isibhengezo_sekhasi

umkhiqizo

I-Diphenylsilanediol; I-Diphenyldihydroxysilane (CAS#947-42-2)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C12H12O2Si
I-Molar Mass 216.31
Ukuminyana 0.87
I-Melting Point 144-147°C
I-Boling Point 353°C [760mmHg]
I-Flash Point 129°F
Ukuncibilika kwamanzi iyasabela
I-Vapor Presure 0Pa ku-25℃
I-Vapor Density >1 (vs air)
Ukubukeka Impushana
Umbala mhlophe
I-BRN 2523445
pKa 12.06±0.53(Okubikezelwe)
Isimo Sesitoreji Umkhathi ongenayo, izinga lokushisa legumbi
Ukuzinza Izinzile. Okuvuthayo. Akuhambisani nama-oxidizing agents aqinile.
Kuyazwela Kuyazwela Umoya Nokukhanya
I-Refractive Index 1.615
Izakhiwo Zomzimba Nezamakhemikhali Ikristalu yenaliti emhlophe. Iphuzu elincibilikayo 140-141 ℃ (ukubola kokulahlekelwa kwamanzi).
Sebenzisa Isetshenziswa njenge-ejenti yokulawula isakhiwo senjoloba ye-silicone, impahla eluhlaza yamafutha e-benzyl abicah kanye nokuphakathi kweminye imikhiqizo ye-silicon.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi F – Iyavutha
Amakhodi Engozi I-R11 – Ivutha Kakhulu
U-R10 – Uyavutha
Incazelo Yokuphepha S16 – Zigcine kude nemithombo yokuthungela.
S22 - Ungaphefumuli uthuli.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
S37 – Gqoka amagilavu ​​afanelekile.
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
Ama-ID e-UN UN 1325 4.1/PG 3
I-WGK Germany 1
I-RTECS VV3640000
I-TSCA Yebo
Ikhodi ye-HS 29319090
I-Hazard Class 4.1
Iqembu Lokupakisha III

 

Isingeniso

I-Diphenylsiliconediol (eyaziwa nangokuthi i-arylsilicondiol noma i-DPhOH) iyinhlanganisela ye-organosilicon.

 

Izici ezijwayelekile ze-diphenylsilicondiol zifaka:

1. Izinto ezibonakalayo: okuqinile okuyikristalu engenambala, kuncibilika kuzincibilikisi zemvelo ezifana ne-ethanol ne-dimethylformamide.

2. Izici zamakhemikhali: Ine-electrophilicity enhle futhi ingafinyela ngezinhlanganisela eziningi ezifana ne-acid chloride, ama-ketones, ama-esters, njll.

 

Ukusetshenziswa okuyinhloko kwe-diphenylsilicondiol kuhlanganisa:

1. I-Organic synthesis: i-electrophilicity yayo ingasetshenziswa njenge-reagent condensation yokukhiqiza ama-esters, ama-ethers, ama-ketones neminye imikhiqizo ehlosiwe ku-organic synthesis.

2. I-Material chemistry: Njenge-organosilicon intermediate, ingasetshenziswa ukulungisa ama-organosilicon polymers nama-polymers.

3. I-Surfactant: Ingasetshenziswa njengempahla eluhlaza ye-surfactant.

 

Indlela yokulungiselela i-diphenylsilicondiol ngokuvamile itholakala ngokusabela kwe-phenylsilyl hydrogen (PhSiH3) ngamanzi. Ama-catalyst ensimbi eguquguqukayo afana ne-palladium chloride (PdCl2) noma i-platinum chloride (PtCl2) avame ukusetshenziswa ekuphenduleni.

 

Ulwazi Lokuphepha: I-Diphenylsilicondiol iphephile uma kuqhathaniswa futhi ayinabo ubuthi ngaphansi kwezimo zokusetshenziswa ezijwayelekile. Kusadingeka ukulandela izimiso zokuphepha zamalabhorethri amakhemikhali avamile ngesikhathi sokusebenza, njengokugqoka izinto zokuzivikela, ukugwema ukuthintana nesikhumba namehlo, nokugwema ukuhogela noma ukukungenisa. Ukuze uthole ulwazi oluqondile lokuphepha kanye nezinyathelo zokuvikela, ishidi ledatha yezokuphepha noma iziqondiso ezifanele zokuphepha zenkomponi kufanele kuxhunyanwe nazo.


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