isibhengezo_sekhasi

umkhiqizo

2-Methyl-Propanoic Acid Pentyl Ester(CAS#2445-72-9)

Isakhiwo Samakhemikhali:

I-Molecular Formula C9H18O2
I-Molar Mass 158.24
Ukuminyana 0.8809 (isilinganiso)
I-Melting Point -73°C (isilinganiso)
I-Boling Point 183.34°C (isilinganiso)
I-Flash Point 58℃ (umaka uvaliwe ukuhlolwa)
I-Refractive Index 1.3864 (isilinganiso)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

 

Isingeniso

I-Amyl isobutyrate. Okulandelayo yisingeniso semvelo yayo, ukusetshenziswa, izindlela zokukhiqiza kanye nolwazi lokuphepha:

 

Ikhwalithi:

I-Amyl isobutyrate iwuketshezi olungenambala olunamanzi olucasulayo kanye nokunambitheka okubabayo. Iyancibilika kuma-alcohols, ethers nezinyibilikisi eziphilayo, futhi ayincibiliki emanzini.

 

Sebenzisa:

I-Amyl isobutyrate isetshenziswa kakhulu kuzincibilikisi, izihlanzi zezimboni, amapende nama-coatings, oyinki, amakha nama-flavour. Ivamise ukusetshenziswa njengesinyibilikisi esiguquguqukayo esisebenzayo embonini, esingancibilikisa ngempumelelo izinto eziningi eziphilayo. Ibuye isetshenziswe ngokujwayelekile njengezinto ezingavuthiwe zokuthambisa, okothambisa kanye namapulasitiki.

 

Indlela:

Ukulungiswa kwe-amyl isobutyrate kuvame ukutholakala ngokusabela kwe-isobutanol nge-valeric acid. Emsebenzini othize, i-isobutanol ne-valeric acid yengezwa ebhodleleni lokusabela ngengxenye ethile, futhi i-catalyst yengezwa ukwenza ukusabela kwe-esterification. Ngemuva kokuthi ukusabela kuqediwe, imikhiqizo iyahlukaniswa futhi ihlanzwe ngezindlela ezifana ne-distillation.

 

Ulwazi Lokuphepha:

I-Amyl isobutyrate yinto evuthayo evuthayo futhi eqhuma lapho ishiswa ngelangabi elivulekile, izinga lokushisa eliphezulu noma ilangabi elivulekile. Ngesikhathi sokusetshenziswa noma ukugcinwa, kufanele kugcinwe kude namalangabi avulekile nemithombo yokushisa, futhi kubekwe endaweni enomoya omuhle. Uma kuvuza ngengozi, kufanele kuthathwe izinyathelo zokuphepha ezidingekayo kusenesikhathi, njengokugqoka amagilavu ​​okuvikela nama-respirators, ukuvimbela ukuthintana nesikhumba kanye nokuhogela umhwamuko. Gwema ukuthintana nezinto ezifana nama-oxidants aqinile, ama-asidi aqinile nezisekelo eziqinile ukuze uvimbele ukusabela okuyingozi. Lapho uphatha futhi uthutha, izinqubo ezifanele zokusebenza eziphephile kufanele zibhekwe, futhi inani lokuxhumana nomzimba womuntu kufanele lilawulwe ngokuqinile.


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