Methylisothiazolinone cov khoom, cov ntsiab lus tseem ceeb methylisothiazolinone (MIT), yog cov organic compound nrog cov tshuaj formula c4h5nos. Nws yog ib tug dawb mus rau daj hmoov nrog ib tug tej yam tsw. Nws yog ib qho tshuaj tua kab mob zoo heev. Nws muaj cov txiaj ntsig zoo ntawm inhibiting kev loj hlob ntawm cov kab mob thiab tuaj yeem cuam tshuam kev loj hlob ntawm cov kab mob, fungi, pwm thiab pwm. Nws feem ntau yog siv los ua cov tshuaj tua kab mob hauv cov kua da dej, tshuaj zawv plaub hau thiab tshuaj ntxuav tes. Hauv kev lag luam, nws tuaj yeem siv rau hauv dej txias, dej ntws, papermaking, xim thiab txheej. Nws kuj yog ib qho tshuaj tiv thaiv kab mob zoo heev nrog rau dav -spectrum antibacterial peev xwm. Nws yog siv rau kev ua kom tsis muaj menyuam thiab tiv thaiv{10}}corrosion ntawm daim ntawv txheej, oilfield dej txhaj tshuaj, kev lag luam tshuaj niaj hnub, thiab lwm yam. Nws muaj ntau yam kev siv hauv cov tshuaj niaj hnub, cov khoom tu tus kheej, kev lag luam, khoom vaj khoom tsev, kev kho mob, thiab tshuaj. Nws yog tsuas yog siv los ua cov tshuaj tua kab mob thiab fungicide los tswj kev nyab xeeb thiab ruaj khov ntawm cov khoom, thiab tiv thaiv kev loj hlob thiab kev ua qias tuaj ntawm cov kab mob. Txawm li cas los xij, thaum siv methyl isothiazolinone, nws yog ib qho tsim nyog yuav tsum tau ua tib zoo saib xyuas nws cov kev xav tau thiab kev txwv kev siv kom muaj kev nyab xeeb thiab ua raws li cov cai thiab cov qauv.
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Tshuaj Formula |
C4H5 NOS |
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Exact Mass |
115 |
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Molecular Luj |
115 |
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m/z |
115 (100.0%), 117 (4.5%), 116 (4.3%) |
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Elemental Analysis |
C, 41.72; H, 4.38; N, 12.16; O, 13.89; S, 27.84 |
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Melting point 254-256 ° C (lit.), Boiling point bp 0.03 93 degree, ntom 1.25 (14% aq.), Vapor siab<0.1 mm Hg (25 ° C), Storage condition 2-8 ° C, Acidity coefficient (PKA) -2.03 ± 0.20 (predicted), Morphological neat, BRN 606203, InChIKeyBEGLCMHJXHIJLR-UHFFFAOYSA-N, Hazard symbol (GHS), GHS05,GHS06,GHS09, Warning word danger, Hazard description h302-h314-h317-h331-h335-h400, Precautions p261-p273-p280-p305+p351+p338-p310, Dangerous goods signs n, C, t, Hazard category code 50/53-50-43-34-20/21/22-37-23-22, Safety instructions 60-61-36/37/39-26-24-45, Dangerous goods transport No. UN 3077 9/pg 3, WGK Germany 2, RTECS No. fe1250000, HazardClass 8, PackingGroup III
Methylisothiazolinone cov khoom(MIT) yog siv dav siv tshuaj tua kab mob, uas tuaj yeem tua cov kab mob algae, kab mob thiab fungi. Cov koob tshuaj zoo yog me me, tsis yog - lom thiab muaj kuab paug - dawb. Nws yog dav siv. Nws yog ib qho yooj yim heev rau sib tov nyob rau hauv ntau yam qauv. Cov pH yog dav siv. Tom qab diluting lub concentration, nws yog ib qho yooj yim uas yuav biodegradable rau hauv uas tsis yog - tshuaj lom thiab muaj kuab paug - cov tshuaj dawb. Tsawg toxicity, tsis muaj residue, zoo compatibility nrog ntau yam emulsifiers, surfactants thiab protein Cheebtsam. MIT tuaj yeem tua tau ntau yam kab mob ntawm qhov tsis tshua muaj siab, tshwj xeeb tshaj yog tsim nyog rau kev khaws cov tshuaj pleev ib ce thiab cov khoom tu tus kheej. Siv tau pH ntau yam ph2.0-12.0, miscible nrog dej, tuaj yeem ntxiv rau hauv txhua txoj kev, yooj yim rau kev khiav lag luam.
