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umkhiqizo

I-Ethyl maltol(CAS#4940-11-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula C7H8O3
I-Molar Mass 140.14
Ukuminyana 1.1624 (isilinganiso esinzima)
I-Melting Point 85-95 °C (okhanyisiwe)
I-Boling Point 196.62°C (isilinganiso esinzima)
Inombolo ye-JECFA 1481
Ukuncibilika kwamanzi 9.345g/L ku-24℃
Ukuncibilika Incibilika emanzini ashisayo, i-ethanol nezinye izincibilikisi eziphilayo, inyibilika kancane emanzini.
I-Vapor Presure 0.2Pa ku-24℃
Ukubukeka Ikristalu yenaliti emhlophe noma ephuzi noma i-crystalline powder
Umbala Okumhlophe kuya Kuphuzi Okuphaphathekile
I-Merck 14,3824
pKa 8.38±0.10(Okubikezelwe)
Isimo Sesitoreji 2-8°C
I-Refractive Index 1.4850 (isilinganiso)
I-MDL I-MFCD00059795
Izakhiwo Zomzimba Nezamakhemikhali Iphuzu lokuncibilika lingu-85-95°C
Sebenzisa Isetshenziselwa ukudla, ugwayi, izimonyo nezinye izimboni, futhi inomphumela wokunambitheka, ukulungisa kanye nobumnandi.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi 22 – Kuyingozi uma kugwinywe
Incazelo Yokuphepha 36 – Gqoka izingubo ezifanele zokuzivikela.
I-WGK Germany 3
I-RTECS UQ0840000
Ikhodi ye-HS 29329990
Ubuthi I-LD50 ngomlomo kumagundane abesilisa, amagundane abesilisa, amagundane abesifazane, amatshwele (mg/kg): 780, 1150, 1200, 1270 (Gralla)

 

Isingeniso

I-Ethyl maltol iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-ethyl maltol:

 

Ikhwalithi:

I-Ethyl maltol iwuketshezi olungenambala kuya kokuphuzi okuphaphathekile olunephunga elikhethekile. Iyashintshashintsha uma izinga lokushisa legumbi, incibilika otshwaleni nasezincibilikisini ezinamafutha, futhi ayincibiliki emanzini. I-Ethyl maltol inokuzinza okuhle kakhulu futhi iyakwazi ukuhlala izinzile isikhathi eside ngaphansi kwethonya le-oxygen nokukhanya kwelanga.

 

Sebenzisa:

 

Indlela:

Kunezindlela eziningi zokulungiselela i-ethyl maltol, futhi indlela evame ukusetshenziswa i-esterify maltol nge-ethanol phambi kwe-catalyst yokuthola i-ethyl maltol. Ukunakwa kufanele kukhokhwe ekulawuleni izimo zokusabela kanye nokukhethwa kwe-catalyst phakathi nenqubo yokulungiselela ukuqinisekisa ukuhlanzeka komkhiqizo kanye nomphumela wokusabela.

 

Ulwazi Lokuphepha:

Gwema ukuthintana namehlo nesikhumba ngesikhathi sokusebenzisa, futhi ugeze ngokushesha ngamanzi amaningi uma uthintwa.

Gwema ukuhogela nokudonsa isikhathi eside ukuze uvimbele ukucasuka ezinhlelweni zokuphefumula nezokugaya.

Lapho ugcina, gwema ukuthintana nama-oxidants aqinile futhi ugcine endaweni epholile, eyomile, nendawo enomoya omuhle.

Esimeni sokungena ngephutha noma ukungakhululeki, funa usizo lwezokwelapha futhi wazise udokotela wakho ngamakhemikhali asetshenzisiwe.


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