isibhengezo_sekhasi

umkhiqizo

3-Methyl-2-buten-1-ol (CAS#556-82-1)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H10O
I-Molar Mass 86.13
Ukuminyana 0.848g/mLat 25°C(lit.)
I-Melting Point 43.52°C
I-Boling Point 140°C(lit.)
I-Flash Point 110°F
Inombolo ye-JECFA 1200
Ukuncibilika kwamanzi 170 g/L (20 ºC)
Ukuncibilika 64g/l
I-Vapor Presure 1.4 mm Hg ( 20 °C)
Ukubukeka Uketshezi
Umbala Kucace kungenambala ukuya kokuphuzi kancane
I-BRN 1633479
pKa 14.83±0.10(Okubikezelwe)
Isimo Sesitoreji Ivalwe endaweni eyomile, engu-2-8°C
Umkhawulo Oqhumayo 2.7-16.3%(V)
I-Refractive Index n20/D 1.443(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Lo mkhiqizo uwuketshezi olusobala olungenambala, olunokunambitheka okuqinile kwe-Ester, B. p.140 ℃(52~56 ℃/2.67kpa),n20D 1.4160, ukuminyana okuhlobene 0.8240, okungancibiliki emanzini, kuncibilika otshwaleni, i-ether nezinye izinyibilikisi eziphilayo.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi U-R10 – Uyavutha
I-R22 – Iyingozi uma igwinywe
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R38 – Ukucasuka esikhunjeni
R21/22 – Kuyingozi ukuthinta isikhumba futhi uma ugwinyiwe.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36 – Gqoka izingubo ezifanele zokuzivikela.
S37 – Gqoka amagilavu ​​afanelekile.
S23 – Ungawuphefumuli umhwamuko.
S16 – Zigcine kude nemithombo yokuthungela.
Ama-ID e-UN UN 1987 3/PG 3
I-WGK Germany 1
I-RTECS EM9472500
I-TSCA Yebo
Ikhodi ye-HS 29052990
I-Hazard Class 3
Iqembu Lokupakisha III

 

Isingeniso

I-Isoprenol iyinhlanganisela yezinto eziphilayo. Iwuketshezi olungenambala olunephunga elimnandi. Okulandelayo yisingeniso kwezinye zezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha mayelana ne-isoprenol:

 

Ikhwalithi:

I-Isopentenol iyancibilika emanzini nakwezinye izincibilikisi eziphilayo ezifana notshwala nama-ether.

Inephunga elimnandi elinamandla futhi ingabangela ukucasuka noma ukusha lapho umhwamuko uhogela noma uthinta isikhumba.

Ukugxila okuphezulu kotshwala be-prenyl kungakha izingxube eziqhumayo.

 

Sebenzisa:

Ingasetshenziswa futhi ekulungiseni ama-coatings, ama-solvents, nama-dyes.

 

Indlela:

Indlela eyinhloko yokulungiselela i-isoprene alcohol itholakala ngokusabela kwe-epoxidation ye-isoprenene, evame ukukhishwa ngokusebenzisa i-hydrogen peroxide kanye nama-catalysts ane-acidic.

 

Ulwazi Lokuphepha:

I-Prenyl alcohol iyacasula futhi kufanele isetshenziswe ngegiya elifanele lokuvikela futhi igweme ukuthinta isikhumba namehlo.

Ukunakekela kufanele kuthathwe ukuze kugwenywe ukuthintana nama-oxidants, ama-asidi aqinile nezisekelo lapho kusetshenziswa noma kugcinwa i-isoprenol ukuze kugwenywe ukusabela okuyingozi.

I-Isopentenol ine-flash point ephansi kanye nomkhawulo wokuqhuma futhi kufanele igcinwe kude namalangabi avulekile nemithombo yokuthungela futhi isetshenziswe endaweni enomoya omuhle.

 


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