Methylisothiazolinone (MIT) yog ib qho kev siv tshuaj tua kab mob thiab tshuaj tua kab mob uas siv dav.
1. Cov khoom siv tshuaj lom neeg thiab kev tu tus kheej txhua hnub:
-Kev tu tawv nqaij thiab tshuaj pleev ib ce: Methylisothiazolinone feem ntau yog siv los ua cov tshuaj khaws cia hauv kev tu tawv nqaij thiab tshuaj pleev ib ce los tiv thaiv cov kab mob microbial thiab kev loj hlob ntawm cov kab mob. Nws yog dav siv nyob rau hauv lub ntsej muag cream, lub ntsej muag cleanser, tshuaj zawv plaub hau, da dej gel, tshuaj pleev ib ce, ntsia thawv polish thiab lwm yam khoom.
-Cov khoom noj rau niam thiab menyuam: Methylisothiazolidone tau ntxiv rau cov khoom xws li cov ntaub so menyuam mos, tshuaj zawv plaub hau, thiab menyuam mos da dej gel los tiv thaiv kab mob loj hlob thiab kis kab mob.
-Cov khoom siv tu cev hauv qhov ncauj: methyl isothiazolinone feem ntau yog siv los ua cov tshuaj tua kab mob thiab tshuaj tua kab mob hauv cov tshuaj txhuam hniav, tshuaj ntxuav qhov ncauj, tshuaj tsuag qhov ncauj thiab lwm yam khoom siv tu lub qhov ncauj los pab ua kom lub qhov ncauj huv si thiab tiv thaiv kab mob los ntawm kev yug me nyuam.
-Ntaus thiab cov ntsiab lus: methyl isothiazolinone tuaj yeem siv tau rau hauv cov tshuaj tsw qab, cov tshuaj tsw qab thiab cov khoom tseem ceeb los tiv thaiv kev loj hlob ntawm cov kab mob thiab txhim kho lub txee lub neej ntawm cov khoom.
2. Cov khoom lag luam thiab tsev:
-Cov coatings thiab coatings: Methylisothiazolinone yog dav siv los ua ib tug fungicide nyob rau hauv dej-raws li coatings thiab coatings, zoo inhibiting microbial paug thiab spoilage tom qab canning.
-Cov tshuaj tiv thaiv ntoo: Vim lawv cov kab mob bactericidal zoo heev, methyl isothiazolinone yog siv los ua cov khoom siv ntoo los tiv thaiv ntoo los ntawm cov kab mob, pwm, thiab lwj.
-Textiles: Methylisothiazolinone tuaj yeem siv los ua cov kab mob fungicide thiab khaws cia hauv kev ua textile los tswj kev huv ntawm textiles thiab tiv thaiv kev loj hlob ntawm microbial.
- Cov tshuaj ntxuav tes thiab tshuaj ntxuav tes: Methylisothiazolinone tuaj yeem muab ntxiv rau cov khoom siv ntxuav thiab cov tshuaj ntxuav tes kom muaj kev tiv thaiv -corrosion thiab cov kab mob bactericidal, tswj cov khoom ruaj khov thiab kev tu cev.
3. Muaj kua:
-Cov kua txias txias: Kev siv cov methyl isothiazolinone hauv lub tshuab ua kom txias tuaj yeem tiv thaiv kev loj hlob ntawm cov kab mob, algae, thiab fungi, tiv thaiv kom tsis txhob muaj dej txias, thiab txo cov kev ua haujlwm ntawm lub cev.
