2-Fluoro-4-nitrotoluene (CAS # 1427-07-2)
Risk thiab Safety
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. R11 - Cov nplaim hluav taws kub heev |
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. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. |
UN IDs | UN 1325 4.1/PG 2 |
WGK Germany | 3 |
HS Code | 29049085 ib |
Kev Ceeb Toom | Irritant |
Hazard Class | 6.1 |
Packing Group | III |
2-Fluoro-4-nitrotoluene (CAS # 1427-07-2) Kev taw qhia
2-Fluoro-4-nitrotoluene yog cov organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, lub hom phiaj, kev tsim khoom, thiab cov ntaub ntawv kev nyab xeeb:
xwm:
-Cov tsos mob: 2-Fluoro-4-nitrotoluene yog cov hmoov daj daj lossis crystalline hmoov.
-Soluble: Nws dissolves nyob rau hauv cov organic solvents xws li ethanol thiab ether, thiab yog insoluble nyob rau hauv dej.
Lub hom phiaj:
-2-Fluoro-4-nitrotoluene yog ib qho tseem ceeb nruab nrab ntawm cov organic synthesis.
-Nws tseem tuaj yeem siv rau kev lag luam xws li cov neeg pib, cov tshuaj tua kab mob, thiab cov txheej txheej ntxiv.
Txoj kev tsim khoom:
Muaj ntau txoj hauv kev rau kev npaj 2-fluoro-4-nitrotoluene, thiab ib txoj kev siv feem ntau yog kom tau nws los ntawm fluorination thiab nitration ntawm toluene. Cov kauj ruam tshwj xeeb yog raws li nram no:
Reacting toluene nrog fluorinating tus neeg sawv cev (xws li hydrogen fluoride) ntawm qhov tsim nyog kub thiab cov tshuaj tiv thaiv yields 2-fluorotoluene.
Reacting 2-fluorotoluene nrog cov tshuaj nitration (xws li nitric acid) yields 2-fluoro-4-nitrotoluene.
Cov ntaub ntawv kev ruaj ntseg:
-2-Fluoro-4-nitrotoluene yog ib qho organic compound nrog qee yam tshuaj lom thiab muaj peev xwm ua rau tib neeg noj qab haus huv.
-Thaum nyob rau hauv kev sib cuag los yog nqus tau pa, yuav tsum tsis txhob kov ncaj qha rau ntawm daim tawv nqaij, qhov ncauj, thiab qhov muag. Kev ceev faj yuav tsum tau siv thiab cov cuab yeej tiv thaiv tus kheej tsim nyog xws li hnab looj tes, tsom iav, thiab qhov ncauj qhov ntswg yuav tsum hnav.
-Thaum khaws cia thiab siv, tsis txhob sib cuag nrog cov khoom siv hluav taws xob, kom deb ntawm qhov hluav taws kub thiab kub kub.
- Cov khib nyiab yuav tsum tau muab pov tseg kom raug raws li cov cai hauv cheeb tsam ib puag ncig thiab yuav tsum tsis txhob muab pov tseg tsis raug cai.