2-Chloro-3-amino-5-bromopyridine (CAS # 588729-99-1)
| Risk Codes | R25 - Toxic yog nqos R37/38 - Kab mob ua pa thiab tawv nqaij. R41 - Riam phom loj rau qhov muag R22 - Ua phem 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. S39 - Hnav qhov muag / ntsej muag tiv thaiv. 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.) |
| UN IDs | 2811 ib |
| WGK Germany | 3 |
| HS Code | 293339 0 |
| Hazard Class | IRRITANT |
| Packing Group | Ⅲ |
Taw qhia
2-Chloro-3-amino-5-bromopyridine yog cov organic compound. Cov hauv qab no yog cov lus qhia luv luv rau nws qhov xwm txheej, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- Zoo li: Dawb mus daj daj crystals
- Solubility: Soluble hauv chloroform thiab ethanol, me ntsis soluble hauv dej
Siv:
- Cov compound tseem tuaj yeem siv los ua cov catalyst hauv cov organic synthesis thiab ua lub luag haujlwm tseem ceeb hauv kev sib txuas ntawm lwm cov organic tebchaw.
Txoj kev:
- Cov synthesis ntawm 2-chloro-3-amino-5-bromopyridine feem ntau yog ua los ntawm kev siv cov tshuaj chlorination-bromination. Nws yog npaj los ntawm reacting 3-amino-4-bromopyridine nrog cov tshuaj chlorinating (xws li phosphorus trichloride, sulfuryl chloride, thiab lwm yam).
Cov ntaub ntawv kev nyab xeeb:
- 2-Chloro-3-amino-5-bromopyridine yog ib yam tshuaj thiab yuav tsum tau ceev faj kom tsim nyog xws li hnav hnab looj tes tshuaj thiab qhov ncauj qhov ntswg.
- Thaum siv thiab khaws cia, tiv tauj nrog oxidants, muaj zog acids, thiab muaj zog alkalis yuav tsum raug zam kom tsis txhob muaj kev phom sij txaus ntshai.
- Nws tuaj yeem yog cov tshuaj uas hnyav rau ntawm daim tawv nqaij, qhov muag, thiab ua pa, thiab yuav tsum tau yaug nrog dej tam sim ntawd tom qab kev sib cuag nrog nws thiab yuav tsum tau nrhiav kev kho mob.