-Lubricant: Methylisothiazolinone tuaj yeem muab ntxiv rau cov roj nplua nyeem los tiv thaiv kev loj hlob ntawm microbial thiab degradation, yog li txuas ntxiv lub neej kev pabcuam thiab kev ua haujlwm ntawm lubricants.
- Cov kua dej ua haujlwm hlau: Thaum lub sijhawm ua haujlwm hlau, methyl isothiazolinone tuaj yeem muab ntxiv ua cov tshuaj tua kab mob thiab khaws cia rau cov dej ua haujlwm hlau los tiv thaiv cov kab mob microbial thiab hlau corrosion.
-Paints thiab inks:Methylisothiazolinone cov khoomtuaj yeem siv los ua cov tshuaj tua kab mob hauv cov xim thiab inks, txhim kho cov khoom ruaj khov thiab tiv thaiv kev loj hlob ntawm microbial.
4. Kev kho mob thiab kws kho mob:
-Kev siv tshuaj tua kab mob: Methylisothiazolinone tuaj yeem siv los ua tshuaj tua kab mob rau cov khoom siv kho mob, pab tua kab mob thiab kab mob, ua kom muaj kev nyiam huv thiab kev nyab xeeb ntawm cov cuab yeej kho mob.
-Kev kho mob mis: Vim nws cov khoom siv tshuaj tua kab mob, methylisothiazolinone tuaj yeem siv rau qee cov tshuaj formulations kom ntev lub txee lub neej ntawm cov khoom thiab tiv thaiv cov kab mob microbial.
Daim ntawv thov khoom: tus neeg sawv cev ib leeg tuaj yeem siv dav hauv kev lag luam xws li kev lag luam dej txias, dej ntws, roj tank rov qab dej, ntawv kev lag luam, kav dej, txheej, pleev xim, roj hmab, tshuaj pleev ib ce, yees duab zaj duab xis thiab cov khoom siv ntxhua khaub ncaws, tshwj xeeb tshaj yog rau kev khaws cov tshuaj pleev ib ce thiab cov khoom tu tus kheej. Nws kuj yog siv los ua cov tshuaj tua kab mob hauv cov kua da dej, tshuaj zawv plaub hau thiab tshuaj ntxuav tes.
Methylisothiazolinone (MIT) tuaj yeem tau txais los ntawm ntau txoj hauv kev kuaj kev sib txuas.
1. Isothiocyanate txoj kev:
-Cov kauj ruam daws teeb meem:
1.1. Noj Isopropanol ua cov kuab tshuaj thiab ua kom sov rau lub xeev reflux.
1.2. Maj mam ntxiv Methyl isothiocyanate rau isopropanol thiab kho tus nqi pH los ntawm kev ntxiv dilute hydrochloric acid (HCl) dropwise.
1.3. Tom qab 12 mus rau 24 teev ntawm cov tshuaj tiv thaiv, txias cov tshuaj tiv thaiv sib tov thiab cov khoom precipitated yog methylisothiazolinone (MIT).
-Reaction equation:
C3H8O+C2H3NWS → C4H5NOS
2. Pyrrolidone txoj kev:
-Cov kauj ruam daws teeb meem:
2.1. Noj cyclohexanone ua cov kuab tshuaj thiab ua kom sov rau lub xeev reflux.
2.2. Maj mam ntxiv methyl isothiocyanate rau cyclohexanone thiab ntxiv sodium hydroxide (NaOH) tov rau neutralize cov generated hydrochloric acid.
2.3. Tom qab 12 mus rau 24 teev ntawm cov tshuaj tiv thaiv, txias cov tshuaj tiv thaiv sib tov thiab cov khoom tuaj yeem tau los ntawm crystallization.
-Reaction equation:
C6H10O+C2H3NWS → C4H5NOS
3. Direct tshuaj tiv thaiv txoj kev ntawm isothiocyanate nrog ketones:
-Cov kauj ruam daws teeb meem:
3.1. Ntxiv methyl isothiocyanate thiab ketone tebchaw rau primer txheej.
3.2. Ua raws li qhov tsim nyog, xws li kub thiab siab, teeb pom kev zoo, lossis ntxiv cov catalysts.
3.3. Tom qab cov tshuaj tiv thaiv,Methylisothiazolinone cov khoomyog tau los ntawm kev tsim nyog extraction thiab purification cov kauj ruam.
