4-Phenylbenzophenone (CAS # 2128-93-0)
| Risk Codes | R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. S36 - Hnav khaub ncaws tiv thaiv zoo. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. |
| WGK Germany | 3 |
| RTECS | PC4936800 |
| TSCA | Yog lawm |
| HS Code | 291439 0 |
| Kev Ceeb Toom | Irritant |
Taw qhia
Biphenybenzophenone (tseem hu ua benzophenone lossis diphenylketone) yog cov organic compound. Nws yog dawb crystalline nyob rau hauv chav tsev kub thiab muaj ib tug tshwj xeeb aromatic tsw.
Ib qho tseem ceeb ntawm kev siv biphenybenzophenone yog ib qho tseem ceeb reagent nyob rau hauv cov organic synthesis. Biphenybenzophenone tuaj yeem siv los ua cov tshuaj fluorescent reagent thiab laser dye.
Kev npaj ntawm biphenybenzophenone tuaj yeem tsim los ntawm Grignard cov tshuaj tiv thaiv siv acetophenone thiab phenyl magnesium halides. Cov tshuaj tiv thaiv ntawm txoj kev no yog me me thiab tawm los yog siab.
Nws yog flammable thiab tiv tauj nrog hluav taws qhov chaw yuav tsum tau zam. Thaum ua haujlwm, yuav tsum tau ntsuas kev nyab xeeb tsim nyog, xws li hnav cov tsom iav thiab hnab looj tes, thiab ua kom muaj cua zoo. Qhov tseem ceeb tshaj plaws, biphenybenzophenone yuav tsum muab cia rau hauv qhov chaw qhuav, txias, qhov cua, kom deb ntawm hluav taws thiab oxidants.
