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

Ipropati yeMichiza:

Ifomula yeemolekyuli C7H9N
IMisa yeMolar 107.15
Ukuxinana 0.954 g/mL ku-25 °C (lit.)
Indawo yokunyibilika -77 °C
Indawo yeBoling 163-166 °C (isibane.)
Indawo yokuflasha 120°F
Inombolo yeJECFA 1315
Ukunyibilika kwamanzi 270.1g/L(196 ºC)
Ukunyibilika utywala: ngokukhululekileyo ukunyibilika
Uxinzelelo loMphunga 2.42mmHg ku-25°C
Imbonakalo ulwelo olucacileyo
Ubunzima obuthile 0.954
Umbala Ayinambala ukuya Phantse ayinambala
Merck 14,3848
I-BRN 106479
pKa pK1:5.80(+1) (20°C)
Uzinzo Izinzile. Ukutsha. Ayihambelani ne-oxidizing agents enamandla, i-acids eqinile. Isenokuba buthathaka.
Inovakalelo Hygroscopic
Refractive Index n20/D 1.502(lit.)

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R10-Inokutsha
R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu.
I-R34 – Ibangela ukutsha
I-R23/24/25 – Ityhefu ngokuphefumla, xa udibana nesikhumba naxa uginyiwe.
Inkcazelo yoKhuseleko S16 – Gcina kude kwimithombo yomlilo.
S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S36/37 – Nxiba iimpahla ezifanelekileyo zokukhusela kunye neeglavu.
S45 - Kwimeko yengozi okanye ukuba uziva ungaphilanga, funa iingcebiso zonyango ngokukhawuleza (bonisa ileyibhile nanini na kunokwenzeka.)
S36/37/39 – Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokukhusela amehlo/ubuso.
Izazisi ze-UN UN 1993 3/PG 3
WGK eJamani 3
I-TSCA Ewe
Ikhowudi ye-HS 29333990
IKlasi yeeNgozi 3
Iqela lokuPakisha III

 

Intshayelelo

I-3-Ethylpyridine i-organic compound. Oku kulandelayo kukwazisa kwiipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi olukhuselekileyo lwe-3-ethylpyridine:

 

Umgangatho:

Imbonakalo: Ulwelo olungenambala.

Ubuninzi: malunga. 0.89 g/cm³.

Ukunyibilika: kunyibilika kwizinyibilikisi eziphilayo ezifana ne-ethanol kunye ne-ether.

 

Sebenzisa:

Njenge-solvent: kunye neempawu zayo ezilungileyo ze-solubility, i-3-ethylpyridine isoloko isetyenziswa njenge-solvent kwi-organic synthesis kunye ne-solvent kunye ne-reagent kwi-organic synthesis reactions.

Isalathisi se-Acid-base: I-3-ethylpyridine ingasetyenziselwa njengesalathisi se-acid-base kwaye idlala indima ekutshintsheni umbala kwi-acid-base titration.

 

Indlela:

I-3-Ethylpyridine inokwenziwa kwi-ethylated pyridine. Indlela eqhelekileyo kukusabela kwi-pyridine nge-ethylsulfonyl chloride ukuvelisa i-3-ethylpyridine.

 

Ulwazi ngoKhuseleko:

Ukunyamekela kufuneka kuthathwe ukuthintela ukudibanisa nolusu kunye namehlo ngexesha lokusebenza kwe-3-ethylpyridine, kwaye uqinisekise ukuba iqhutywe kwindawo enomoya ukuze ugweme ukuphefumla umphunga wayo.

Ukuba udibana ne-3-ethylpyridine ngengozi, kufuneka uhlambe ngokukhawuleza ngamanzi amaninzi kwaye ufune unyango ngokukhawuleza.

I-3-Ethylpyridine kufuneka igcinwe kwisitya esingenawo umoya, kude namaqondo okushisa aphezulu kunye nemithombo yokutshisa.


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