isibhengezo_sekhasi

umkhiqizo

(E)-alpha-damascone(CAS#24720-09-0)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C13H20O
I-Molar Mass 192.3
Ukuminyana 0.898±0.06 g/cm3(Kubikezelwe)
I-Boling Point 267.1±29.0 °C(Kubikezelwe)
I-Flash Point 100°C
Inombolo ye-JECFA 2188
Ukuncibilika kwamanzi 140mg/L ku-20℃
I-Vapor Presure 3.2Pa ku-25℃
I-Refractive Index n20/D 1.496

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 43 - Kungabangela ukuzwela ngokuthinta isikhumba
Incazelo Yokuphepha 36/37 - Gqoka izingubo zokuzivikela ezifanele namagilavu.

 

Isingeniso

(E)-1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-2-buten-1-one, eyaziwa nangokuthi i-enone, inalezi zakhiwo ezilandelayo:

 

Ukubukeka: Uketshezi olungenambala.

Ukunyibilika: Kuncibilika kuzincibilikisi zemvelo ezifana notshwala, ama-ether nama-hydrocarbon anephunga elimnandi.

 

Ukusetshenziswa okuyinhloko kwe-alkenone:

 

I-Catalyst: I-Enketone ingasetshenziswa njenge-catalyst yokusabela kwe-hydrogenation.

Ukuhlanganiswa kwezinhlanganisela ezisebenzayo: I-Enone ingasetshenziswa njengento yokuqala noma emaphakathi ekuhlanganiseni ezinye izinhlanganisela eziphilayo, futhi ibambe iqhaza ekuphenduleni kokusebenza kwe-olefin, ukwengeza okukhethiwe kwe-olefin nokunye ukusabela.

 

Indlela evamile yokuhlanganisa ye-enketone ilungiswa ngokusabela kwe-oxidation-dehydrogenation. Isibonelo, i-cyclohexene i-oxidized nge-trimethylethoxy kuya ku-cyclohexanone, bese i-cyclohexanone isabela nge-sodium hydroxide ukuze ithole i-enone.

 

I-Enone iwuketshezi oluvuthayo, futhi ukuthintana namalangabi avulekile nemithombo yokushisa okuphezulu kufanele kuvinjelwe, futhi kufanele kugcinwe kude nemithombo yomlilo.

Gqoka amagilavu ​​amakhemikhali, izibuko, nezingubo zokuzivikela lapho usebenzisa i-alkenone ukuze ugweme ukuthintana ngqo nesikhumba namehlo.

Ukuhogela komhwamuko we-enone kufanele kugwenywe ngesikhathi sokusebenza futhi kugcinwe umoya omuhle.

I-Enketone i-hydrolyzed kalula ngaphansi kwezimo ezine-acidic futhi ijwayele ukusabela ngobudlova okubangelwa ama-oxidants, ngakho-ke sicela uyigcine futhi uwasebenzise ngendlela efanele.

 


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