pob tshab nrog cov ntxhiab tsw tsw.

Solubility:Benzyl chloride yog soluble nyob rau hauv feem ntau cov organic solvents, xws li cawv, ethers thiab ketones. Nws yog soluble tsawg dua dej.

Boiling Point thiab Melting Point:Lub boiling point ntawm benzyl chloride yog 179 degree thiab lub melting point yog -39 degree .

Chemical Properties:Benzyl chloride muaj qee yam tshuaj ua haujlwm. Nws tuaj yeem cuam tshuam nrog qee cov nucleophiles, xws li dej thiab cawv, los tsim cov cawv los yog kua qaub. Piv txwv li, benzyl chloride reacts nrog dej los tsim benzyl cawv. Nws tuaj yeem raug alkylation los ntawm cov tshuaj tiv thaiv nrog electrophiles xws li halogens los ua benzyl halides.

Toxicity:Benzyl chloride muaj qee yam tshuaj lom thiab ua rau lub qhov muag thiab tawv nqaij. Kev ntsuas kev nyab xeeb tsim nyog yuav tsum tau ua thaum siv lossis tuav benzyl chloride.

Cov khoom ntawm Chloro Toluene

Kuaj taw tes 7.20 degree @ 99.7 mole-% purity|Congealing point: 6.8 degree; lb/gal 8.85|Oxygen indexes (qis feem pua ntawm cov pa hauv cov pa oxygen-nitrogen atm yuav tsum tau ua kom muaj kev sib txuas tom qab ignition) rau cov chlorotoluene isomers yog ... para 19.1. / Nplaim retardants /|Thaum nruab nrab kub thiab pressures cov monochlorotoluenes ruaj khov rau qhov kev txiav txim ntawm chav, alkalies, amines, thiab hydrochloric thiab phosphoric acids. Cov tshuaj tiv thaiv tuaj yeem muab faib ua peb chav kawm: kev cuam tshuam ntawm lub nplhaib aromatic; cov tshuaj tiv thaiv ntawm pawg methyl; thiab cov kev cuam tshuam cuam tshuam nrog cov tshuaj chlorine hloov pauv.|Rau ntau lwm yam kev sim cov khoom (Ua tiav) cov ntaub ntawv rau 4-CHLOROTOLUENE (9 tag nrho), thov mus saib hauv HSDB cov ntaub ntawv nplooj ntawv.

Kev Tshawb Fawb Txog Kev Txhim Kho Kev Txhim Kho ntawm Chloro Toluene

Tau txais txiaj ntsig los ntawm kev loj hlob sai ntawm kev lag luam hauv qab, kuv lub teb chaws tau dhau los ua tus tsim khoom loj tshaj plaws ntawm chlorotoluene hauv ntiaj teb. Ntxiv nrog rau kev ua kom tau raws li kev lag luam hauv tsev, Tuam Tshoj cov khoom lag luam tseem raug xa tawm mus rau txawv teb chaws. Nws cia siab tias kev lag luam chlorotoluene thoob ntiaj teb yuav loj hlob ntawm qhov kev loj hlob ntawm kwv yees li 4.0% txij xyoo 2020 txog 2025, thiab kuv lub teb chaws txoj kev lag luam chlorotoluene muaj kev vam meej zoo. Feem ntau ntawm kuv lub teb chaws cov tuam txhab chlorotoluene tsim cov khoom lag luam qis. Yog li ntawd, nyob rau hauv kuv lub teb chaws p-chlorotoluene ntau lawm, tuam txhab uas muag account rau ib tug siab feem rau lawv tus kheej siv thiab ib tug kuj me me feem rau export.

Nrog rau txoj kev loj hlob ntawm chlorotoluene derivatives, qhov kev thov rau lawv tseem nce ntxiv, thiab kev loj hlob ntawm chlorotoluene ntau lawm technology kuj tau txais kev mloog ntau dua. Benzyl chloride yog ib qho tseem ceeb ntawm cov organic synthesis intermediate uas tuaj yeem siv los ua ke ntau yam khoom. Nws tuaj yeem siv tau rau hauv ntau qhov kev siv qis qis thiab txhim kho kev lag luam kev vam meej. Vim muaj ntau yam kev siv chlorotoluene thiab kev lag luam pheej hmoo nyob rau xyoo tas los no, ntau lub tuam txhab tau npaj los tsim cov tshuaj chlorotoluene, thiab cov tuam txhab qub tseem tab tom nthuav dav lawv cov khoom lag luam. Cov neeg tsim khoom yuav tsum ua haujlwm hnyav ntawm cov cuab yeej tsim khoom, txhim kho cov khoom zoo, thiab tsim cov khoom lag luam qis.

