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2-Acetyl-5-methyl furan (CAS#1193-79-9)

Ipropati yeMichiza:

Ifomula yeemolekyuli C7H8O2
IMisa yeMolar 124.14
Ukuxinana 1.066 g/mL ku-25 °C (lit.)
Indawo yokunyibilika 2 °C
Indawo yeBoling 100-101 °C/25 mmHg (isibane.)
Indawo yokuflasha 176°F
Inombolo yeJECFA 1504
Ukunyibilika kwamanzi Inyibilika kancinane emanzini. Inyibilika etywaleni.
Uxinzelelo loMphunga 0.301mmHg kwi-25°C
Ukuxinana komphunga >1 (vs umoya)
Imbonakalo Ikristale emhlophe
Ubunzima obuthile 1.066
Umbala Lutyheli ukuya kuBrown
I-BRN 110853
Imeko yoGcino Umoya ophantsi, uBubushushu beGumbi
Refractive Index n20/D 1.512(lit.)
MDL MFCD00003243
Sebenzisa Isetyenziswe njenge-flavour yemihla ngemihla

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko 22 – Iyingozi xa iginyiwe
Inkcazelo yoKhuseleko 36 – Nxiba iimpahla ezifanelekileyo zokukhusela.
Izazisi ze-UN 2810
WGK eJamani 3
RTECS LT8528000
Ikhowudi ye-HS 29321900
Inqaku Lengozi Inobungozi
IKlasi yeeNgozi 6.1(b)
Iqela lokuPakisha III

 

Intshayelelo

I-5-methyl-2-acetylfran yi-organic compound.

 

Ikhompawundi inezi mpawu zilandelayo:

Imbonakalo: ulwelo olungenambala okanye olumthubi olukhanyayo.

Ukunyibilika: Inyibilika kwiintlobo ezininzi ze-solvents eziphilayo, ezifana ne-ethanol, i-methanol kunye ne-methylene chloride.

Ubuninzi: malunga ne-1.08 g/cm3.

 

Ukusetyenziswa okuphambili kwe-5-methyl-2-acetylfran kubandakanya:

I-Chemical synthesis: Njenge-intermediate kwi-organic synthesis reactions, ingasetyenziselwa ukudibanisa ezinye iikhompawundi eziphilayo.

 

Iindlela zokulungiselela i-5-methyl-2-acetylfran ziquka:

Ilungiselelwe ukusuka kwi-5-methyl-2-hydroxyfuran nge-acylation.

Ilungiswa nge-acetylation ye-5-methylfuran nge-acetylating agent (umz., i-acetic anhydride) kunye ne-catalyst (umzekelo, i-sulfuric acid).

 

Iyacaphukisa kwaye kufuneka igwenywe ekudibaneni nolusu kunye namehlo.

Ukuphefumla okanye ukungenwa ngengozi kunokubangela ukucaphuka kwemiphunga kunye nokungakhululeki kokwetyisa, kwaye abantwana kunye nezilwanyana zasekhaya kufuneka zigcinwe kude.

Izilumkiso ezifanelekileyo, ezinje ngokunxiba iimpahla zamehlo ezikhuselayo kunye neeglavu, kufuneka zisetyenziswe ngexesha lokusebenza.

Xa ugcina, kufuneka ivalwe ngokuqinileyo kwaye kude nemithombo yomlilo kunye ne-oxidants.


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