2-Amino-5-bromo-3-nitropyridine (CAS # 6945-68-2)
| Risk Codes | 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. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S22 - Tsis txhob nqus plua plav. |
| WGK Germany | 3 |
| HS Code | 2933399 ib |
| Hazard Class | IRRITANT |
Taw qhia
Nws yog ib qho organic compound. Nws muaj cov tshuaj formula C5H3BrN4O2 thiab molecular hnyav 213.01g/mol. Cov hauv qab no yog cov lus piav qhia ntawm cov khoom, kev siv, kev npaj thiab kev nyab xeeb cov ntaub ntawv ntawm lub compound:
Xwm:
-Zoo: Nws yog daj rau txiv kab ntxwv siv lead ua los yog hmoov;
- Melting point: txog 117-120 ° C;
-Solubility: Nws yog me ntsis soluble hauv dej thiab soluble hauv qee cov organic solvents xws li cawv, esters thiab ketones.
Siv:
-Drug synthesis: Nws feem ntau yog siv los ua ib qho nruab nrab ntawm cov organic synthesis thiab tuaj yeem siv los ua ke ntau yam tshuaj, dyes, tshuaj tua kab thiab lwm cov tshuaj.
Txoj Kev Npaj:
Muaj ntau ntau txoj kev npaj, thiab cov hauv qab no yog ib qho ntawm lawv:
1. Ua ntej, 3-bromo-5-nitropyridine reacted nrog ammonia kom tau 3-nitro-5-aminopyridine.
2. Qhov tshwm sim ntawm 3-nitro-5-aminopyridine yog tom qab ntawd rov ua dua nrog bromoalkane lossis acetyl kom tau txais cov khoom kawg.
Cov ntaub ntawv kev nyab xeeb:
Nws feem ntau muaj kev nyab xeeb thaum siv thiab khaws cia kom raug. Txawm li cas los xij, yuav tsum tau ceev faj hauv qab no:
- Hnav cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes, tsom iav thiab cov tsho tiv no;
-Tsis txhob sib cuag nrog daim tawv nqaij, qhov ncauj thiab qhov muag. Yog tias muaj kev sib cuag, yaug tam sim nrog dej ntau;
-Siv thiab khaws cov khoom sib xyaw rau hauv qhov chaw muaj cua zoo kom tsis txhob nqus cov pa lossis plua plav;
-Tsis txhob khaws lossis siv cov khoom sib xyaw nrog cov khoom siv hluav taws xob;
- Ua tib zoo nyeem thiab ua raws li kev tswj hwm kev nyab xeeb thiab kev pov tseg pov tseg ua ntej siv lossis pov tseg.
Thov nco ntsoov tias cov ntaub ntawv muab los saum toj no tsuas yog siv rau kev siv xwb, thiab qhov xwm txheej tshwj xeeb yuav tsum tau nkag siab ntxiv thiab lees paub raws li qhov xav tau tiag tiag.
