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2-Ethyl-4-hydroxy-5-Methyl-3 (2H)-furanone (CAS#27538-10-9)

Ipropati yeMichiza:

Ifomula yeemolekyuli C7H10O3
IMisa yeMolar 142.15
Ukuxinana 1.137g/mLat 25°C(lit.)
Indawo yeBoling 248-249°C(lit.)
Indawo yokuflasha 184°F
Inombolo yeJECFA 1449
pKa 9.62±0.40(Kuqikelelwe)
Imeko yoGcino phantsi kwegesi engasebenziyo (nitrogen okanye iArgon) kwi-2-8°C
Refractive Index n20/D 1.512(lit.)
MDL MFCD00191360

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko 22 – Iyingozi xa iginyiwe
Inkcazelo yoKhuseleko S23 – Musa ukuphefumla umphunga.
S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo.
WGK eJamani 3
RTECS LU4250000

 

Intshayelelo

I-2-Ethyl-4-hydroxy-5-methyl-3 (2H) -furanone, eyaziwa ngokuba yi-MEKHP, i-organic compound. Oku kulandelayo sintshayelelo kubume, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi lokhuseleko lwe-MEKHP:

 

Umgangatho:

- I-MEKHP lulwelo olungenambala kunye nencasa ekhethekileyo enevumba elimnandi.

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Sebenzisa:

- I-MEKHP isetyenziswa ngokuqhelekileyo njenge-solvent kunye ne-intermediate kuluhlu olubanzi lweekhemikhali kunye neenkqubo ze-organic synthesis.

- Ingasetyenziswa njengento ekrwada yee-agent zokunyanga i-resin, i-synthetic intermediates yeedayi ezifanelekileyo, kunye nezibulali-zinambuzane.

 

Indlela:

- Indlela yokulungiselela ye-MEKHP ifunyenwe ngokuyinhloko yi-Auff reaction ye-methylpyridone kunye ne-ethylene.

- I-Aouf reaction yi-metathesis reaction apho i-MEKHP ifunyenwe ngokusabela okuphilayo okunamandla phambi kwe-acetylene.

 

Ulwazi ngoKhuseleko:

- I-MEKHP iyacaphukisa emehlweni kunye nolusu kwaye kufuneka ihlanjwe ngamanzi amaninzi ngokukhawuleza emva kokudibanisa.

- Ukunyamekela kufuneka kuthathwe ukuphepha ukuphefumla umphunga kwaye ugweme ukudibanisa namadangatye avulekileyo kunye namaqondo obushushu aphezulu.

- I-MEKHP yikhemikhali kwaye kufuneka ilandele iinkqubo ezifanelekileyo zokusebenza kwaye iqhutywe kwindawo engenamoya.

- Xa usebenzisa kwaye ugcina, nceda ulandele imimiselo yokuphatha ngokukhuselekileyo kwaye ulahle inkunkuma ngokufanelekileyo.


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