-Reaction equation:
Ketone compounds + C2H3NWS → C4H5NOS
Nws yuav tsum raug sau tseg tias qhov kev siv tau thiab cov kauj ruam tshwj xeeb ntawm cov txheej txheem kev sib txuas hauv chav kuaj yuav sib txawv nyob ntawm seb cov hom phiaj kev tshawb fawb, cov substrates, thiab cov tshuaj tiv thaiv. Yog li ntawd, thaum ua lub chaw soj nstuam synthesis, nws yog ib qho tsim nyog yuav tau ua tib zoo xaiv txoj kev tsim synthesis, thiab ua kom zoo thiab siv tau cov tshuaj tiv thaiv thiab cov txheej txheem purification kom ntseeg tau tias cov khoom muaj txiaj ntsig zoo thiab purity tau txais. Tsis tas li ntawd, rau qhov laj thawj kev nyab xeeb, txhua qhov kev sim yuav tsum tau ua raws li cov cai tswj kev nyab xeeb thiab cov lus qhia ua haujlwm hauv chav kuaj.
Cov kev mob tshwm sim ntawm cov tshuaj no yog dab tsi?
Cov tawv nqaij ua xua
Cov tshuaj no tuaj yeem ua rau tawv nqaij tsis haum, uas yog ib qho ntawm nws cov kev mob tshwm sim feem ntau. Cov tsos mob tshwj xeeb muaj xws li khaus, liab, tingling, thiab flaking ntawm daim tawv nqaij. Rau cov neeg uas muaj cov tawv nqaij rhiab heev, qhov kev tsis haum tshuaj no yuav hnyav dua thiab tuaj yeem ua rau tawv nqaij o lossis eczema.
Ua pa ua pa
Cov tshuaj no muaj qee qhov kev hloov pauv tsis zoo thiab tuaj yeem ua rau muaj kev cuam tshuam rau txoj kev ua pa. Lub sij hawm ntev raug los yog siv ntau ntawm cov khoom uas muaj methyl isothiazolinone tuaj yeem ua rau ua pa tsis xis nyob, xws li hnoos, hnoos qeev, thiab ua tsis taus pa. Hauv qhov xwm txheej hnyav, ua tsis taus pa tuaj yeem tshwm sim, xav tau kev kho mob tam sim.
Tiv tauj dermatitis
Cov tshuaj no kuj tseem tuaj yeem ua rau kev sib cuag dermatitis, uas yog cov lus teb inflammatory tshwm sim los ntawm kev sib cuag ntawm daim tawv nqaij nrog qee yam tshuaj. Cov tsos mob ntawm tus kab mob hu ua dermatitis muaj xws li erythema, papules, hlwv, thiab lwm yam. Thaum mob hnyav, daim tawv nqaij ulcers los yog necrosis yuav tshwm sim.
Pigmentation
Kev siv lub sij hawm ntev ntawm cov khoom uas muaj cov khoom sib xyaw no tuaj yeem ua rau cov tawv nqaij pigmentation, ua rau cov xim ntawm cov tawv nqaij darkening los yog cov tsos ntawm pigmentation me ntsis. Qhov no tej zaum yuav yog vim lub stimulating nyhuv ntawm methyl isothiazolinone rau ntawm daim tawv nqaij hlwb.
Lub siab ua haujlwm raug mob
Txawm hais tias tsis tshua muaj, qhov sib xyaw no tuaj yeem ua rau lub siab ua haujlwm tsis zoo hauv qee qhov xwm txheej. Qhov no feem ntau tshwm sim thaum noj ntau dhau lossis ntev - raug rau methyl isothiazolinone. Cov tsos mob ntawm daim siab ua haujlwm tsis zoo yuav suav nrog jaundice, qaug zog, tsis qab los noj mov, thiab lwm yam.
