isibhengezo_sekhasi

umkhiqizo

I-Ethyl tiglate(CAS#5837-78-5)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H12O2
I-Molar Mass 128.17
Ukuminyana 0.923 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -62.68°C (isilinganiso)
I-Boling Point 154-156 °C (okhanyisiwe)
I-Flash Point 112°F
Inombolo ye-JECFA 1824
I-Vapor Presure 4.27mmHg ku-25°C
Ukubukeka uketshezi olucacile
Umbala Ayinambala kuya Cishe ayinambala
I-Merck 14,9433
I-BRN 1720895
Isimo Sesitoreji Indawo evuthayo
Ukuzinza Izinzile. Okuvutha umlilo. Akuhambisani nama-oxidizing agents aqinile, izisekelo eziqinile.
I-Refractive Index n20/D 1.435(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi olungenambala kuya kokuphuzi ngokukhanyayo, olunephunga elifana nekhowe. Iphuzu lokubilisa 156 °c. Ukuminyana okuhlobene (d416.8)0.9239, inkomba ye-refractive (nD16.8)1.4347. Incibilika kancane emanzini, inyibilika kuzincibilikisi eziningi eziphilayo.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi 10 - Ukuvutha
Incazelo Yokuphepha S16 – Zigcine kude nemithombo yokuthungela.
S27 – Khumula ngokushesha zonke izingubo ezingcolile.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
Ama-ID e-UN UN 3272 3/PG 3
I-WGK Germany 2
I-RTECS EM9252700
I-TSCA Yebo
Ikhodi ye-HS 29161900
I-Hazard Class 3
Iqembu Lokupakisha III

 

Isingeniso

(E)-2-methyl-2-butyrate ethyl ester (eyaziwa nangokuthi i-butyl ethyl hyaluronate) iyinhlanganisela yezinto eziphilayo. Nalu ulwazi:

 

Ikhwalithi:

(E)-2-methyl-2-butyrate ethyl ester uketshezi olungenambala olunephunga elifana nesithelo. Iguquguquka ngokulingene futhi i-hydrophobic.

 

Ukusetshenziswa: Ngokuvamile kusetshenziselwa ukwenza ulamula, uphayinaphu nezinye izinambitheka zesithelo. Ingasetshenziswa futhi njengesithako ezintweni ezithambisayo, zokuhlanza, nezinye izinto ezisetshenziswayo.

 

Indlela:

(E) -2-methyl-2-butyrate ethyl ester ingatholwa ngokusabela kwe-methacrylic acid (noma i-methyl methacrylate) ne-n-butanol phambi kwe-catalyst ye-asidi (isb, i-sulfuric acid). Ingxube ewumphumela ingasulwa (ukukhipha ukungcola) futhi ihlukaniswe ukuze kukhiqizwe umkhiqizo omsulwa.

 

Ulwazi Lokuphepha:

(E)-2-methyl-2-butyrate ethyl ester iwuketshezi oluvuthayo futhi kufanele igcinwe kude nomlilo namazinga okushisa aphezulu. Ukuhogela umhwamuko nokuthintana nesikhumba noma amehlo kufanele kugwenywe ngesikhathi sokuhlinzwa. Lapho kusetshenziswa, amagilavu ​​okuzivikela afanelekile, izibuko zokuphepha, nezingubo zokuzivikela kufanele zigqokwe. Uma uthintana ngephutha noma uhogele umoya, sebenzisa usizo lokuqala futhi ufune usizo lwezokwelapha ngokushesha.


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