Tetrahydrothiopheneyog ib qho organic compound nrog ib tug tshwj xeeb tsw, tshwm raws li ib tug tsis muaj xim mus rau daj ntseg daj kua nrog ib tug foul tsw. Nws yog miscible nrog feem ntau cov kuab tshuaj organic, insoluble hauv dej, thiab tuaj yeem hnov qab txog 0.01 ppm hauv huab cua. Cov ntxhiab tsw ruaj khov, nyuaj rau emit, thiab yooj yim oxidized rau sulfoxides thiab sulfones (sulfolan). Vim nws cov khoom muaj zog antioxidant, cov khoom siv tshuaj ruaj khov, thiab ntev ntev - cov ntxhiab tsw qab, nws yog dav siv los ua cov ntxhiab tsw rau roj xws li cov nkev, roj av, roj av liquefied, thiab roj liquefied gas. Nyob rau hauv cov txheej txheem ntawm kev thauj mus los thiab kev faib tawm, txhawm rau kom muaj kev nyab xeeb, cov kab ntawm tetrahydrothiophene feem ntau yog ntxiv rau cov pa roj carbon monoxide kom nws tuaj yeem tshawb pom sai sai thaum muaj cov pa tawm. Nws yog ib qho tseem ceeb ntawm cov organic synthesis intermediate feem ntau siv rau hauv cov synthesis ntawm ntau yam tshuaj, tshuaj tua kab, thiab lwm yam vim hais tias nws yog ib qho yooj yim mus hlawv nyob rau hauv cov ntaub ntawv ntawm kub kub, qhib hluav taws thiab muaj zog oxidant, siv ua npuas ncauj, carbon dioxide, qhuav hmoov thiab xuab zeb los tua hluav taws. Cov neeg tua hluav taws yuav tsum hnav lub tshuab ua pa, lub cev tua hluav taws thiab cov khaub ncaws tiv thaiv roj, thiab tua hluav taws nyob rau hauv qhov siab.
Cov ntaub ntawv ntxiv ntawm chemical compound:
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Tshuaj Formula |
C4H8S |
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Exact Mass |
88.03 |
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Molecular Luj |
88.17 |
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m/z |
88.03 (100.0%), 90.03 (4.5%), 89.04 (4.3%) |
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Elemental Analysis |
C, 54.49; H, 9.15; S, 36.36 |
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Melting point |
-96℃(lit.) |
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Boiling point |
119℃(lit.) |
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Qhov ntom |
1 g / ml ntawm 25℃(lit.) |
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Cia tej yam kev mob |
Khaws hauv qab +30℃. |
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Tetrahydrothiophene(THT) yog leej faj- muaj tsib- cov nplhaib sib koom ua ke. Nws cov khoom siv tshuaj tshwj xeeb ua rau nws ua lub luag haujlwm tseem ceeb hauv ntau yam kev lag luam. Cov nram qab no piav qhia txog nws daim ntawv thov tus nqi los ntawm tsib yam: roj odorization, organic synthesis raw cov ntaub ntawv, hnyav daim ntawv thov, tshwj xeeb teb siv, thiab kev nyab xeeb thiab kev tiv thaiv ib puag ncig.
Gas Fuel Odorization: Tus "Smell Sentinel" rau kev tiv thaiv kev nyab xeeb
Daim ntawv thov dav tshaj plaws ntawm THT yog raws li cov ntxhiab tsw rau cov pa hauv nroog, cov pa roj ntsha, cov roj av liquefied, thiab lwm yam roj av. Txij li cov pa roj carbon monoxide tsis muaj xim thiab tsis muaj ntxhiab, cov pa tawm yog qhov nyuaj rau kev kuaj xyuas. THT muab kev ceeb toom ntxov dhau los ntawm nws cov ntxhiab tsw ntxhiab tsw (zoo ib yam li cov ntxhiab tsw ntawm cov zaub lwj lossis sulfides). Thaum lub concentration ntawm cov pa tawm mus txog qhov qis kawg nkaus uas tib neeg lub cev tuaj yeem pom (txog 0.38-1.5 ppm), cov ntxhiab tsw ntawm THT tuaj yeem lees paub, tso cai rau kev ntsuas raws sijhawm kom tsis txhob tawg lossis lom txaus ntshai. Piv nrog rau cov tshuaj ethyl mercaptan ib txwm muaj, THT muaj qhov zoo xws li cov ntxhiab tsw, tsis kam adsorption, thiab muaj zog tshuaj lom neeg ruaj khov. Ntxiv mus, nws tsis decompose yooj yim nyob rau hauv siab - kub los yog high-pressure ib puag ncig, ua rau nws nyiam odorant rau niaj hnub gas kev nyab xeeb systems.
