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

Chemical Property:

Molecular Formula C7H9N
Molar Misa 107.15
Kuchulukana 0.954 g/mL pa 25 °C (kuyatsa)
Melting Point -77 ° C
Boling Point 163-166 °C (kuyatsa)
Pophulikira 120 ° F
Nambala ya JECFA 1315
Kusungunuka kwamadzi 270.1g/L(196 ºC)
Kusungunuka mowa: kusungunuka momasuka
Kuthamanga kwa Vapor 2.42mmHg pa 25°C
Maonekedwe madzi oyera
Specific Gravity 0.954
Mtundu Zopanda mtundu mpaka pafupifupi zopanda mtundu
Merck 14,3848
Mtengo wa BRN 106479
pKa pK1:5.80(+1) (20°C)
Kukhazikika Wokhazikika. Zoyaka. Zosagwirizana ndi oxidizing amphamvu, zidulo amphamvu. Atha kukhala osamala chinyezi.
Zomverera Hygroscopic
Refractive Index n20/D 1.502(lit.)

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R10 - Yoyaka
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R34 - Imayambitsa kuyaka
R23/24/25 – Poizoni pokoka mpweya, kukhudzana ndi khungu komanso kummeza.
Kufotokozera Zachitetezo S16 - Khalani kutali ndi magwero oyatsira.
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36/37 - Valani zovala zoyenera zodzitchinjiriza ndi magolovesi.
S45 - Pakachitika ngozi kapena ngati simukumva bwino, funsani upangiri wachipatala nthawi yomweyo (onetsani chizindikirocho ngati kuli kotheka.)
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
Ma ID a UN UN 1993 3/PG 3
WGK Germany 3
TSCA Inde
HS kodi 29333990
Kalasi Yowopsa 3
Packing Group III

 

Mawu Oyamba

3-Ethylpyridine ndi organic pawiri. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chitetezo cha 3-ethylpyridine:

 

Ubwino:

Maonekedwe: Madzi opanda mtundu.

Kachulukidwe: pafupifupi. 0.89g/cm³.

Kusungunuka: kusungunuka mu zosungunulira organic monga ethanol ndi ether.

 

Gwiritsani ntchito:

Monga zosungunulira: ndi zabwino solubility katundu, 3-ethylpyridine nthawi zambiri ntchito monga zosungunulira mu kaphatikizidwe organic ndi monga zosungunulira ndi reagent mu organic synthesis zimachitikira.

Chizindikiro cha Acid-Base: 3-ethylpyridine ingagwiritsidwe ntchito ngati chizindikiro cha acid-base ndipo imathandizira kusintha kwamtundu wa acid-base titration.

 

Njira:

3-Ethylpyridine imatha kupangidwa kuchokera ku ethylated pyridine. Njira yodziwika bwino ndikuchita pyridine ndi ethylsulfonyl chloride kupanga 3-ethylpyridine.

 

Zambiri Zachitetezo:

Chisamaliro chiyenera kutengedwa kuti chiteteze kukhudzana ndi khungu ndi maso pakugwira ntchito kwa 3-ethylpyridine, ndikuwonetsetsa kuti ikugwiritsidwa ntchito pamalo abwino mpweya wabwino kuti asapumedwe ndi nthunzi yake.

Ngati mwangokumana ndi 3-ethylpyridine, muyenera kutsuka ndi madzi ambiri ndikupita kuchipatala mwachangu.

3-Ethylpyridine iyenera kusungidwa mu chidebe chopanda mpweya, kutali ndi kutentha kwakukulu ndi magwero oyatsira.


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