2 3-Diamino-5-bromopyridine (CAS # 38875-53-5)
| Risk Codes | R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R34 - Ua rau kub hnyiab |
| 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. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.) S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. |
| WGK Germany | 3 |
| HS Code | 293339 0 |
| Kev Ceeb Toom | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
Taw qhia
5-Bromo-2,3-diaminopyridine yog cov organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- Cov tsos mob: 5-Bromo-2,3-diaminopyridine yog dawb rau lub teeb daj crystalline lossis crystalline hmoov.
- Solubility: Lub compound yog me ntsis soluble nyob rau hauv dej thiab muaj zoo solubility nyob rau hauv cov organic solvents.
Siv:
- 5-Bromo-2,3-diaminopyridine feem ntau yog siv los ua cov tshuaj reagent hauv cov tshuaj organic synthesis.
- Nws tuaj yeem siv los ua ib qho nruab nrab hauv kev sib txuas ntawm kev sib koom ua ke lossis catalysts.
Txoj kev:
Kev npaj ntawm 5-bromo-2,3-diaminopyridine tuaj yeem ua tiav los ntawm cov kauj ruam hauv qab no:
1. Dissolve 2,3-diaminopyridine hauv dilute hydrochloric acid ua ntej.
2. Sodium nitrite ces muab ntxiv los ua cov tshuaj nitroso.
3. Nyob rau hauv dej khov dej da dej, poov tshuaj bromide yog ntxiv rau daim ntawv 5-bromo-2,3-diaminopyridine.
Cov ntaub ntawv kev nyab xeeb:
- 5-Bromo-2,3-diaminopyridine yog ib qho organic compound uas yuav tsum tau khaws cia thiab siv kom zoo kom tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
- Thaum ua haujlwm, yuav tsum muaj kev ntsuas kev nyab xeeb zoo hauv chav kuaj, xws li hnav cov khoom tiv thaiv tsim nyog (xws li, hnab looj tes, tsom iav, lub tsho (lab), thiab lwm yam).
- Tuav cov khoom sib xyaw ua ke kom tsis txhob muaj kev phom sij los ntawm kev nqus, nqus, lossis tiv tauj.
Hauv kev tshawb fawb thiab kev sim tshuaj, nws yog ib qho tseem ceeb uas yuav tau ua txoj haujlwm zoo ntawm kev tswj xyuas kev nyab xeeb hauv chav kuaj thiab ua haujlwm raws li cov lus qhia ntawm cov kws tshaj lij.