Cov txheej txheem ntawm Chloro Toluene

Sau thiab cais cov sib tov ntawm P-chlorotoluene thiab dej

Txoj kev diazotization yog ntxiv cov tshuaj hydrochloric acid thiab p-toluidine rau hauv cov tshuaj tiv thaiv kab mob, txo qhov kub hauv lub lauj kaub rau 0 degree los hloov p-toluidine rau hauv hydrochloride, do, thiab ntxiv sodium nitrite tov los ua rau diazotization. tshuaj tiv thaiv. Qhov kub thiab txias Cia nws ntawm 0 ~ 5 degree rau li 30 feeb. Tom qab cov tshuaj tiv thaiv diazotization tiav, ntxiv rau hauv cov tshuaj tov tshuaj chloride, maj mam ua kom sov mus rau chav sov, do hauv chav sov li 2.5 ~ 3h, thiab tom qab ntawd kub rau 60 degree. Cov reactant maj mam Decomposed rau hauv nitrogen thiab p-chlorotoluene, thiab ces distilled nrog chav. Sau thiab cais qhov sib xyaw ntawm p-chlorotoluene thiab dej.

Tsim cov chlorotoluene chloride kua

Cov organic txheej yog acid-ntxuav, ces ntxuav nrog dej, qhuav, thiab distilled. Cov 158-162 degree feem yog sau kom tau p-chlorotoluene, nrog rau cov txiaj ntsig ntawm kwv yees li 70%-79%. Txoj kev ncaj qha chlorination yog ntsuas cov toluene uas tau qhuav thiab qhuav nrog ntsev rau hauv toluene chlorination reactor los ntawm lub tank metering. Ib metered npaum li cas ntawm cov roj chlorine yog qhia los ntawm hauv qab ntawm lub reactor. Siv ferric chloride ua catalyst, toluene thiab chlorine hnov mob ntawm qhov kub thiab txias. Lub nplhaib benzene yog chlorinated los tsim cov tshuaj chlorotoluene chloride.

Kev sib xyaw ua ke ntawm crystallization

Cov kua chlorinated yog purged nrog nitrogen kom tshem tawm cov roj seem thiab hydrogen chloride, thiab ces crudely distilled kom tau ib tug sib tov ntawm p-chlorotoluene thiab o-chlorotoluene. Qhov sib txawv ntawm cov tshuaj tiv thaiv, cov neeg nyob sib ze sib piv yog 55:45. Para-chlorotoluene thiab o-chlorotoluene tuaj yeem sib cais los ntawm txoj kev distillation, molecular sieve adsorption txoj kev, ua ke distillation thiab crystallization txoj kev, thiab lwm yam. Cov txheej txheem ua ke ntawm distillation thiab crystallization muaj tsawg zog noj thiab siab cov ntsiab lus ntawm p-chlorotoluene thiab o-chlorotoluene. Yog tias siv cov txheej txheem ntog khov crystallization, cov ntsiab lus ntawm p-chlorotoluene tuaj yeem ncav cuag ntau dua 99%.

Kev ceev faj thaum siv chlorotoluene

Xyuas kom lub chaw ua haujlwm yog qhov cua zoo
Thaum ua haujlwm nrog parachlorotoluene, koj yuav tsum xyuas kom meej tias qhov chaw ua haujlwm muaj qhov cua zoo. Para-chlorotoluene yog volatile, thiab lub sij hawm ntev raug rau siab concentration ntawm para-chlorotoluene vapor tej zaum yuav ua rau puas tsuaj rau lub ua pa system thiab central paj hlwb. Yog li ntawd, thaum siv p-chlorotoluene, yuav tsum tau khaws cia ib puag ncig zoo-ventilated, uas tuaj yeem ua tiav los ntawm kev tig cov khoom cua los yog nruab ib lub hood hauv chav kuaj.