Lwm yam kev pheej hmoo
Ntxiv nrog rau cov kev mob tshwm sim meej uas tau hais los saum no, cov khoom sib xyaw no kuj tseem tuaj yeem ua rau muaj kev phom sij rau kev noj qab haus huv. Piv txwv li, nws tuaj yeem cuam tshuam rau tib neeg endocrine system thiab cuam tshuam kev noj qab haus huv ntawm cov menyuam yaus; Nws kuj tseem tuaj yeem muaj kev cuam tshuam tsis zoo rau lub paj hlwb, ua rau cov tsos mob xws li mob taub hau thiab kiv taub hau.
Kev ntsuas teb
Txhawm rau txo cov kev mob tshwm sim ntawm qhov sib xyaw no, cov kev ntsuas hauv qab no tuaj yeem ua:
Xaiv cov khoom tsis muaj qhov sib xyaw no:
Thaum yuav cov khoom siv tu tus kheej xws li tshuaj pleev ib ce thiab tshuaj pleev ib ce, ua tib zoo saib xyuas cov npe ntawm cov khoom xyaw thiab xaiv cov khoom uas tsis muaj cov tshuaj no.
Ua kev kuaj tawv nqaij:
Ua ntej siv cov khoom uas muaj cov khoom sib xyaw no, kev kuaj tawv nqaij tuaj yeem ua rau ntawm thaj chaw rhiab xws li sab hauv ntawm caj npab kom saib xyuas kev tsis haum tshuaj.
Tsis txhob siv sijhawm ntev -:
Sim txo qis kev siv cov khoom uas muaj cov khoom sib xyaw no thiab tsis txhob siv sijhawm ntev -.
Nrhiav kev kho mob sai sai:
Yog tias muaj kev tsis haum tshuaj lossis lwm yam tsos mob tshwm sim, tsis txhob siv cov khoom lag luam tam sim ntawd thiab nrhiav kev kho mob sai.
FAQ
Puas yog methylisothiazolinone teeb meem?
Neurodegenerative ntshawv siab nyob rau hauv tib neeg tej zaum yuav tshwm sim los yog exacerbated los ntawm cov neeg ua hauj lwm los yog ib puag ncig. Ntawm no, peb qhia tau hais tias ib qho luv luv raug rau methylisothiazolinone, siv dav hauv kev lag luam thiab tsev neeg biocide, yogheev lom rau kab lis kev cai neurons tab sis tsis rau glia.
Puas yog methylisothiazolinone txwv?
Qhov siab tshaj plaws tso cai ntawm titanium dioxide (uas tsis yog nyob rau hauv daim ntawv nano) raws li UV- lim kuj yog 25%.Methylisothiazolinone raug txwv: Raws li nws tau tshaj tawm yav dhau los, tab sis tam sim no nws tau dhau los ua kev cai, kev siv MI hauv kev tawm mus - ntawm cov khoom siv tshuaj pleev ib ce yuav raug txwv.
Yam khoom twg yog methylisothiazolinone hauv?
Methylisothiazolinone nyob qhov twg? Cov tshuaj no yog cov khoom siv ua kom huv si ntawm tus kheej (xws li tshuaj zawv plaub hau, tshuaj pleev ib ce, emulsions, thiab tshuaj pleev thaiv hnub), thiab hauv cov roj ua kom txias, txiav cov roj, thiab cov ntawv tiav. Nws kuj yog feem ntau ntxiv rau cov tsev ntxhua khaub ncaws los hloov cov formaldehyde.
methylchloroisothiazolinone ua dab tsi rau koj cov tawv nqaij?
Methylchloroisothiazolinone tuaj yeem ua rau muaj teeb meem ntawm daim tawv nqaij thaum nws siv ntau ntau hauv cov khoom sib txawv. Qhov no yog hu ua sensitization. Nwskoom nrog koj lub cev tiv thaiv kab mob thiab irritates koj cov tawv nqaij. Thaum qhov no tshwm sim koj tuaj yeem ua xua mus tas li rau methylchloroisothiazolinone lwm zaus koj raug rau nws.
Cim npe nrov: Methylisothiazolinone CAS 2682-20-4, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom