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2- (4-Methyl-5-thiazolyl) ethyl hexanoate (CAS # 94159-32-7)

Chemical Property:

Molecular Formula C12H19NO2S
Molar Mass 241.35 Nws
Qhov ntom 1.078 ± 0.06 g / cm3 (Tshaj tawm)
Boling Point 152 ° C / 3mmHg (lit.)
Flash Point 158.3°C dej
JECFA Number 1755
Vapor Siab 0.000101mmHg ntawm 25 ° C
Qhov tshwm sim kua ntshiab
Xim Lub teeb daj rau daj rau txiv kab ntxwv
pKa 3.18 ± 0.10 (Kev kwv yees)
Refractive Index 1.4900 rau 1.4940

Product Detail

Khoom cim npe

 

Taw qhia

4-Methyl-5-thiazolylethanol hexanoate, tseem hu ua MTBE (Methyl tert-butyl ether), yog cov kua tsis muaj xim nrog cov ntxhiab tsw tshwj xeeb. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:

 

Zoo:

Nws yog soluble hauv ntau cov kuab tshuaj organic xws li cawv, ethers, thiab ketones, tab sis yuav luag insoluble hauv dej.

MTBE muaj qhov ua tau zoo los tiv thaiv kev ua haujlwm zoo thiab tuaj yeem siv los ua tus neeg sawv cev antiknock rau roj av.

 

Siv:

MTBE feem ntau yog siv los ua cov tshuaj ntxiv rau cov roj av txhawm rau txhawm rau txhawm rau txhawm rau tiv thaiv cov roj av, txhim kho kev sib xyaw ua haujlwm ntawm cov roj av thiab txo cov pa phem.

Nws kuj tseem siv tau los ua cov kuab tshuaj thiab muaj qee yam kev siv hauv tshuaj synthesis, tshuaj ntsuam xyuas thiab lwm yam haujlwm.

 

Txoj kev:

Kev npaj ntawm MTBE feem ntau yog tau los ntawm cov tshuaj tiv thaiv condensation ntawm isopropanol thiab methanol nyob rau hauv acidic tej yam kev mob. Cov kauj ruam tshwj xeeb suav nrog reacting isopropanol nrog methanol nyob rau hauv lub xub ntiag ntawm cov kua qaub catalyst (xws li sulfuric acid) los tsim MTBE, uas yog purified los ntawm distillation kom tau txais cov khoom kawg.

 

Cov ntaub ntawv kev nyab xeeb:

MTBE yog cov kua hluav taws xob uas muaj qhov taw tes qis thiab autoignition kub. Nws yuav tsum tau ua nyob rau hauv ib qho chaw zoo-ventilated, deb ntawm qhov qhib nplaim taws thiab qhov chaw tshav kub.

Kev kis mus ntev rau MTBE vapor tuaj yeem ua rau muaj kev cuam tshuam rau cov kab mob ua pa, qhov muag, thiab tawv nqaij. Cov cuab yeej tiv thaiv tus kheej tsim nyog xws li kev tiv thaiv ua pa, tsom iav, thiab hnab looj tes tiv thaiv yuav tsum hnav.

MTBE muaj toxicity tsawg, tab sis nws yuav tsum tsis txhob noj los yog kov los ntawm lub cev. Nyob rau hauv cov ntaub ntawv ntawm kev huam yuaj los yog tiv tauj, nrhiav kev kho mob tam sim ntawd.

 


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