4-Bromophenol CAS Nr 106-41-2
| Risk Codes | R22 - Ua phem yog tias nqos R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. |
| Kev nyab xeeb piav qhia | S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S36 - Hnav khaub ncaws tiv thaiv zoo. |
| UN IDs | 2811 ib |
| WGK Germany | 2 |
| RTECS | SJ7960000 |
| FLUKA BRAND F CODE | 8-10-23 : kuv |
| TSCA | Yog lawm |
| HS Code | 29081000 ib |
| Kev Ceeb Toom | Irritant |
| Hazard Class | 6.1 (b) |
| Packing Group | III |
Taw qhia
Zoo:
Bromophenol yog cov xim tsis muaj xim lossis dawb crystalline khoom nrog ib qho tshwj xeeb phenolic tsw. Nws yog soluble nyob rau hauv cov organic solvents ntawm chav tsev kub thiab me ntsis soluble nyob rau hauv dej. Bromophenol yog ib qho tsis muaj zog acidic compound uas tuaj yeem nruab nrab ntawm cov hauv paus xws li sodium hydroxide. Nws tuaj yeem decompose thaum rhuab.
Siv:
Bromophenol feem ntau yog siv los ua ib qho tseem ceeb raw khoom thiab nruab nrab hauv cov organic synthesis. Bromophenol kuj tseem siv tau los ua tshuaj tua kab mob tua kab mob.
Txoj kev:
Muaj ob txoj hauv kev los npaj bromophenol. Ib qho yog npaj los ntawm cov tshuaj tiv thaiv ntawm benzene bromide thiab sodium hydroxide. Lwm qhov yog npaj los ntawm resorcinol los ntawm bromination. Txoj kev npaj tshwj xeeb tuaj yeem xaiv raws li koj xav tau.
Cov ntaub ntawv kev nyab xeeb:
Bromophenol yog ib yam tshuaj lom, thiab raug los yog nqus tau nws tej zaum yuav muaj kev phiv rau tib neeg noj qab haus huv. Thaum tuav bromophenol, yuav tsum tau ceev faj, xws li hnav hnab looj tes tiv thaiv, tsom iav thiab khaub ncaws tiv thaiv. Tsis txhob sib cuag nrog bromophenol ntawm daim tawv nqaij thiab ob lub qhov muag, thiab xyuas kom meej tias kev ua haujlwm tau ua tiav hauv qhov chaw muaj cua zoo. Thaum pov tseg cov pov tseg, cov kev cai ib puag ncig yuav tsum tau ua raws thiab cov seem bromophenol yuav tsum muab pov tseg kom raug. Kev siv thiab khaws cia ntawm bromophenol yuav tsum ua raws li cov cai thiab cov lus qhia.
