Methyl Paraben Tshuaj pleev ib ce Raw Khoomyog ib hom dawb siv lead ua los yog hmoov nrog me ntsis tsw tshwj xeeb. Nws yog khoom noj khoom haus additive thiab organic hluavtaws raw khoom. Nws tuaj yeem siv los ua cov kab mob bactericidal thiab antiseptic additive rau tshuaj, khoom noj khoom haus, txuj lom, zaj duab xis, thiab cov khoom siv high-end, nrog rau kev pub noj tshuaj tua kab mob. Nws cov kab mob bactericidal thiab tshuaj tua kab mob yog ntau dua li ntawm Nipagin ethyl ester. Thaum sib xyaw nrog methylparaben, nws tuaj yeem tua Pseudomonas aeruginosa. Nws kuj yog siv los ua cov organic synthesis reagent.
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| Methylparaben hmoov | Methyl Paraben Molecular formula |
Puas yog Methylparaben muaj teeb meem rau lub cev?
Methyl Paraben Tshuaj pleev ib ce Raw Khoomyog ib hom milky dawb rau yellowish xim av hmoov, uas yog ib qho yooj yim rau nqus noo noo thiab agglomerate. Nws yog ib hom non-ionic surfactant tsim los ntawm kev sib xyaw ntawm sucrose thiab fatty acid pawg. Cov khoom no tsis muaj teeb meem rau tib neeg lub cev. Nws muaj biodegradability zoo heev. Nws yog ib qho zoo emulsifying stabilizer. Nws yog dav siv nyob rau hauv condiments xws li soy sauce thiab vinegar, pickled khoom, ci zaub mov, ntses khoom, dej haus, mov wine thiab txiv hmab txiv ntoo, thiab zaub preservation. Suav GB2760 qhia tias ethyl Paraben, Propyl Paraben, sodium paraben methyl ester, sodium paraben ethyl ester, thiab sodium paraben propyl ester, suav nrog cov khoom no, tuaj yeem siv ua zaub mov noj.
Nyob rau tib lub sijhawm, cov khoom no tau lees paub thoob ntiaj teb raws li qhov dav-spectrum thiab high-efficiency zaub mov preservative. Tebchaws Asmeskas, Tebchaws Europe, Nyiv, Canada, Kaus Lim Qab Teb, Russia, thiab lwm lub tebchaws tso cai thov Nipagin ester hauv cov zaub mov.
Txog kev sib piv tshuaj tua kab mob ntawm cov khoom no?
Methyl Paraben Tshuaj pleev ib ce Raw Khoommuaj cov qauv phenolic hydroxyl, yog li nws cov khoom tiv thaiv kab mob muaj zog dua li benzoic acid thiab sorbic acid.
Nws cov tshuaj tua kab mob feem ntau yog nyob rau hauv lub xeev molecular, thiab pawg hydroxyl hauv nws cov molecule tau esterified thiab tsis ionized lawm, yog li nws muaj cov kab mob zoo hauv thaj tsam ntawm pH 3-8. Benzoic acid thiab sorbic acid yog ob qho tib si acidic preservatives, thiab lawv cov bacteriostatic nyhuv tsis zoo nyob rau hauv cov khoom nrog pH > 5.5.
Nws txoj kev nyab xeeb yog siab heev. Noj ethyl ester ua piv txwv, nws LD50 yog 5000 mg / kg thiab Adi yog 0-10 mg / kg, thaum LD50 ntawm benzoic acid yog 2530 mg / kg thiab Adi yog 0-5 mg / kg,
LD50 ntawm sorbic acid yog 7630mg / kg, thiab ADI yog 0-25mg / kg. Txij li qhov sib ntxiv ntawm cov khoom no tsuas yog 1 / 10-1 / 5 ntawm sorbic acid thiab benzoic acid, nws cov txheeb ze kev nyab xeeb yog ntau dua li ntawm sorbic acid.
Txij li thaum muaj ntau cov as-ham ntxiv rau cov tshuaj pleev ib ce, nws yog ib qho yooj yim los tsim tej yam kev mob rau propagation ntawm microorganisms. Yog li ntawd, ib co preservative yog ntxiv rau cov tshuaj pleev ib ce los tiv thaiv cov kab mob los ntawm ua rau lub deterioration ntawm cov tshuaj pleev ib ce, yog li ncua lub txee lub neej. Raws li cov qauv kev tu cev rau cov tshuaj pleev ib ce hauv Suav teb, qhov siab tshaj plaws ntawm p-hydroxybenzoate preservatives hauv tshuaj pleev ib ce yog 0.4% rau ib leeg esters thiab 0.8% rau cov esters sib xyaw. Nws tau raug tshaj tawm tias kev siv ntau dhau ntawm p-hydroxybenzoate hauv cov tshuaj pleev ib ce tuaj yeem ua rau mob dermatitis.
Kev paub me ntsis ntawmMethylparabenthiab propylparaben
methyl-p-hydroxybenzoate: siv nyob rau hauv tshuaj pleev ib ce, detergents, textiles, coatings, thiab lwm yam lag luam. Nws yog ib tug muaj zog bactericide thiab antiseptic. Phenol coefficient=3.8. Kuj ua ib qho organic nruab nrab. Tsawg heev toxicity thiab tsis muaj irritation rau tib neeg lub cev.
Propyl Paraben: Feem ntau yog siv los ua tshuaj tua kab mob thiab pub tshuaj tua kab mob. Nws cov nyhuv antiseptic yog ntau dua ethyl paraben
Tsis lees paub: tshwj tsis yog tias tau teev tseg, tsab xov xwm kev paub luam tawm los ntawm lub vev xaib no los ntawm Is Taws Nem thiab feem ntau yog siv los txhawb kev sib pauv kev kawm thiab kev kawm. Nws tsis txhais hais tias lub vev xaib no pom zoo nrog nws cov kev xav lossis lees paub qhov tseeb ntawm nws cov ntsiab lus. Thov ua tib zoo tshuaj xyuas nws. Yog tias koj xav tias muaj kev ua txhaum cai hauv tsab xov xwm no, thov hu rau tus thawj tswj hwm. Peb tsis muaj lub luag haujlwm rau qhov tshwm sim ntawm kev siv cov ntaub ntawv thiab kev pabcuam ntawm lub vev xaib no.
Nco tseg: Tag nrho cov tebchaw muaj kev pheej hmoo. Thov nrog koj tus kws qhia ntawv, kws kho mob, lossis lwm tus kws tshawb fawb ua ntej siv. Cov khoom no tsis yog siv los kuaj xyuas, tiv thaiv lossis kho cov kab mob, tab sis tsuas yog siv rau kev tshawb fawb tshawb fawb. Lub tuam txhab tsis muaj lub luag haujlwm rau qhov tshwm sim ntawm kev siv tsis raug.
Yog tias koj xav tau kev pab, thov hu rau peb
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