3-AMINO-2-BROMO-5-CHLOROPYRIDINE (CAS # 90902-83-3)
| Risk Codes | R22 - Ua phem yog tias nqos R37/38 - Kab mob ua pa thiab tawv nqaij. R41 - Riam phom loj rau qhov muag |
| 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. |
| Kev Ceeb Toom | Irritant |
Taw qhia
Nws yog ib qho organic compound uas nws cov tshuaj formula yog C5H4BrClN2. Cov hauv qab no yog cov lus piav qhia ntawm nws qhov xwm txheej, kev siv, kev tsim thiab cov ntaub ntawv kev nyab xeeb:
Xwm:
-Zoo: Nws yog dawb crystalline khoom.
- Melting point: Nws melting point yog 58-62 degrees Celsius.
-Solubility: Nws yog soluble nyob rau hauv cov organic solvents (xws li ethanol, dimethyl sulfoxide thiab dimethyl formamide).
Siv:
-m tuaj yeem siv los ua qhov nruab nrab hauv cov organic synthesis rau kev sib txuas ntawm lwm cov organic sib txuas.
-Nws tseem tuaj yeem siv los ua cov khoom siv tseem ceeb hauv kev siv tshuaj tua kab thiab tshuaj.
Txoj kev: Kev npaj ntawm
-los yog tuaj yeem tau los ntawm pyridine ua qhov pib sib xyaw thiab los ntawm cov tshuaj lom neeg ntau.
-Txoj kev npaj tshwj xeeb txawv raws li qhov sib txawv, thiab tuaj yeem npaj tau los ntawm amination, bromination thiab chlorination cov tshuaj tiv thaiv.
Cov ntaub ntawv kev nyab xeeb:
-Tej zaum yuav muaj teeb meem rau tib neeg kev noj qab haus huv, yuav tsum tau saib xyuas kom tsis txhob nqus tau, tiv tauj lossis noj.
- Cov cuab yeej tiv thaiv tus kheej xws li hnab looj tes, tsom iav thiab daim npog ntsej muag yuav tsum hnav thaum ua haujlwm.
-Thaum muaj kev cia siab lossis raug rau qhov sib xyaw no, nrhiav kev kho mob tam sim lossis kev pab ntawm tus kws tshaj lij tswj tshuaj lom.
-Thaum khaws cia thiab tuav, thov ua raws li tag nrho cov txheej txheem kev nyab xeeb thiab kev tswj xyuas kom muaj kev nyab xeeb ntawm kev siv.