Khaws deb ntawm qhov chaw hluav taws kub thiab cov khoom kub kub
Tsis tas li ntawd, p-chlorotoluene yuav tsum tau khaws cia kom deb ntawm qhov chaw hluav taws kub thiab cov khoom kub kub kom tsis txhob muaj hluav taws kub los yog tawg. Para-chlorotoluene muaj qhov taw tes qis qis thiab tawg txwv, yog li yuav tsum tau ceev faj thaum khaws cia thiab siv. Parachlorotoluene yuav tsum muab cia rau hauv lub thawv kaw thiab muab tso rau hauv qhov chaw txias, qhov cua, qhov chaw qhuav, deb ntawm qhov hluav taws kub thiab qhov chaw kub.

Siv cov txheej txheem pov tseg kom tsim nyog
Thaum tuav p-chlorotoluene pov tseg, kev tuav thiab pov tseg kom raug yuav tsum tau ua raws li cov cai thiab cov cai. Tsis txhob muab pov tseg lossis tso pov tseg pov tseg p-chlorotoluene rau hauv ib puag ncig ntawm lub siab nyiam kom tsis txhob muaj kev puas tsuaj rau ib puag ncig thiab tib neeg kev noj qab haus huv. Cov txheej txheem pov tseg uas tsim nyog tuaj yeem siv tau, xws li rov ua dua lossis pov tseg los ntawm cov chaw tshwj xeeb pov tseg.

Cov neeg ua haujlwm yuav tsum muaj kev txawj ntse thiab kev txawj ntse
Tsis tas li ntawd, cov neeg ua haujlwm siv p-chlorotoluene yuav tsum muaj kev paub txog thiab kev txawj ntse thiab tau txais kev cob qhia tsim nyog. Nkag siab txog cov khoom siv lub cev thiab cov txheej txheem kev ua haujlwm nyab xeeb ntawm para-chlorotoluene, thiab paub txog cov txheej txheem kev siv kom raug thiab kev ntsuas thaum muaj xwm txheej ceev tuaj yeem txo qhov tshwm sim ntawm cov xwm txheej thiab kev phom sij.

Ua raws li cov txheej txheem ua haujlwm nyab xeeb
Kev siv chlorotoluene yuav tsum tau ua raws li cov txheej txheem kev nyab xeeb ntawm kev ua haujlwm kom ntseeg tau tus kheej kev nyab xeeb thiab kev tiv thaiv ib puag ncig. Ua ntej siv, koj yuav tsum nkag siab txog nws cov tshuaj lom thiab kev phom sij, hnav cov khoom tiv thaiv tus kheej, ua kom qhov chaw ua haujlwm tau zoo, nyob deb ntawm qhov hluav taws kub thiab cov khoom kub kub, pov tseg pov tseg kom raug, muaj kev paub txog thiab kev txawj ntse, thiab tau txais kev cob qhia.

Peb lub Hoobkas

Chemintel yog lub tuam txhab tshuaj uas tshwj xeeb hauv kev ua haujlwm ntawm cov tshuaj muaj txiaj ntsig zoo, kev txhawb nqa thiab txhawb kev pabcuam ntawm cov neeg siv khoom. nws tau cog lus los xaiv cov tshuaj sib tw tshaj plaws uas tsim los ntawm cov khoom lag luam zoo thiab ruaj khov los ntawm Tuam Tshoj los muab kev pabcuam rau cov neeg siv khoom thoob ntiaj teb. Txog tam sim no, chemintel tau tshaj tawm ntau dua 100 cov tshuaj, uas ntau tshaj 20 muaj txoj cai tshwj xeeb rau kev lag luam thoob ntiaj teb thiab kev lag luam suav. peb cov khoom muaj daim ntawv thov nyob rau hauv lub teb ntawm pharmaceuticals & zoo tshuaj, tshuaj tua kab, dyes, flavors thiab fragrances, pub additives, ntsuab fibers & lwm yam.

Txog tam sim no, Chemintchemical lub tuam txhab uas tshwj xeeb hauv kev ua haujlwm ntawm cov tshuaj zoo, kev txhawb nqa thiab txhawb kev pabcuam ntawm cov neeg siv khoom. nws tau cog lus los xaiv cov tshuaj sib tw tshaj plaws uas tsim los ntawm cov khoom lag luam zoo thiab ruaj khov los ntawm Tuam Tshoj los muab kev pabcuam rau cov neeg siv khoom thoob ntiaj teb. Txog tam sim no, chemintel tau tshaj tawm ntau dua 100 cov tshuaj, uas ntau tshaj 20 muaj txoj cai tshwj xeeb rau kev lag luam thoob ntiaj teb thiab kev lag luam suav. peb cov khoom muaj daim ntawv thov nyob rau hauv lub teb ntawm pharmaceuticals & zoo tshuaj, tshuaj tua kab, dyes, flavors thiab fragrances, pub additives, ntsuab fibers & lwm yam.

