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ibicuruzwa

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

Umutungo wa Shimi:

Inzira ya molekulari C7H10O3
Misa 142.15
Ubucucike 1.137g / mLat 25 ° C (lit.)
Ingingo ya Boling 248-249 ° C (lit.)
Flash point 184 ° F.
Umubare wa JECFA 1449
pKa 9.62 ± 0.40 (Byahanuwe)
Imiterere y'Ububiko munsi ya gaze ya inert (azote cyangwa Argon) kuri 2-8 ° C.
Ironderero n20 / D 1.512 (lit.)
MDL MFCD00191360

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka 22 - Byangiza iyo bimizwe
Ibisobanuro byumutekano S23 - Ntugahumeke umwuka.
S36 - Kwambara imyenda ikingira.
WGK Ubudage 3
RTECS LU4250000

 

Intangiriro

2-Ethyl-4-hydroxy-5-methyl-3 (2H) -furanone, izwi kandi nka MEKHP, ni ifumbire mvaruganda. Ibikurikira nintangiriro kuri kamere, ikoreshwa, uburyo bwo gutegura namakuru yumutekano ya MEKHP:

 

Ubwiza:

- MEKHP ni amazi atagira ibara afite uburyohe budasanzwe.

-

 

Koresha:

- MEKHP isanzwe ikoreshwa nkigisubizo kandi igahuza intera mugari ya chimique na organic synthesis.

- Irashobora gukoreshwa nkibikoresho fatizo byo kuvura imiti, imiti ihuza amarangi akwiye, hamwe nudukoko twangiza.

 

Uburyo:

- Uburyo bwo gutegura MEKHP buboneka cyane cyane kuri Auff reaction ya methylpyridone na Ethylene.

- Aouf reaction ni metathesis reaction aho MEKHP ibonwa nigisubizo gikaze cyane imbere ya acetylene.

 

Amakuru yumutekano:

- MEKHP irakaza amaso nuruhu kandi igomba gukaraba namazi menshi mukimara guhura.

- Hagomba kwitonderwa kwirinda guhumeka umwuka no kwirinda guhura n'umuriro ugurumana n'ubushyuhe bwinshi.

- MEKHP ni imiti kandi igomba gukurikiza uburyo bukwiye bwo gukora kandi ikorerwa ahantu hafite umwuka mwiza.

- Mugihe ukoresha no kubika, nyamuneka ukurikize amabwiriza ajyanye no gufata neza umutekano no guta imyanda neza.


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