Organic Synthesis Raw Materials: "Lub hauv paus" rau kev tsim cov molecules complex
THT yog ib qho tseem ceeb nruab nrab rau kev sib txuas ntau yam sulfur- muaj cov tshuaj sib xyaw thiab siv dav hauv kev lag luam tshuaj, tshuaj tua kab, thiab tshuaj pleev xim. Piv txwv li:
Pharmaceutical teb:THT tuaj yeem raug oxidation cov tshuaj tiv thaiv los tsim sulfolane, uas yog ib qho tseem ceeb raw khoom rau synthesizing tshuaj tua kab mob, antidepressants, thiab anti- tshuaj tsis haum. Ntxiv mus, derivatives ntawm THT kuj tuaj yeem siv los npaj cov tshuaj rau kev kho mob ntev xws li kab mob plawv thiab ntshav qab zib.
Tshuaj tua kab:Raws li lub tsev tsim qauv, THT koom nrog hauv kev tsim cov tshuaj ua liaj ua teb xws li tshuaj tua kab thiab tshuaj tua kab. Piv txwv li, qee yam sulfur- muaj cov tshuaj tua kab mob ua tiav cov nroj tsuag los ntawm kev cuam tshuam nrog kev sib txuas ntawm cov tshuaj hormones cog, thiab kev qhia txog THT tuaj yeem txhim kho lawv cov kev xaiv thiab kev phooj ywg ib puag ncig.
Kev lag luam xim:Cov sulfur atom ntawm THT tuaj yeem koom tes nrog cov hlau ions los tsim cov dye molecules ruaj khov, uas yog siv rau xim textiles, tawv, thiab yas.
Daim ntawv thov Solvent: Ib qho "tshuaj lom neeg pab" nrog solubility zoo heev thiab tsis muaj tshuaj lom
Tetrahydrothiophenemuaj cov solubility zoo heev thiab tsis muaj tshuaj lom, thiab feem ntau yog siv los ua cov kuab tshuaj los yog cov tshuaj tiv thaiv hauv cov organic synthesis. Piv txwv li:
Resin thiab yas ntau lawm
THT tuaj yeem yaj siab - cov ntaub ntawv molecular xws li epoxy resins thiab polyamide, txhawb cov tshuaj tiv thaiv polymerization lossis cov txheej txheem hloov kho.
Kev lag luam hluav taws xob
Hauv kev tsim khoom semiconductor, THT yog siv los ntxuav cov impurities ntawm silicon wafers. Nws tsis tshua muaj volatility thiab tshuaj inertness yuav tiv thaiv kev puas tsuaj rau precision Cheebtsam.
Tshwj xeeb chemical synthesis
Raws li cov kuab tshuaj, THT koom nrog hauv kev npaj cov roj hmab tshwj xeeb, cov nplaum, thiab cov surfactants, txhim kho cov khoom ua tau zoo.
Daim ntawv thov tshwj xeeb: Hla- daim ntawv thov ciam teb los ntawm lub zog mus rau kev tiv thaiv ib puag ncig
Lithium{0}}Ion roj teeb:Derivatives ntawm THT tuaj yeem siv los ua cov khoom siv electrolyte los txhim kho lub voj voog ruaj khov thiab kev nyab xeeb ntawm cov roj teeb. Piv txwv li, sulfur- muaj cov electrolytes tuaj yeem cuam tshuam kev loj hlob ntawm lithium dendrites thiab ua rau lub roj teeb ntev.
Underground mine kev nyab xeeb:Hauv cov mines thee, THT yog siv los ua cov ntxhiab tsw hauv qhov hluav taws kub ceeb toom qhov system, kuaj pom cov kev hloov ntawm cov ntxhiab los nrhiav qhov chaw ntawm hluav taws thiab tiv thaiv cov pa tawg.
Environmental Protection field:Cov khoom oxidation ntawm THT (xws li sulfoxides thiab sulfones) tuaj yeem siv rau hauv kev kho dej khib nyiab, adsorbing hnyav hlau ions lossis decomposing organic pollutants.
Kev nyab xeeb thiab kev tiv thaiv ib puag ncig: Sib npaug kev siv hluav taws xob thiab kev pheej hmoo nyuaj
Txawm hais tias THT tau siv dav, nws cov nplaim taws thiab muaj peev xwm toxicity xav tau kev tswj xyuas nruj. Lub vapor ntawm THT hnyav dua li huab cua thiab nyiam nyob rau hauv qis - thaj chaw pw. Nws tuaj yeem ua rau tawg thaum raug nplaim taws lossis kub kub (flash point 12 degree, autoignition kub 200 degree). Tsis tas li ntawd, qhov ntev - raug rau qhov siab ntawm THT tuaj yeem ua rau ua pa ua pa, qhov muag puas, thiab cov tsos mob ntawm lub paj hlwb. Yog li, cov kev ntsuas hauv qab no yuav tsum tau ua hauv kev tsim khoom lag luam:
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Cia thiab thauj:Siv cov ntim ntim, kom deb ntawm qhov hluav taws kub thiab cov oxidants (xws li nitric acid), thiab khaws cia ntawm qhov kub thiab txias.
