iphepha_ibhena

imveliso

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

Ipropati yeMichiza:

Ifomula yeemolekyuli C12H19NO2S
IMisa yeMolar 241.35
Ukuxinana 1.078±0.06 g/cm3(Kuxelwe kwangaphambili)
Indawo yeBoling 152°C/3mmHg(lit.)
Indawo yokuflasha 158.3°C
Inombolo yeJECFA 1755
Uxinzelelo loMphunga 0.000101mmHg ku-25°C
Imbonakalo ulwelo olucacileyo
Umbala UKhaphukhaphu omthubi ukuya kumthubi ukuya kwiOrenji
pKa 3.18±0.10(Kuqikelelwe)
Refractive Index 1.4900 ukuba 1.4940

Iinkcukacha zeMveliso

Iithegi zeMveliso

 

Intshayelelo

I-4-Methyl-5-thiazolylethanol hexanoate, eyaziwa ngokuba yiMTBE (Methyl tert-butyl ether), ilulwelo olungenambala olunevumba elikhethekileyo. Oku kulandelayo kukwazisa ngobume bayo, ukusetyenziswa, indlela yokuvelisa kunye nolwazi lokhuseleko:

 

Umgangatho:

Iyanyibilika kwizinyibilikisi ezininzi ze-organic ezifana ne-alcohols, ii-ethers, kunye nee-ketones, kodwa phantse azinyibiliki emanzini.

I-MTBE inomsebenzi ophezulu wokulwa nokunkqonkqozwa kwaye inokusetyenziswa njenge-agent ye-antinknock yepetroli.

 

Sebenzisa:

I-MTBE isetyenziswa ikakhulu njengesongezo sepetroli ukunyusa ukuxhathisa kwepetroli, ukuphucula ukusebenza kakuhle kokutsha kwepetroli kunye nokunciphisa ukukhutshwa kongcoliseko lomoya.

Ingaphinda isetyenziswe njenge-solvent kwaye inezicelo ezithile kwi-chemical synthesis, uhlalutyo lweekhemikhali kunye nezinye iinkalo.

 

Indlela:

Ukulungiswa kwe-MTBE ngokuqhelekileyo kufumaneka ngokuphendula kwe-condensation ye-isopropanol kunye ne-methanol phantsi kweemeko ze-acidic. Amanyathelo athile abandakanya ukusabela kwe-isopropanol kunye ne-methanol phambi kwe-asidi catalyst (umzekelo, i-asidi ye-sulfuric) ukuvelisa i-MTBE, ehlanjululwa yi-distillation ukufumana imveliso yokugqibela.

 

Ulwazi ngoKhuseleko:

I-MTBE lulwelo olunokutsha kunye nenqaku eliphantsi lokukhanya kunye nobushushu bokuziqhelanisa. Kufuneka iqhutywe kwindawo engena umoya, kude namadangatye avulekileyo kunye nemithombo yokushisa.

Ukuvezwa kwexesha elide kumphunga weMTBE kunokuba neziphumo ezicaphukisayo kwindlela yokuphefumla, amehlo kunye nolusu. Izixhobo ezifanelekileyo zokuzikhusela ezinje ngokhuseleko lokuphefumla, iiglavu, iiglavu zokuzikhusela kufuneka zinxitywe.

I-MTBE inetyhefu encinci, kodwa ayifanele ifakwe okanye iphathwe ngamalungu angaphakathi. Kwimeko yokungenwa ngengozi okanye ukudibana, funa unyango ngokukhawuleza.

 


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