isibhengezo_sekhasi

umkhiqizo

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

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C12H19NO2S
I-Molar Mass 241.35
Ukuminyana 1.078±0.06 g/cm3(Kubikezelwe)
I-Boling Point 152°C/3mmHg(lit.)
I-Flash Point 158.3°C
Inombolo ye-JECFA 1755
I-Vapor Presure 0.000101mmHg ku-25°C
Ukubukeka uketshezi olucacile
Umbala Okuphuzi ngokukhanyayo ukuya kokuphuzi ukuya kokuwolintshi
pKa 3.18±0.10(Okubikezelwe)
I-Refractive Index 1.4900 ukuze 1.4940

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

 

Isingeniso

I-4-Methyl-5-thiazolylethanol hexanoate, eyaziwa nangokuthi i-MTBE (Methyl tert-butyl ether), iwuketshezi olungenambala olunephunga elikhethekile. Okulandelayo yisingeniso semvelo yayo, ukusetshenziswa, indlela yokukhiqiza kanye nolwazi lokuphepha:

 

Ikhwalithi:

Incibilika kuzincibilikisi eziningi eziphilayo ezifana notshwala, ama-ether, nama-ketone, kodwa cishe ayincibiliki emanzini.

I-MTBE inokusebenza okuphezulu kwe-anti-knock futhi ingasetshenziswa njenge-ejenti ye-antiknock kaphethiloli.

 

Sebenzisa:

I-MTBE isetshenziswa kakhulu njengesithasiselo sikaphethiloli ukuze kwandiswe ukumelana nophethiloli, kuthuthukiswe ukusebenza kahle kokusha kukaphethiloli kanye nokunciphisa ukungcola komoya.

Ingasetshenziswa futhi njenge-solvent futhi inezinhlelo zokusebenza ezithile ekuhlanganiseni kwamakhemikhali, ukuhlaziya amakhemikhali nezinye izinkambu.

 

Indlela:

Ukulungiswa kwe-MTBE kuvame ukutholwa ukusabela kokujiya kwe-isopropanol ne-methanol ngaphansi kwezimo ezine-acidic. Izinyathelo ezithile zibandakanya ukusabela kwe-isopropanol nge-methanol lapho kukhona i-asidi catalyst (isb, i-sulfuric acid) ukuze kukhiqizwe i-MTBE, ehlanjululwa ngokufakwa emanzini ukuze kutholwe umkhiqizo wokugcina.

 

Ulwazi Lokuphepha:

I-MTBE iwuketshezi oluvutha umlilo olunephuzu eliphansi lokukhanyisa kanye nezinga lokushisa elizenzakalelayo. Kufanele isetshenziswe endaweni enomoya omuhle, kude namalangabi avulekile nemithombo yokushisa.

Ukuchayeka isikhathi eside kumhwamuko we-MTBE kungase kube nemiphumela ecasulayo emzileni wokuphefumula, emehlweni, nasesikhunjeni. Izimpahla zokuzivikela ezifanele ezifana nokuvikela ukuphefumula, izibuko, namagilavu ​​okuzivikela kufanele kugqokwe.

I-MTBE inobuthi obuphansi, kodwa akufanele idliwe noma ithintwe izitho zangaphakathi. Uma ungenwa ngephutha noma uthintwa, funa usizo lwezokwelapha ngokushesha.

 


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