3-Amino-6-fluoro-2-methylpyridine (CAS # 28489-47-6)
Risk Codes | R22 - Ua phem yog tias nqos R37/38 - Kab mob ua pa thiab tawv nqaij. R41 - Riam phom loj rau qhov muag |
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. S39 - Hnav qhov muag / ntsej muag tiv thaiv. |
Hazard Class | IRRITANT |
Taw qhia
Nws yog ib qho organic compound nrog cov tshuaj formula C6H7FN2. Cov hauv qab no yog kev qhia txog qee yam ntawm nws cov khoom, kev siv, txoj kev thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
1. Cov tsos: Xim tsis muaj xim rau daj ntseg daj crystalline khoom.
2. Melting Point: txog 82-85 ℃.
3. Kub taw tes: Txog 219-221 ℃.
4. Solubility: Soluble nyob rau hauv feem ntau cov organic solvents xws li ethanol, ether thiab dichloromethane.
Siv:
Nws yog tsuas yog siv los ua ib qho nruab nrab hauv cov organic synthesis. Nws tuaj yeem siv los npaj ntau yam organic tebchaw, xws li tshuaj, tshuaj tua kab, dyes thiab ligands. Nws kuj tseem muaj peev xwm siv tus nqi hauv kev kho mob.
Txoj kev:
Feem ntau yog tau los ntawm reacting pyridine nrog fluorinating reagent thiab ib qho amino reagent rau cov tshuaj tiv thaiv methylation. Cov txheej txheem synthesis tshwj xeeb tuaj yeem hloov kho thiab txhim kho raws li qhov xav tau tiag tiag.
Cov ntaub ntawv kev nyab xeeb:
1. Tej zaum yuav ua rau qhov muag, tawv nqaij thiab ua pa. Kev siv yuav tsum ceev faj kom tsis txhob sib cuag.
2. Hnav cov khoom tiv thaiv tsim nyog xws li hnab looj tes, tsom iav kev nyab xeeb thiab lub ntsej muag tiv thaiv thaum ua haujlwm.
3. Tsis txhob nqus cov plua plav, pa taws thiab roj. Qhov chaw ua haujlwm yuav tsum muaj qhov cua zoo.
4. Yog tias muaj kev sib cuag lossis siv tsis raug, yuav tsum tau ntxuav tam sim lossis kho mob.