FAQ

Q: Dab tsi yog chlorotoluene siv rau?

A: O-Chlorotoluene yog cov kua xim tsis muaj xim nrog cov ntxhiab tsw muaj zog. Nws yog siv los ua cov kuab tshuaj, ua tshuaj, tshuaj, hluavtaws roj hmab thiab dyes, thiab ua tshuaj tua kab thiab kab mob. txiav txim siab tej zaum yuav muaj kev phom sij. Cov npe tshuaj vim nws raug suav los ntawm ACGIH, DOT, NIOSH thiab IRIS.

Q: Dab tsi yog kev siv chloro benzene?

A: Yav dhau los, cholorobenzene tau siv los ua phenol thiab DDT. Niaj hnub no, nws tseem siv los tsim cov tshuaj tua kab thiab tshuaj siv los tiv thaiv lossis tua kab tsis zoo. Chlorobenzene kuj tseem siv tau los roj qhov chaw tsheb. Chlorobenzene xa mus rau saum huab cua yog maj mam tawg los ntawm lwm yam tshuaj thiab hnub ci.

Q: chloro toluene npaj li cas?

A: P-Chlorotoluene tuaj yeem npaj tau raws li kev txhim kho los ntawm catalyzed cov tshuaj tiv thaiv ntawm toluene nrog cov tshuaj chlorinating yog tias siv zeolite L uas muaj cov hlau cations ua cov catalyst thiab cov tshuaj tiv thaiv yog nqa tawm nyob rau hauv lub xub ntiag ntawm methylene chloride thiab / los yog chloroform.

Q: Qhov txawv ntawm benzyl chloride thiab p-chlorotoluene yog dab tsi?

A: Teb. Benzyl chloride yog aliphatic chloride, tsis zoo li p-chlorotoluene uas yog ib qho tshuaj tsw qab. Yog li benzyl chloride yuav muab AgNO3 kuaj (daim ntawv dawb ppt.) thaum p-chlorotoluene yuav tsis muab AgNO3 kuaj.

Q: Dab tsi yog cov kua dej tsis muaj xim nrog cov ntxhiab tsw muaj zog?

A: Sulfuryl Chloride yog cov kua tsis muaj xim nrog lub zog, khaus khaus. Nws yog siv los ua lwm yam tshuaj, tshuaj, thiab tshuaj tua kab, thiab ua kuab tshuaj, catalyst thiab tshuaj tua kab mob.Toluene tej zaum yuav chlorinated nyob rau hauv ib tug inorganic chloride aqueous tov los yog ib tug hydrochloric acid aqueous tov los ntawm kev siv ib tug tsis kho carbonaceous electrode uas tsis muaj - Cyclodextrin tseem tab tom sib txuas.

Q: Vim li cas para chlorotoluene yog cov khoom loj?

A: Cov khoom siv hluav taws xob tuaj yeem tuaj yeem tawm tsam cov haujlwm no. Tab sis, vim hais tias ntawm steric hindrance ntawm txoj hauj lwm ortho, para-product feem ntau predominates tshaj cov khoom ortho.Yog li 4-chloro toluene los yog para chloro toluene predominates tshaj ortho chloro toluene.

Q: Qhov twg yog qhov ruaj khov dua ortho chlorotoluene lossis para chloro toluene?

A: P-chlorotoluene ruaj khov dua o-chlorotoluene vim yog vim li cas tsis muaj zog. Nyob rau hauv ortho txoj hauj lwm, Cl yog ib sab ntawm ib tug methyl uas ua rau steric hindrance.Thaum toluene reacts nrog chlorine nyob rau hauv lub xub ntiag ntawm ferric chloride nws muab o-chlorotoluene thiab para-toluene thiab hydrochloride raws li cov khoom. Cov khoom tseem ceeb tsim nyob rau hauv cov tshuaj tiv thaiv no yog o-chlorotoluene thiab p-chlorotoluene.

