2-Fluoro-3-methylpyridine (CAS # 2369-18-8)
| Risk Codes | R10 - Flammable 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. R1020/21/2236/37/38 - |
| 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 - Hnav khaub ncaws tiv thaiv zoo. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S16 - Khaws kom deb ntawm qhov chaw hluav taws xob. S16 26 36/37/39 - |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| HS Code | 293339 0 |
| Kev Ceeb Toom | Irritant |
| Hazard Class | IRRITANT, FLAMMABLE |
| Packing Group | Ⅲ |
Taw qhia
2-fluoro-3-methylpyrridine (2-fluoro-3-methylpyrridine) yog cov organic compound nrog cov tshuaj formula C6H6FN.
Xwm:
2-fluoro-3-methylpyridine yog cov kua tsis muaj xim uas muaj ntxhiab tsw. Nws yog volatile ntawm chav tsev kub thiab soluble nyob rau hauv organic solvents xws li ethanol thiab ether. Nws muaj qhov kub ntawm -31 ° C thiab kub ntawm 129 ° C.
Siv:
2-fluoro-3-methylpyridine muaj ntau yam kev siv hauv cov organic synthesis. Nws yog ib qho nruab nrab ntawm ntau lub tebchaw tseem ceeb thiab tuaj yeem siv los npaj ntau yam tshuaj, tshuaj tua kab thiab cov ntaub ntawv ua haujlwm.
Txoj kev:
Kev npaj ntawm 2-fluoro-3-methylpyriridine feem ntau tau txais los ntawm reacting pyridine nrog cov roj fluorine. Hauv ib kauj ruam tshwj xeeb, pyridine thiab fluorine roj tau hnov mob nrog lub catalyst nyob rau hauv qhov tsim nyog cov tshuaj tiv thaiv kom tau 2-fluoro-3-methylpyriridine.
Cov ntaub ntawv kev nyab xeeb:
2-fluoro-3-methylpyridine yog ib qho ua rau khaus thiab yuav ua rau khaus rau qhov muag, tawv nqaij, thiab ua pa. Thaum siv, yuav tsum tau saib xyuas kom tsis txhob muaj kev sib cuag nrog cov tawv nqaij thiab qhov muag, thiab ua kom muaj cua zoo. Thaum tuav thiab khaws cia, cov txheej txheem kev nyab xeeb yuav tsum tau ua raws li kom tsis txhob raug hluav taws kub thiab kub ib puag ncig. Thaum muaj kev sib cuag tsis raug, yaug tam sim nrog dej ntau thiab nrhiav kev pab kho mob.
