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mankhwala

4-Phenylbenzophenone (CAS# 2128-93-0)

Chemical Property:

Molecular Formula C19H14O
Molar Misa 258.31
Kuchulukana 1.0651 (kuyerekeza movutikira)
Melting Point 99-101°C(lat.)
Boling Point 419-420°C(kuyatsa)
Pophulikira 184.3°C
Kusungunuka kwamadzi 73.6μg/L pa 20 ℃
Kusungunuka Chloroform (Pang'ono), Methanol (Pang'ono, Kutenthedwa)
Kuthamanga kwa Vapor 0Pa pa 20 ℃
Maonekedwe Grayish crystalline ufa
Mtundu White mpaka Off-White
Mtengo wa BRN 1876092
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
Refractive Index 1.5500 (chiyerekezo)
MDL Mtengo wa MFCD00003079
Zakuthupi ndi Zamankhwala Malo osungunuka 99-103°C
Malo otentha 419-420 ° Ccrystalline pawiri.
Gwiritsani ntchito Amagwiritsidwa ntchito ngati intermediates mankhwala ndi photoinitiator

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R20/21/22 - Zowopsa pokoka mpweya, kukhudzana ndi khungu komanso kumeza.
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S24/25 - Pewani kukhudzana ndi khungu ndi maso.
S36 - Valani zovala zoyenera zodzitetezera.
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
WGK Germany 3
Mtengo wa RTECS PC4936800
TSCA Inde
HS kodi 29143990
Zowopsa Zokwiyitsa

 

Mawu Oyamba

Biphenybenzophenone (yomwe imadziwikanso kuti benzophenone kapena diphenylketone) ndi organic pawiri. Ndi woyera crystalline kutentha firiji ndipo ali ndi fungo lapadera fungo.

 

Chimodzi mwazinthu zazikulu zomwe zimagwiritsidwa ntchito ndi biphenybenzophenone ndi chinthu chofunikira kwambiri pakupanga organic. Biphenybenzophenone angagwiritsidwenso ntchito ngati fulorosenti reagent ndi laser utoto.

 

Kukonzekera kwa biphenybenzophenone kumatha kupangidwa ndi Grignard reaction pogwiritsa ntchito acetophenone ndi phenyl magnesium halides. Zimene zikhalidwe za njira imeneyi ndi wofatsa ndi zokolola ndi mkulu.

Ndi yoyaka ndipo kukhudzana ndi magwero moto ayenera kupewa. Pogwira ntchito, njira zotetezera ziyenera kuchitidwa, monga kuvala magalasi oteteza mankhwala ndi magolovesi, komanso kuonetsetsa kuti mpweya wabwino ukuyenda bwino. Chofunika kwambiri, biphenybenzophenone iyenera kusungidwa pamalo owuma, ozizira, opanda mpweya wabwino, kutali ndi moto ndi okosijeni.


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