4-Iodo-3-nitrobenzoic acid (CAS # 35674-27-2)
| 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 | S22 - Tsis txhob nqus plua plav. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. |
Taw qhia
4-Iodo-3-nitrobenzoic acid yog cov organic compound nrog cov tshuaj formula C7H4INO4. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
-Cov tsos mob: 4-Iodo-3-nitrobenzoic acid yog daj crystalline hmoov.
- Melting point: txog 230 ° C.
-Solubility: Soluble nyob rau hauv ethanol, ether thiab chloroform, insoluble nyob rau hauv dej.
Siv:
- 4-Iodo-3-nitrobenzoic acid feem ntau yog siv los ua ib qho nruab nrab hauv cov organic synthesis.
-Nws yog ib qho tseem ceeb raw khoom rau synthesis ntawm tshuaj thiab tshuaj tua kab.
-Nws tseem tuaj yeem siv rau kev sib txuas ntawm lub teeb emitting txheej hauv cov khoom siv electroluminescent (OLED).
Txoj Kev Npaj:
Muaj ntau txoj hauv kev rau kev npaj ntawm 4-Iodo-3-nitrobenzoic acid, ib qho ntawm feem ntau siv los ntawm nitration ntawm iodobenzoic acid. Cov kauj ruam npaj tshwj xeeb yog raws li hauv qab no:
1. dissolve iodobenzoic acid nyob rau hauv concentrated nitric acid.
2. Maj mam ntxiv cov concentrated sulfuric acid ntawm qhov kub thiab txias thiab do cov tshuaj tiv thaiv.
3. Tom qab cov tshuaj tiv thaiv tau ua tiav rau lub sijhawm, cov khoom hauv cov tshuaj tiv thaiv yog sib cais los ntawm kev pom lossis crystallization.
4. 4-Iodo-3-nitrobenzoic acid thaum kawg tau ntxuav los ntawm kev ntxuav nrog cov kuab tshuaj tsim nyog thiab crystallization.
Cov ntaub ntawv kev nyab xeeb:
- 4-Iodo-3-nitrobenzoic acid yog cov organic compound. Kev tiv thaiv tus kheej yuav tsum tau ua thaum siv nws, xws li hnav hnab looj tes thiab tsom iav qhov muag.
-Cov compound yog corrosive rau ib qho twg, zam kev sib cuag ntawm daim tawv nqaij thiab nqus tau pa.
-Thaum lub sijhawm ua haujlwm, ua tib zoo saib kom tsis txhob sib cuag nrog cov oxidants muaj zog thiab txo cov neeg ua haujlwm kom tsis txhob muaj kev phom sij txaus ntshai.
- Thaum lub sij hawm cia, nws yuav tsum tau muab cia rau hauv qhov chaw txias, qhuav, zoo-ventilated qhov chaw, sib cais los ntawm cov nplaim taws thiab combustibles.
-Yog tias muaj kev sib cuag, tam sim ntawd yaug qhov chaw cuam tshuam nrog dej ntau thiab nrhiav kev pab kho mob.