Kev Tiv Thaiv Tus Kheej:Cov neeg ua haujlwm yuav tsum hnav lub qhov ncauj qhov ntswg, cov khaub ncaws tiv thaiv thiab hnab looj tes kom tsis txhob muaj kev sib cuag ncaj qha.
Leakage tuav:Nyob rau hauv cov ntaub ntawv ntawm to, tshem tawm cov neeg ua hauj lwm tam sim ntawd, siv xuab zeb los yog inert cov ntaub ntawv los nqus nws, thiab ventilate kom tshem tawm cov residual gases.
Environmental Alternatives:Hauv qee qhov chaw, tau siv zog los tshawb nrhiav cov tshuaj tsw qab zoo ib puag ncig (xws li sulfur-cov organic tebchaw dawb) kom txo tau qhov ntev - cuam tshuam rau ib puag ncig thiab tib neeg kev noj qab haus huv.
Cov kev mob tshwm sim ntawm cov tshuaj no yog dab tsi?
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1. Kev mob tshwm sim rau tib neeg lub cev
Mob toxic cuam tshuam
Cov nyhuv tshuaj loog: Tetrahydrophene muaj cov tshuaj loog. Thaum nqus tau vapor ntau, nws yuav ua rau cov tsos mob xws li lub cev muaj zog, ataxia, thiab tshuaj loog hauv tib neeg lub cev. Hauv qhov xwm txheej hnyav, nws tuaj yeem ua rau tuag taus.
Cov tsos mob ua pa: nqus cov pa no kuj ua rau cov tsos mob xws li kiv taub hau, mob taub hau, xeev siab, qaug zog, mob hauv siab, ua tsis taus pa, thiab ua pa nyuaj. Cov tsos mob no yuav qhia tau tias muaj kev puas tsuaj rau lub ntsws.
Cov teebmeem mob toxic
Kev coj cwj pwm txawv txawv: Kev raug lub sij hawm ntev rau qhov tsis tshua muaj siab ntawm cov khoom no tuaj yeem ua rau tus cwj pwm txawv txav, xws li tsis muaj kev xav thiab nco tsis tau. Cov tsos mob no yuav muaj kev cuam tshuam tsis zoo rau lub cev ua haujlwm thiab lub neej.
Stagnation ntawm qhov hnyav nce: Kev raug mob ntev kuj tuaj yeem ua rau stagnation ntawm qhov hnyav nce, uas tej zaum yuav cuam tshuam rau nws cov kev cuam tshuam ntawm endocrine system.
Lub siab ua haujlwm hloov pauv: Kev kis mus ntev kuj tseem tuaj yeem ua rau lub siab hloov pauv, xws li qib siab transaminase. Qhov no yuav qhia tau tiastetrahydrothiophenetau ua rau qee qhov kev puas tsuaj rau lub siab.
Ntshav toxicity: Kev raug mob ntev kuj tuaj yeem ua rau cov ntshav toxicity, xws li kev hloov hauv cov ntshav muaj pes tsawg leeg. Qhov no tej zaum yuav muaj feem xyuam rau nws cov kev cuam tshuam rau lub hematopoietic system.
Irritation rau ntawm daim tawv nqaij thiab qhov muag
Cov tawv nqaij khaus: Nws muaj qhov tsis muaj zog ntawm daim tawv nqaij. Yog tias daim tawv nqaij los rau hauv kev sib cuag nrog tetrahydrothiophene, nws yuav tsum tau yaug tam sim ntawd kom huv si nrog xab npum thiab dej huv kom txo tau qhov khaus thiab kev puas tsuaj rau daim tawv nqaij.
Qhov muag khaus: Nws kuj muaj qhov ua rau khaus khaus ntawm qhov muag. Yog hais tias lub qhov muag tau ntsib nrog cov khoom, tam sim ntawd nqa daim tawv muag, yaug nrog dej ntws los yog dej ntsev, thiab nrhiav kev kho mob sai li sai tau.
2. Kev cuam tshuam ib puag ncig
Kev ua qias tuaj rau lub cev dej
Cov khoom no ua rau muaj kev phom sij rau cov dej hauv lub cev. Cov dej ntws los yog tawm tsis raug thaum tuav thiab khaws cia tuaj yeem ua rau muaj kuab paug rau lub cev dej, cuam tshuam rau kev ciaj sia thiab kev loj hlob ntawm cov kab mob hauv dej. Tsis tas li ntawd, nws qhov kev pheej hmoo siab thiab bioaccumululation kuj tseem tuaj yeem ua rau luv luv -lub sij hawm thiab ntev - lub sij hawm ua mob rau cov kab mob hauv dej.
