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1 2 3 4 5-Pentamethylcyclopentadiene (CAS# 4045-44-7) Isithombe Esifakiwe
  • 1 2 3 4 5-Pentamethylcyclopentadiene (CAS# 4045-44-7) 1

1 2 3 4 5-Pentamethylcyclopentadiene (CAS# 4045-44-7)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C10H16
I-Molar Mass 136.23
Ukuminyana 0.87g/mLat 25°C(lit.)
I-Boling Point 58°C13mm Hg(lit.)
I-Flash Point 112°F
Ukuncibilika kwamanzi Ihlanganiswe ne-methanol. i-dichloromethane ne-ethyl acetate. Kuhlanganiswe kancane namanzi.
I-Vapor Presure 1.97mmHg ku-25°C
Ukubukeka Uketshezi
I-Gravity ethize 0.87
Umbala Kucace kungenambala ukuya kokuphuzi-owolintshi, kungase kube mnyama lapho kugcinwe khona
I-BRN 1849832
Isimo Sesitoreji Gcina ngaphansi kuka +30°C.
Ukuzinza esitolo kubanda
Kuyazwela Ukukhanya Okuzwelayo
I-Refractive Index n20/D 1.474(lit.)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi 10 - Ukuvutha
Incazelo Yokuphepha 16 - Gcina kude nemithombo yokuthungela.
Ama-ID e-UN UN 3295 3/PG 3
I-WGK Germany 3
AMAKHODI E-FLUKA BRAND F 9-23
Ikhodi ye-HS 29021990
I-Hazard Class 3
Iqembu Lokupakisha III

 

Isingeniso

I-1,2,3,4,5-Pentamethylcyclopentadiene (eyaziwa nangokuthi i-pentaheptadiene) iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo zayo, ukusetshenziswa kwayo, izindlela zokukhiqiza kanye nolwazi lokuphepha:

 

Ikhwalithi:

I-1,2,3,4,5-Pentamethylcyclopentadiene iwuketshezi olungenambala olunephunga elikhethekile. Ayiminyene kancane, ayincibiliki emanzini, futhi iyancibilika kuzincibilikisi ezivamile zemvelo.

 

Sebenzisa:

I-1,2,3,4,5-Pentamethylcyclopentadiene inezinhlobonhlobo zezinhlelo zokusebenza emkhakheni we-chemistry. Ingasetshenziswa njengento yokuqala futhi ephakathi ku-organic synthesis yokuhlanganiswa kwamanye ama-organic compounds.

 

Indlela:

I-1,2,3,4,5-Pentamethylcyclopentadiene ingahlanganiswa ngezindlela ezihlukahlukene. Izindlela zokulungiselela ezijwayelekile zihlanganisa lezi ezilandelayo:

Ukusabela nge-cyclopentene: i-cyclopentene nama-methylation reagents (njenge-methyl bromide) asetshenziselwa ukusabela ngaphansi kwezimo ze-alkaline ukukhiqiza i-1-methylcyclopentene, bese i-1,2,3,4,5-pentamethylcyclopentadiene ihlanganiswa ngokusabela kwe-methylation.

Ukusabela kokwakheka kwebhondi ye-carbon-carbon eyenziwe i-catalyst yensimbi.

 

Ulwazi Lokuphepha:

I-1,2,3,4,5-pentamethylcyclopentadiene inezingozi ezithile, futhi kuyadingeka ukunaka ukuphepha lapho uyisebenzisa. Nazi ezinye zezingozi zokuphepha ezingaba khona:

Iwuketshezi oluvuthayo futhi kufanele igcinwe kude namalangabi avulekile kanye nemithombo yokushisa ephezulu.

Gwema ukuhogela umhwamuko wawo, uwusebenzise endaweni engenawo umoya, futhi usebenzise izinto zokuzivikela ezifanele (isb., ukuvikela ukuphefumula).

Ingasabela ngobudlova ngama-oxidizing agents aqinile nama-asidi aqinile, okuholela emlilweni noma ukuqhuma.

 

Sicela usebenze ngokucophelela lapho uyisebenzisa futhi uyiphathe ngokuhambisana nezinqubo ezifanele zokusebenza zokuphepha.

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