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umkhiqizo

2-5-Dimethyl-4-Methoxy-3(2H)-Furanone (CAS#4077-47-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H10O3
I-Molar Mass 142.15
Ukuminyana 1.097g/mLat 25°C(lit.)
I-Boling Point 63°C/0.3mmHg(lit.)
I-Flash Point 167°F
Inombolo ye-JECFA 1451
Ukubukeka uketshezi olucacile
I-Gravity ethize 1.097
Umbala Ayinambala ukuya kokuphuzi
Isimo Sesitoreji 2-8°C
I-Refractive Index n20/D 1.478(lit.)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi 22 – Kuyingozi uma kugwinywe
Incazelo Yokuphepha 24/25 - Gwema ukuthintana nesikhumba namehlo.
I-WGK Germany 3
Ikhodi ye-HS 29329990

 

Isingeniso

I-4-Methoxy-2,5-dimethyl-3(2H)-furanone) iyinhlanganisela yezinto eziphilayo, evame ukufushaniswa njenge-MDMF. Okulandelayo yisingeniso sobunjalo bayo, ukusetshenziswa, indlela yokulungiselela kanye nolwazi lokuphepha:

 

Ikhwalithi:

- Ukubukeka: Uketshezi olungenambala kuya kokuphuzi okuphaphathekile

- Ukunyibilika: Kuncibilika kuzincibilikisi eziningi eziphilayo njengotshwala, ama-ether nama-ketone

 

Sebenzisa:

- I-MDMF ivamise ukusetshenziswa njengendawo ephakathi ku-organic synthesis yokuhlanganiswa kwezinhlanganisela ezihlukahlukene zezinto eziphilayo.

- Ingasetshenziswa njenge-solvent kanye ne-reactant kuma-laboratories amakhemikhali.

 

Indlela:

Indlela yokulungiselela i-MDMF ngokuvamile yenziwa ngezinyathelo ezilandelayo:

1. I-P-toluene isabela nge-hydroxyacetone ye-ketone alcohol isomerization ngaphansi kwezimo ezine-acidic.

2. Umkhiqizo owumphumela ube ususabela nge-methanol ukuze wenze izinhlanganisela zotshwala be-ketone.

3. I-ketone alcohol compounds iphelelwa amanzi ngenxa yokusabela kokuphelelwa amanzi emzimbeni noma ukwelashwa kwe-ejenti eqeda amanzi emzimbeni ukuze kukhiqizwe umkhiqizo ohlosiwe we-MDMF.

 

Ulwazi Lokuphepha:

- I-MDMF inomphumela ocasulayo esikhumbeni futhi kufanele igezwe ngamanzi amaningi ngokushesha ngemva kokuthintana.

- Ukucasuka kwamehlo nokulimala kwamehlo kungabangelwa uma lingena emehlweni, ngakho-ke hashaza ngamanzi amaningi ngokushesha ngemva kokuthintana futhi uxhumane nodokotela.

- Gwema ukuhogela umhwamuko we-MDMF ukuze ugweme ukucasuka kokuphefumula.

- Amazinga okushisa aphezulu, imithombo yokuthungela, nama-oxidizing aqinile kufanele kugwenywe lapho kugcinwa.

 


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