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mankhwala

pent-4-yn-1-ol (CAS# 5390-04-5)

Chemical Property:

Molecular Formula C5H8O
Molar Misa 84.12
Kuchulukana 0.904 g/mL pa 25 °C (kuyatsa)
Melting Point -24.1°C (kuyerekeza)
Boling Point 154-155 ° C (kuyatsa)
Pophulikira 143°F
Kusungunuka kwamadzi Kusakaniza ndi madzi.
Kusungunuka Chloroform, Methanol
Kuthamanga kwa Vapor 1.2mmHg pa 25°C
Maonekedwe Madzi
Specific Gravity 0.904
Mtundu Yellow yoyera
Mtengo wa BRN 1736712
pKa 14.81±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, mumlengalenga, 2-8 ° C
Refractive Index n20/D 1.445(lit.)

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa 36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso
Ma ID a UN 1987
WGK Germany 3
FLUKA BRAND F CODES 10
HS kodi 29052900
Kalasi Yowopsa 3.2
Packing Group III

 

Mawu Oyamba

4-Pentyny-1-ol, yomwe imadziwikanso kuti hexynyl mowa. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha 4-pentynyn-1-ol:

 

Ubwino:

4-Pentoyn-1-ol ndi madzi opanda mtundu mpaka achikasu okhala ndi fungo lachilendo. Ndi gulu losakhazikika lomwe limakonda kupanga polymerize kapena kuchita palokha.

 

Gwiritsani ntchito:

4-Pentyne-1-ol ili ndi katundu wa alkyne ndipo ingagwiritsidwe ntchito popanga zinthu zina zakuthupi. Nthawi zambiri amagwiritsidwa ntchito ngati wapakatikati mu kaphatikizidwe ka organic ndipo angagwiritsidwe ntchito pokonzekera ethers, esters, aldehydes ndi mankhwala ena.

 

Njira:

Pali njira zingapo zokonzekera 4-pentin-1-ol. Njira yodziwika bwino ndikuchita 1,2-dibromoethane ndi sodium ethanol kupanga pentynylethanol, ndiyeno kukonzekera 4-pentin-1-ol kudzera mu hydrogenation reaction.

 

Zambiri Zachitetezo:

4-Pentoyn-1-ol ndi yosakhazikika komanso yokonda kudzikonda, ndipo imayenera kusamaliridwa mosamala pogwira. Imatha kuyaka komanso sachedwa kuphatikizika ndi kuphulika ikayatsidwa ndi malawi otseguka kapena kutentha kwambiri. Kukhudza khungu kapena maso kungayambitse kutupa ndi kupsa mtima, ndipo njira zodzitetezera monga magolovesi ndi magalasi ziyenera kuchitidwa potero. Gwirani ntchito pamalo olowera mpweya wabwino komanso kutali ndi moto. Ngati mutakoka mpweya kapena kumeza, pitani kuchipatala mwamsanga. Chonde tsatirani njira zotetezedwa kuti mugwiritse ntchito moyenera.


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