6-Bromo-2-nitro-pyridin-3-ol (CAS # 443956-08-9)

Taw qhia

Nws yog ib qho organic compound nrog cov tshuaj formula C5H3BrN2O3. 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:

-Cov tsos mob: Crystal yog daj rau txiv kab ntxwv hmoov.

- Melting point thiab boiling point: Lub melting point ntawm lub compound yog hais txog 141-144 ° C, thiab lub boiling point yog tsis paub.

-Solubility: Nws muaj tsawg solubility hauv dej thiab tuaj yeem yaj hauv cov kuab tshuaj organic xws li chloroform, methanol thiab ether.

Siv:

- yog ib qho tseem ceeb ua ib qho nruab nrab hauv cov organic synthesis. Nws tuaj yeem siv los ua cov khoom siv hluavtaws rau tshuaj, tshuaj tua kab thiab lwm yam sib xyaw.

Txoj Kev Npaj:

-los yog tuaj yeem npaj tau los ntawm kev ua haujlwm pyridine nrog bromoacetic acid, thiab tom qab ntawd ua cov tshuaj nitration nyob rau hauv alkaline tej yam kev mob.

Cov ntaub ntawv kev nyab xeeb:

-Tej zaum yuav muaj teeb meem rau kev noj qab haus huv thaum sib cuag nrog daim tawv nqaij, qhov muag lossis los ntawm kev nqus pa. Kev nqus plua plav thiab kev sib cuag ntawm daim tawv nqaij yuav tsum zam. Hnav cov khoom tiv thaiv tus kheej tsim nyog thaum siv.

-Tsis txhob sib cuag nrog cov oxidants muaj zog, muaj zog acids thiab lwm yam khoom thaum lub sij hawm cia thiab tuav kom tsis txhob muaj kev phom sij txaus ntshai.

-Thaum siv thiab tuav cov khoom sib xyaw, ua raws li kev kuaj xyuas kom raug thiab cov txheej txheem kev ua haujlwm nyab xeeb.