isibhengezo_sekhasi

umkhiqizo

2-Methyl-1-butanol(CAS#137-32-6)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H12O
I-Molar Mass 88.15
Ukuminyana 0.819g/mLat 20°C(lit.)
I-Melting Point −70°C(lit.)
I-Boling Point 130°Cmm Hg(lit.)
Ukuzungezisa Okuthile(α) -0.1+0.1°(20℃/D)(kucocekile)
I-Flash Point 110°F
Inombolo ye-JECFA 1199
Ukuncibilika kwamanzi 3.6 g/100 mL (30 ºC)
Ukuncibilika amanzi: ancibilika kancane3.6g/a00g ku-30°C
I-Vapor Presure 3 mm Hg (20 °C)
I-Vapor Density 3 (vs emoyeni)
Ukubukeka Uketshezi
Umbala Kucace kungenambala ukuya kokuphuzi kancane
I-Merck 14,6030
I-BRN 1718810
pKa 15.24±0.10(Okubikezelwe)
PH 7 (H2O)
Isimo Sesitoreji Gcina ngaphansi kuka +30°C.
Umkhawulo Oqhumayo 1.2-10.3%(V)
I-Refractive Index n20/D 1.411
Izakhiwo Zomzimba Nezamakhemikhali
Sebenzisa Isetshenziswa njenge-Intermediate yezemithi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi U-R10 – Uyavutha
R20 – Kuyingozi ngokuhogela umoya
R37 – Ukucasula uhlelo lokuphefumula
R66 – Ukuchayeka kaningi kungabangela ukomisa kwesikhumba noma ukuqhekeka
Incazelo Yokuphepha S46 – Uma ugwinywe, funa iseluleko sezokwelapha ngokushesha futhi ubonise lesi sitsha noma ilebula.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
Ama-ID e-UN UN 1105 3/PG 3
I-WGK Germany 3
I-RTECS EL5250000
I-TSCA Yebo
Ikhodi ye-HS 29051500
I-Hazard Class 3
Iqembu Lokupakisha III
Ubuthi I-LD50 ngomlomo kuNogwaja: 4170 mg/kg LD50 dermal Rabbit 2900 mg/kg

 

Isingeniso

I-2-Methyl-1-butanol iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo zayo, ukusetshenziswa kwayo, izindlela zokukhiqiza kanye nolwazi lokuphepha:

 

Ikhwalithi:

I-2-Methyl-1-butanol iwuketshezi olungenambala futhi inephunga elifana nelotshwala. Iyancibilika emanzini nasezinhlotsheni ezihlukahlukene zezinto eziphilayo.

 

Sebenzisa:

I-2-Methyl-1-butanol isetshenziswa kakhulu njengesixazululi nesimaphakathi. Isetshenziswa kabanzi embonini yamakhemikhali ekuphenduleni kwe-alkylation, ukusabela kwe-oxidation, nokusabela kwe-esterification, phakathi kokunye.

 

Indlela:

I-2-methyl-1-butanol ingatholakala ngokusabela i-2-butanol nge-chloromethane ngaphansi kwezimo ze-alkaline. Izinyathelo ezithile zokusabela ziwukuba uqale usabele i-2-butanol ngesisekelo ukukhiqiza usawoti we-phenol ohambisanayo, bese usabela nge-chloromethane ukuze ukhiphe i-ion ye-chlorine futhi uthole umkhiqizo oqondiwe.

 

Ulwazi Lokuphepha: Luwuketshezi oluvuthayo olungase lukhiqize umhwamuko, ngakho kufanele lugcinwe kude nomlilo namazinga okushisa aphezulu, futhi indawo enomoya omuhle kufanele igcinwe. Gwema ukuthinta isikhumba, amehlo, nolwelwesi lwamafinyila, futhi ugeze ngokushesha ngamanzi amaningi uma kwenzeka uthintana ngephutha. Lapho uphatha futhi ugcina, izinqubo ezifanele zokusebenza zokuphepha kufanele zibhekwe.


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