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Ethyl maltol(CAS#4940-11-8)

Chemical Property:

Molecular Formula C7H8O3
Misa ya Molar 140.14
Kuchulukana 1.1624 (kuyerekeza movutikira)
Melting Point 85-95 ° C (kuyatsa)
Boling Point 196.62 ° C (kuyerekeza molakwika)
Nambala ya JECFA 1481
Kusungunuka kwamadzi 9.345g/L pa 24 ℃
Kusungunuka Kusungunuka m'madzi otentha, Mowa ndi zosungunulira zina organic, pang'ono sungunuka m'madzi.
Kuthamanga kwa Vapor 0.2Pa pa 24 ℃
Maonekedwe Choyera kapena chachikasu singano crystal kapena crystalline ufa
Mtundu White mpaka Pale Yellow
Merck 14,3824
pKa 8.38±0.10 (Zonenedweratu)
Mkhalidwe Wosungira 2-8 ° C
Refractive Index 1.4850 (chiyerekezo)
MDL Mtengo wa MFCD00059795
Zakuthupi ndi Zamankhwala Malo osungunuka 85-95 ° C
Gwiritsani ntchito Amagwiritsidwa ntchito muzakudya, fodya, zodzoladzola ndi mafakitale ena, ndipo amakhala ndi zotsatira zokometsera, kukonza ndi kutsekemera.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xn - Zowopsa
Zizindikiro Zowopsa 22 - Zowopsa ngati zitamezedwa
Kufotokozera Zachitetezo 36 - Valani zovala zoyenera zodzitetezera.
WGK Germany 3
Mtengo wa RTECS UQ0840000
HS kodi 29329990
Poizoni LD50 pamlomo pa mbewa zamphongo, makoswe amphongo, makoswe achikazi, anapiye (mg / kg): 780, 1150, 1200, 1270 (Gralla)

 

Mawu Oyamba

Ethyl maltol ndi organic pawiri. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha ethyl maltol:

 

Ubwino:

Ethyl maltol ndi madzi achikasu otumbululuka opanda mtundu komanso fungo lapadera. Imasinthasintha kutentha kwa chipinda, imasungunuka mu zakumwa zoledzeretsa ndi mafuta osungunulira mafuta, komanso osasungunuka m'madzi. Ethyl maltol ili ndi kukhazikika kwabwino kwambiri ndipo imatha kukhala yokhazikika kwa nthawi yayitali mothandizidwa ndi mpweya ndi kuwala kwa dzuwa.

 

Gwiritsani ntchito:

 

Njira:

Pali njira zambiri zokonzekera ethyl maltol, ndipo njira yomwe imagwiritsidwa ntchito kwambiri ndi esterify maltol ndi ethanol pamaso pa chothandizira kupeza ethyl maltol. Chisamaliro chiyenera kulipidwa pakuwongolera momwe zinthu zilili ndi kusankha chothandizira panthawi yokonzekera kuonetsetsa kuti mankhwalawa ndi oyeretsedwa.

 

Zambiri Zachitetezo:

Pewani kukhudza maso ndi khungu mukamagwiritsa ntchito, ndipo muzimutsuka nthawi yomweyo ndi madzi ambiri ngati mwakumana nawo.

Pewani kupuma motalika komanso kumeza kuti mupewe kupsa mtima m'njira yopuma komanso m'mimba.

Posunga, pewani kukhudzana ndi zotulutsa mphamvu zamphamvu ndipo sungani pamalo ozizira, owuma, ndi mpweya wabwino.

Ngati mutamwa mwangozi kapena simukumva bwino, pitani kuchipatala ndikudziwitsa dokotala za mankhwala omwe mumagwiritsa ntchito.


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