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imveliso

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

Ipropati yeMichiza:

Ifomula yeemolekyuli C7H8O3
IMisa yeMolar 140.14
Ukuxinana 1.1624 (uqikelelo olurhabaxa)
Indawo yokunyibilika 85-95 °C (isibane.)
Indawo yeBoling 196.62°C (uqikelelo olurhabaxa)
Inombolo yeJECFA 1481
Ukunyibilika kwamanzi 9.345g/L ku-24℃
Ukunyibilika Inyibilika emanzini ashushu, ethanol kunye nezinye izinyibilikisi eziphilayo, ukunyibilika kancinane emanzini.
Uxinzelelo loMphunga 0.2Pa ku-24℃
Imbonakalo Ikristale yenaliti emhlophe okanye etyheli okanye umgubo wekristale
Umbala Mhlophe ukuya koMthubi
Merck 14,3824
pKa 8.38±0.10(Kuqikelelwe)
Imeko yoGcino 2-8°C
Refractive Index 1.4850 (uqikelelo)
MDL MFCD00059795
IiPropati zoMzimba kunye nezeMichiza Indawo yokunyibilika ngama-85-95°C
Sebenzisa Isetyenziselwa ukutya, icuba, izimonyo kunye namanye amashishini, kwaye inefuthe lokuvumba, ukulungiswa kunye nobumnandi.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimpawu ezinobungozi Xn – Iyingozi
Iikhowudi zoMngcipheko 22 – Iyingozi xa iginyiwe
Inkcazelo yoKhuseleko 36 – Nxiba iimpahla ezifanelekileyo zokukhusela.
WGK eJamani 3
RTECS UQ0840000
Ikhowudi ye-HS 29329990
Ubutyhefu I-LD50 ngomlomo kwiimpuku zamadoda, iimpuku zamadoda, iimpuku zabasetyhini, amantshontsho (mg / kg): 780, 1150, 1200, 1270 (Gralla)

 

Intshayelelo

I-Ethyl maltol yi-organic compound. Oku kulandelayo kukwazisa kwiipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi lokhuseleko lwe-ethyl maltol:

 

Umgangatho:

I-Ethyl maltol lulwelo olungenambala ukuya kumthubi oluluthuthu olunevumba elikhethekileyo. Iyaguquguquka kubushushu begumbi, iyanyibilika kwiialkoholi nakwizinyibilikisi ezinamafutha, kwaye ayinyibiliki emanzini. I-Ethyl maltol inozinzo oluhle kakhulu kwaye iyakwazi ukuhlala izinzile ixesha elide phantsi kwefuthe le-oksijini kunye nokukhanya kwelanga.

 

Sebenzisa:

 

Indlela:

Kukho iindlela ezininzi zokulungiselela i-ethyl maltol, kwaye indlela esetyenziswa ngokuqhelekileyo i-esterify maltol nge-ethanol phambi kwe-catalyst ukufumana i-ethyl maltol. Ingqalelo kufuneka ihlawulwe ekulawuleni iimeko zokusabela kunye nokukhethwa kwe-catalyst ngexesha lenkqubo yokulungiselela ukuqinisekisa ukucoceka kwemveliso kunye nesiphumo sokuphendula.

 

Ulwazi ngoKhuseleko:

Kuphephe ukudibana namehlo kunye nolusu ngexesha lokusetyenziswa, kwaye uhlambe ngokukhawuleza ngamanzi amaninzi ukuba udibene.

Gwema ukuphefumla ixesha elide kunye nokungeniswa ukukhusela ukucaphuka kwiinkqubo zokuphefumula kunye nokugaya.

Xa ugcina, kunqande ukudibana nee-oxidants ezinamandla kwaye uzigcine kwindawo epholileyo, eyomileyo, nengena umoya.

Kwimeko yokungenwa ngengozi okanye ukungonwabi, funa unyango kwaye wazise ugqirha wakho ngeekhemikhali ezisetyenzisiweyo.


  • Ngaphambili:
  • Okulandelayo:

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