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umkhiqizo

3-Ethyl Pyridine (CAS#536-78-7)

Isakhiwo Samakhemikhali:

I-Molecular Formula C7H9N
I-Molar Mass 107.15
Ukuminyana 0.954 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -77 °C
I-Boling Point 163-166 °C (okhanyisiwe)
I-Flash Point 120°F
Inombolo ye-JECFA 1315
Ukuncibilika kwamanzi 270.1g/L(196 ºC)
Ukuncibilika utshwala: buncibilika ngokukhululekile
I-Vapor Presure 2.42mmHg ku-25°C
Ukubukeka uketshezi olucacile
I-Gravity ethize 0.954
Umbala Ayinambala kuya Cishe ayinambala
I-Merck 14,3848
I-BRN 106479
pKa pK1:5.80(+1) (20°C)
Ukuzinza Izinzile. Okuvutha umlilo. Akuhambisani nama-oxidizing agents aqinile, ama-acids aqinile. Kungase kuzwele umswakama.
Kuyazwela I-Hygroscopic
I-Refractive Index n20/D 1.502(lit.)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi U-R10 – Uyavutha
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R34 – Ibangela ukusha
R23/24/25 – Kunobuthi ngokuhogela, ukuthintana nesikhumba futhi uma ugwinywe.
Incazelo Yokuphepha S16 – Zigcine kude nemithombo yokuthungela.
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-S36/37 – Gqoka izingubo zokuzivikela ezifanele namagilavu.
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
Ama-ID e-UN UN 1993 3/PG 3
I-WGK Germany 3
I-TSCA Yebo
Ikhodi ye-HS 29333990
I-Hazard Class 3
Iqembu Lokupakisha III

 

Isingeniso

I-3-Ethylpyridine iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-3-ethylpyridine:

 

Ikhwalithi:

Ukubukeka: Uketshezi olungenambala.

Ukuminyana: cishe. 0.89 g/cm³.

Ukunyibilika: kuncibilika kuzincibilikisi eziphilayo njenge-ethanol ne-ether.

 

Sebenzisa:

Njenge-solvent: enezici zayo ezinhle zokuncibilika, i-3-ethylpyridine ivame ukusetshenziswa njenge-solvent ku-organic synthesis nanjenge-solvent kanye ne-reagent ekuphenduleni kwe-organic synthesis.

Inkomba ye-Acid-base: I-3-ethylpyridine ingasetshenziswa njengenkomba ye-acid-base futhi idlala indima ekushintsheni kombala ku-acid-base titration.

 

Indlela:

I-3-Ethylpyridine ingahlanganiswa ne-ethylated pyridine. Indlela evamile ukusabela kwe-pyridine nge-ethylsulfonyl chloride ukukhiqiza i-3-ethylpyridine.

 

Ulwazi Lokuphepha:

Kufanele kuqashelwe ukuvimbela ukuthintana nesikhumba namehlo ngesikhathi sokusebenza kwe-3-ethylpyridine, futhi kuqinisekiswe ukuthi iqhutshwa endaweni enomoya omuhle ukugwema ukuhogela komhwamuko wayo.

Uma uhlangana ne-3-ethylpyridine ngephutha, kufanele uhlanze ngokushesha ngamanzi amaningi futhi ufune usizo lwezokwelapha ngokushesha.

I-3-Ethylpyridine kufanele igcinwe esitsheni esingangeni moya, kude namazinga okushisa aphezulu kanye nemithombo yokuthungela.


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