4-Ethylpyridine (CAS # 536-75-4)
| 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. |
| 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. |
| UN IDs | UN 2924 3/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODE | 8 |
| TSCA | Yog lawm |
| HS Code | 2933399 ib |
| Hazard Class | 3 |
| Packing Group | III |
Taw qhia
4-Ethylpyridine yog ib qho organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 4-ethylpyridine:
Zoo:
- Cov tsos mob: tsis muaj xim tsis muaj kua lossis crystalline khoom.
- Solubility: Soluble nyob rau hauv feem ntau cov organic solvents, insoluble nyob rau hauv dej.
Siv:
- Raws li cov kuab tshuaj: 4-ethylpyridine muaj solubility zoo thiab feem ntau yog siv los ua cov kuab tshuaj los yog cov tshuaj tiv thaiv nruab nrab, tshwj xeeb tshaj yog nyob rau hauv cov organic synthesis, uas tuaj yeem txhawb kev nce qib ntawm cov tshuaj tiv thaiv.
- Catalyst: 4-ethylpyridine kuj tseem siv tau los ua ib qho catalyst rau qee yam kev cuam tshuam cov organic, xws li Grignard reagent cov tshuaj tiv thaiv thiab cov tshuaj tiv thaiv hydrogenation.
Txoj kev:
- 4-Ethylpyridine tuaj yeem npaj tau los ntawm cov tshuaj tiv thaiv ntawm 2-ethylpyridine thiab ethyl acetate, feem ntau nyob rau hauv cov xwm txheej alkaline.
Cov ntaub ntawv kev nyab xeeb:
- 4-Ethylpyridine ua rau khaus thiab ua rau khaus ntawm qhov muag, tawv nqaij, thiab ua pa. Hnav cov iav tiv thaiv tsim nyog thaum tuav thiab zam kev sib cuag ncaj qha nrog daim tawv nqaij, qhov muag, lossis nqus pa.
- Thaum siv lossis khaws cia, khaws 4-ethylpyridine kom deb ntawm qhov kub thiab txias.
- Thaum muab pov tseg, yuav tsum muab pov tseg raws li txoj cai hauv zos thiab cov kev cai kom tsis txhob muaj kuab paug ib puag ncig.
