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imveliso

I-4-Methylacetophenone (CAS# 122-00-9)

Ipropati yeMichiza:

Ifomula yeemolekyuli C9H10O
IMisa yeMolar 134.18
Ukuxinana 1.004 g/mL ku-20 °C1.005 g/mL ku-25 °C (lit.)
Indawo yokunyibilika 22-24 °C (lit.)
Indawo yeBoling 226 °C (lit.)
Indawo yokuflasha 198°F
Inombolo yeJECFA 807
Ukunyibilika kwamanzi 0.37 g/L (15 ºC)
Ukunyibilika 2.07g/l
Uxinzelelo loMphunga 0.52 hPa (25 °C)
Imbonakalo Ulwelo
Umbala Icacile engenambala ukuya kumthubi
I-BRN 606053
Imeko yoGcino Gcina ngaphantsi +30°C.

Iinkcukacha zeMveliso

Iithegi zeMveliso

I-Methylacetophenone yi-organic compound. Oku kulandelayo sintshayelelo kubume bayo, ukusetyenziswa, ukulungiswa kunye nolwazi lokhuseleko:

Umgangatho:
I-Methylacetophenone lulwelo olungenambala kunye nevumba elimnandi. Ayinyibiliki emanzini kodwa inokunyibilika kwizinyibilikisi eziphilayo ezifana ne-ethanol kunye nezinyibilikisi ze-ether.

Sebenzisa:
I-Methylacetophenone isoloko isetyenziswa njengento ebalulekileyo ephakathi kwi-organic synthesis. Isenokusetyenziswa njengesithambiso kwizinyibilikisi, iidayi, neziqholo.

Indlela:
Indlela yokulungiselela i-methylacetophenone ifumaneka ikakhulu ngokusabela kwe-ketation. Indlela eqhelekileyo yokwenziwa kukusabela i-acetophenone nge-reagent ye-methylation efana ne-methyl iodide okanye i-methyl bromide phantsi kweemeko ze-alkaline. Emva kokusabela, imveliso ekujoliswe kuyo inokufumaneka ngenkqubo ye-distillation.

Ulwazi ngoKhuseleko:
- I-Methylacetophenone iyaguquguquka kwaye kufuneka isetyenziswe ngokungena komoya okulungileyo.
- Kuphephe ukudibana nee-oxidizing agents ezinamandla okanye iiasidi ezinamandla ukuthintela ukusabela okuyingozi.
I-Methoacetophenone iyacaphukisa kwaye kufuneka ithintelwe ekudibaneni nolusu kunye namehlo, kunye nezixhobo ezifanelekileyo zokuzikhusela ezifana neeglavu kunye neeglavu kufuneka zinxitywe.
- Kwimeko yokuphefumla okanye ukufunxa, funa unyango ngokukhawuleza.
- Xa ugcina kwaye uphatha i-methylacetophenone, landela imimiselo yendawo kwaye uthathe amanyathelo okhuseleko afanelekileyo.


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