Q: Yuav ua li cas toluene ua?

A: Toluene yog tsim thaum lub sij hawm roj refining ua hauj lwm, ncaj qha raws li ib tug by-product ntawm styrene tsim thiab indirectly raws li ib tug by-product ntawm coke-qhov cub ua hauj lwm. Nws yog tsim los ntawm cov roj av raws li cov khoom sib xyaw nrog benzene thiab xylene feem ntau los ntawm kev hloov pauv catalytic thiab pyrolytic cracking.

Q: Koj yuav cais ortho thiab para chloro toluene li cas?

A: Cov txheej txheem rau kev sib cais ntawm ortho-chlorotoluene los ntawm kev sib xyaw pub muaj xws li ortho-chlorotoluene thiab para-chlorotoluene uas txheej txheem suav nrog kev sib cuag nrog cov khoom noj sib xyaw, ntawm adsorption tej yam kev mob, nrog ib qho adsorbent muaj xws li L zeolite muaj poov tshuaj cations ntawm cation txauv ib feem. hloov los ntawm ...

Q: Koj yuav npaj li cas 4 chloro toluene los ntawm benzene?

A: Teb. Kev piav qhia: Chloro benzene (C6H5--CL) ntawm cov tshuaj tiv thaiv nrog methyl chloride (CH3--Cl) nyob rau hauv muaj cov anhydrous Alcl3 muab 4 -- chloro toulene (los yog) para chloro toulene. Cov tshuaj tiv thaiv no yog hu ua Friedel crafts Alkylation.

Q: Dab tsi muaj xim tsis muaj xim pungent tsw?

A: Ammonia yog cov roj tsis muaj xim nrog cov ntxhiab tsw ntxhiab uas tuaj yeem kuaj pom nyob rau theem qis (piv txwv li, 0.05 ppm). Cov dej ntshiab yog siv tsis muaj xim, tsis muaj ntxhiab, thiab saj tsis qab. Tab sis nws tsis yog txhua yam yooj yim thiab yooj yim thiab nws yog qhov tseem ceeb rau tag nrho lub neej hauv ntiaj teb.

Q: Cov kuab tshuaj dab tsi dissolves toluene?

A: Toluene yog miscible (soluble nyob rau hauv tag nrho cov proportions) nrog ethanol, benzene, diethyl ether, acetone, chloroform, glacial acetic acid thiab carbon disulfide, tab sis immiscible nrog dej.Nitration ntawm p-chlorotoluene ua ib tug ua ke ntawm 66% {{2} }chloro-2-nitrotoluene thiab 34% 4-chloro-3-nitrotoluene. Chlorotoluene yog dab tsi? Chlorotoluene yog sib sau ua ke ntawm peb cov tshuaj isomeric sib tov.

Q: Vim li cas benzyl chloride reactive dua li chloro benzene?

A: Chlorobenzene tsis tshua muaj zog dua li benzyl chloride Hauv chlorobenzene ib leeg khub tam sim no ntawm Cl atom tau koom nrog hauv resonance nrog pi electrons ntawm benzene vim tias C-Cl daim ntawv cog lus tau txais ob daim ntawv cog lus li no reactivity txo.

Q: Cov dej puas tuaj yeem sib xyaw nrog toluene?

A: Toluene sib tov nkag tau nrog ntau cov kuab tshuaj organic, tab sis tsis zoo soluble hauv dej. Toluene tsawg dua cov dej thiab yuav ntab rau saum npoo dej.Toluene / Xylene Mixture yog cov kua dej tsis muaj zog, flammable, tsis muaj xim uas yog insoluble hauv dej. Cov khoom no muaj cov kuab tshuaj tsw qab muaj zog thiab tuaj yeem kuaj pom hauv thaj tsam ntawm 2 txog 5 ppm. Toluene / Xylene Mixture ua rau muaj hluav taws kub hnyav thiab muaj kev phom sij thaum raug kub los yog nplaim taws.

Q: Dab tsi kub ntawm toluene chlorinate?

A: Toluene vaporurs, tov nrog cov roj chlorine, thaum coj los ntawm cov pa roj carbon monoxide, khaws cia ntawm qhov kub siab, tau hloov pauv mus rau benzyl chloride. Qhov zoo tshaj plaws kub rau cov tshuaj tiv thaiv yog nyob rau hauv 250-400 degree ntau yam 4-Chlorotoluene yog siv nyob rau hauv ntau yam organic synthesis, xws li ua raws li coupling precursors rau palladium-catalyzed acylation ntawm acetanilides.