Ua paug rau huab cua
Nws tsim cov pa phem xws li carbon monoxide, carbon dioxide, sulfur dioxide, thiab hydrogen sulfide thaum combustion. Cov pa roj no yuav ua rau qee yam ua paug rau huab cua ib puag ncig thiab cuam tshuam rau huab cua zoo. Yog li ntawd, thaum siv cov khoom no los ua ib qho tshuaj tsw qab rau roj, nws yog ib qho tsim nyog yuav tsum tswj hwm nws cov kab mob sib kis kom txo tau cov pa phem hauv huab cua.
3.Kev ceev faj thiab kev ntsuas kev nyab xeeb rau kev siv
Cia thiab tuav
Cov khoom yuav tsum tau khaws cia kom deb ntawm qhov hluav taws kub thiab cua sov, qhov ntsuas kub yuav tsum tsis pub tshaj 37 degree, thiab lub thawv yuav tsum muab kaw. Cov khoom pov thawj tawg hluav taws xob / qhov cua / cov khoom siv teeb pom kev zoo yuav tsum tau siv thaum lub sijhawm khaws cia thiab tuav, thiab tsuas yog cov cuab yeej uas tsis tsim hluav taws xob yuav tsum tau siv. Kev ntsuas yuav tsum tau coj los tiv thaiv electrostatic paug, xws li kev sib txuas hauv av / equipotential.
Kev kho cov dej ntws tawm
Yog tias muaj qhov xau tshwm sim, yuav tsum tau ntsuas tam sim ntawd los daws nws, xws li txiav tawm qhov chaw ntawm qhov xau, tshem tawm cov neeg ua haujlwm, thiab lwm yam. Thaum cuam tshuam nrog cov xau, cov cuab yeej tiv thaiv tsim nyog yuav tsum hnav, xws li hnab looj tes tiv thaiv, hnav khaub ncaws tiv thaiv, tsom iav, thiab qhov ncauj qhov ntswg. Qhov chaw xau yuav tsum muaj qhov cua zoo kom txo tau cov pa phem ntawm cov pa phem.
FAQ
1. Dab tsi yog cov kev lag luam tseem ceeb ntawm tetrahydrothiophene?
Nws yog tus qauv odorant rau natural gas thiab liquefied petroleum gas (LPG). Los ntawm kev siv nws qhov tsis tshua muaj siab (ppb qib) ntawm qhov muaj zog, tsis tu ncua thiab yooj yim txheeb xyuas cov ntxhiab tsw phem, nws muab cov lus ceeb toom ntawm kev xau rau cov xim tsis muaj xim thiab tsw ntxhiab tsw.
2. Vim li cas peb thiaj xaiv nws ua tus ntxhiab tsw?
Vim nws cov tshuaj lom neeg ruaj khov (tsis yog qhov ua rau decomposition hauv cov kav dej), tsis tshua muaj tshuaj lom, tsis tshua muaj ntxhiab tsw (kwv yees li 0.1 ppb), thiab cov yam ntxwv ntawm cov ntxhiab tsw txawv los ntawm cov cheeb tsam ib puag ncig, nws tuaj yeem ceeb toom txog kev pheej hmoo ntawm cov dej xau.
3. Nws muaj cov tshuaj lom neeg tseem ceeb dab tsi?
Raws li hom cyclic thioether, nws cov sulfur atom muaj nucleophilic thiab kev sib koom tes, thiab tuaj yeem siv los ua cov organic synthesis nruab nrab lossis ligand. Txawm li cas los xij, hauv kev lag luam, nws qhov tsis muaj zog thiab ruaj khov tsw tso tawm cov yam ntxwv muaj txiaj ntsig ntau dua.
4. Yuav ua li cas yog tias raug cov pa roj uas muaj tetrahydrothiophene?
Tam sim ntawd tso pa tawm, kaw lub qhov hluav taws xob, zam txim, thiab txav cov neeg ua haujlwm mus rau qhov chaw nyab xeeb. Cov ntxhiab tsw tsuas yog lub tswb; nws tsis yog - tshuaj lom nyob rau hauv nws tus kheej, tab sis nyob rau hauv ib tug siab - pa roj concentration ib puag ncig, muaj kev pheej hmoo ntawm asphyxiation los yog tawg. Tsis txhob sim daws qhov xau ntawm koj tus kheej.
Cim npe nrov: tetrahydrothiophene cas 110-01-0, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom