isibhengezo_sekhasi

umkhiqizo

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

Isakhiwo Samakhemikhali:

I-Molecular Formula C5H8O
I-Molar Mass 84.12
Ukuminyana 0.904 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point -24.1°C (isilinganiso)
I-Boling Point 154-155 °C (okhanyisiwe)
I-Flash Point 143°F
Ukuncibilika kwamanzi Hlanganisa namanzi.
Ukuncibilika I-Chloroform, iMethanol
I-Vapor Presure 1.2mmHg ku-25°C
Ukubukeka Uketshezi
I-Gravity ethize 0.904
Umbala Okuphuzi okucacile
I-BRN 1736712
pKa 14.81±0.10(Okubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, emkhathini ongenayo, 2-8°C
I-Refractive Index n20/D 1.445(lit.)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
Ama-ID e-UN 1987
I-WGK Germany 3
AMAKHODI E-FLUKA BRAND F 10
Ikhodi ye-HS 29052900
I-Hazard Class 3.2
Iqembu Lokupakisha III

 

Isingeniso

I-4-Pentyny-1-ol, eyaziwa nangokuthi i-hexynyl alcohol. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-4-pentynyn-1-ol:

 

Ikhwalithi:

I-4-Pentoyn-1-ol iwuketshezi olungenambala ukuya kokuphuzi olunephunga elingavamile. Kuyinhlanganisela engazinzile ejwayele ukwenza i-polymerize noma isabele ngokwayo.

 

Sebenzisa:

I-4-Pentyne-1-ol inezakhiwo ze-alkyne futhi ingasetshenziswa ekuhlanganiseni ezinye izinhlanganisela eziphilayo. Ivame ukusetshenziswa njengendawo ephakathi ku-organic synthesis futhi ingasetshenziswa ukulungisa ama-ethers, esters, aldehydes nezinye izinhlanganisela.

 

Indlela:

Kunezindlela eziningana zokulungisa i-4-pentin-1-ol. Indlela evamile iwukusabela i-1,2-dibromoethane nge-sodium ethanol ukukhiqiza i-pentynylethanol, bese ulungiselela i-4-pentyn-1-ol ngokusebenzisa ukusabela kwe-hydrogenation.

 

Ulwazi Lokuphepha:

I-4-Pentoyn-1-ol ayizinzile futhi ijwayele ukuziphendulela, futhi idinga ukuphathwa ngokucophelela lapho iphathwa. Iyakwazi ukuvutha futhi ijwayele ukuxubana ngeziqhumane lapho ichayeke emalangabini avulekile noma amazinga okushisa aphezulu. Ukuthinta isikhumba noma amehlo kungase kubangele ukuvuvukala nokucasuka, futhi izinyathelo zokuzivikela ezinjengamagilavu ​​nezibuko kufanele zithathwe lapho kwenziwa kanjalo. Sebenza endaweni engenawo umoya futhi kude nomlilo. Uma uhogele umoya noma udliwe, funa usizo lwezokwelapha ngokushesha. Sicela ulandele izinqubo zokusebenza eziphephile ukuze usebenzise ngendlela efanele.


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