isibhengezo_sekhasi

umkhiqizo

4-Ethyl Benzoic acid (CAS#619-64-7)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C9H10O2
I-Molar Mass 150.17
Ukuminyana 1.0937 (isilinganiso)
I-Melting Point 112-113°C(lit.)
I-Boling Point 271.51°C (isilinganiso)
I-Flash Point 125.1°C
Ukuncibilika I-Chloroform (Kancane), i-Methanol (Kancane)
I-Vapor Presure 0.00338mmHg ku-25°C
Ukubukeka Ikristalu elimhlophe
Umbala Okumhlophe kuya ku-beige
I-BRN 2041840
pKa pK1:4.35 (25°C)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index 1.5188 (isilinganiso)
I-MDL I-MFCD00002570
Izakhiwo Zomzimba Nezamakhemikhali Lo mkhiqizo uyikristalu emhlophe, mp112 ~ 113 ℃, awuncibiliki emanzini, uncibilika ku-benzene, toluene.
Sebenzisa Isetshenziswa njenge-liquid crystal raw materials and intermediates, ibuye isetshenziswe ekukhiqizeni izibulala-zinambuzane

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R36/37 – Ukucasula amehlo kanye nesistimu yokuphefumula.
Incazelo Yokuphepha S22 - Ungaphefumuli uthuli.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-WGK Germany 3
Ikhodi ye-HS 29163900
Inothi Lengozi Iyacasula

 

Isingeniso

Izici ze-p-ethylbenzoic acid: Iwuketshezi olungenambala noma oluphuzi olunephunga elimnandi elikhethekile. I-P-ethylbenzoic acid iyancibilika otshwaleni ne-ether futhi ayincibiliki emanzini.

 

Ukusetshenziswa kwe-p-ethylbenzoic acid: I-Ethylbenzoic acid ingasetshenziswa futhi ekulungiseni izinto zokumboza, oyinki, nodayi.

 

Indlela yokulungiselela i-p-ethylbenzoic acid:

Ukulungiswa kwe-p-ethylbenzoic acid kuvame ukwenziwa nge-catalytic oxidation ye-ethylbenzene nge-oxygen. I-transition metal oxides, njengama-catalysts e-molybdate, avame ukusetshenziselwa ama-catalyst. Ukusabela kwenzeka ezingeni lokushisa elilungile kanye nengcindezi yokukhiqiza i-p-ethylbenzoic acid.

 

Imininingwane yokuphepha ye-ethylbenzoic acid:

I-Ethylbenzoic acid inomphumela ocasulayo emehlweni nasesikhumbeni, futhi kufanele igezwe ngamanzi amaningi ngesikhathi lapho ithintana. Izinto zokuzivikela ezifanele ezifana nezibuko zokuphepha namagilavu ​​kufanele zigqokwe ngesikhathi sokusebenza. I-Ethylbenzoic acid kufanele igcinwe esitsheni esingangeni moya, kude nokushisa kanye nama-oxidants. Uma kunesidingo, kufanele isetshenziswe endaweni enomoya omuhle.


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