Q: Dab tsi yog chlorotoluene siv rau?

Q: Kev siv para chloro toluene yog dab tsi?

A: Siv. 2- thiab 4-chlorotoluene yog precursors rau benzyl chloride (ClC6H4CH2Cl), benzaldehyde (ClC6H4CHO), thiab benzoyl chloride (ClC6H4C (O) Cl). 2- thiab 4-chlorotoluenes hloov mus rau 2-chlorobenzonitrile thiab 4-chlorobenzonitrile, feem. Toluene (C₆H₅CH₃) yog cov kua tsis muaj xim uas muaj ntxhiab tsw qab. Kev raug toluene tuaj yeem ua rau lub qhov muag thiab qhov ntswg ua rau khaus, nkees, tsis meej pem, euphoria, kiv taub hau, mob taub hau, dilated cov menyuam kawm ntawv, kua muag, ntxhov siab vim, leeg nqaij nkees, insomnia, paj puas, o ntawm daim tawv nqaij, thiab lub siab thiab lub raum puas.

Q: Yuav ua li cas toxicity yog toluene?

A: Dab tsi cuam tshuam txog kev noj qab haus huv tam sim ntawd tuaj yeem tshwm sim los ntawm toluene raug? Ua pa toluene vapors me me tuaj yeem ua rau mob taub hau, kiv taub hau, tsaug zog, lossis xeev siab. Nrog rau qhov raug mob hnyav dua, toluene tuaj yeem ua rau pw tsaug zog, qaug zog, qaug zog, lub plawv dhia tsis zoo, qaug zog, lossis tuag taus. Kev loj hlob toxicity. Toluene raug cuam tshuam nrog kev cuam tshuam tsis zoo hauv kev tsim cov fetuses thiab muaj peev xwm ua rau muaj kev yug me nyuam. Ua pa thiab lub raum toxicity.

Q: Lub teb chaws twg tsim cov toluene?

A: Nyiv yog lub ntiaj teb ua lag luam xa tawm lub teb chaws ntawm toluene. Xyoo 2021, lub tebchaws Esxias sab hnub tuaj tau xa tawm ntau dua 508 txhiab metric tons ntawm hydrocarbon, nrog rau tus nqi ntawm 325.83 lab US dollars. Qhov thib ob yog Thaib teb, uas tau xa tawm qee qhov 240.28 lab US las ntawm toluene.p-Chlorotoluene tuaj yeem npaj tau zoo dua los ntawm cov tshuaj tiv thaiv ntawm toluene nrog cov tshuaj chlorinating yog tias zeolite L uas muaj cov hlau cations yog ua haujlwm raws li cov catalyst thiab cov tshuaj tiv thaiv. nqa tawm nyob rau hauv lub xub ntiag ntawm methylene chloride thiab / los yog chloroform.

Q: Koj yuav npaj ortho thiab para chloro toluene los ntawm toluene li cas?

A: Cov txheej txheem suav nrog cov kauj ruam hauv qab no: ntxiv cov khoom siv raw toluene thiab FeCl 3-loaded macroporous hlau silica gel catalyst mus rau hauv cov tshuaj tiv thaiv kettle; qhia cov tshuaj chlorine rau hauv cov tshuaj tiv thaiv kettle rau cov kua-theem nplhaib chlorination cov tshuaj tiv thaiv ntawm toluene thiab chlorine; Tom qab cov tshuaj tiv thaiv tiav, Toluene yog cov kua organic uas tsis muaj dej. Txhawm rau cais lawv cov sib tov, peb yuav tsum cia nws sawv ntsug li ob peb feeb. Ua kom tsawg dua dej, toluene yuav sawv saum cov dej txheej thiab tuaj yeem sib cais siv qhov sib cais los ntawm cov txheej txheem ntawm kev sib txawv extraction.

Tag nrho cov khoom ntawm chloro toluene thiab derivative ua tau raws li cov qauv zoo thoob ntiaj teb. Xav tias dawb tso kev txiav txim nrog peb cov kws tshaj lij chloro toluene thiab derivative manufacturers thiab cov muag khoom hauv Suav teb.