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khoom

5-BROMO-6-HYDROXYNICOTINIC ACID (CAS # 41668-13-7)

Chemical Property:

Molecular Formula C6H4 NPO 3
Molar Mass 218
Qhov ntom 2.015 ± 0.06 g / cm3 (Kev kwv yees)
Melting Point > 300
Boling Point 348.1 ± 42.0 ° C (Predicted)
Flash Point 164.3°C dej
Vapor Siab 8.98E-06mmHg ntawm 25 ° C
Qhov tshwm sim Dawb khoom
Xim Dawb mus Yuav luag dawb
pKa 3.38 ± 0.50 (Tshaj tawm)
Kev cia khoom Muab kaw rau hauv qhuav, Chav Kub
Refractive Index 1.653 ib
MDL TIAB SA 08235173

Product Detail

Khoom cim npe

Risk Codes 22 – Ua phem yog nqos
HS Code 293339 0
Kev Ceeb Toom Khawv koob / Cia txias
Hazard Class IRRITANT

 

Taw qhia

5-Bromo-6-hydroxynicotinic acid yog cov organic compound nrog cov tshuaj formula C6H4BrNO3.

 

Lub compound yog nyob rau hauv daim ntawv ntawm ib tug tsis muaj kob los yog me ntsis daj khoom.

 

Nws cov khoom yog raws li nram no:

 

1. Solubility: 5-Bromo-6-hydroxynicotinic acid yog me ntsis soluble hauv dej thiab soluble nyob rau hauv ib co organic solvents xws li methanol thiab ethanol.

 

2. Melting point: Lub melting point ntawm lub compound yog hais txog 205-207 degrees Celsius.

 

3. Stability: 5-Bromo-6-hydroxynicotinic acid yog qhov ruaj khov ntawm chav tsev kub, tab sis nws yuav decompose nyob rau hauv qhov kub thiab txias.

 

Siv:

 

5-Bromo-6-hydroxyynicotinic acid feem ntau yog siv los ua ib qho tseem ceeb hauv nruab nrab ntawm cov organic synthesis thiab tuaj yeem siv los tsim lwm cov organic sib txuas. Nws kuj tseem muaj peev xwm ua haujlwm tshuaj thiab tuaj yeem siv rau hauv kev tshawb fawb thiab kev tsim kho tshuaj.

 

Txoj Kev Npaj:

 

Kev npaj ntawm 5-Bromo-6-hydroxynicotinic acid feem ntau yog ua tiav los ntawm bromination ntawm 6-hydroxynicotinic acid. 6-hydroxynicotinic acid tuaj yeem cuam tshuam nrog bromide nyob rau hauv cov xwm txheej yooj yim los tsim cov khoom xav tau.

 

Cov ntaub ntawv kev nyab xeeb:

 

Muaj cov ntaub ntawv txwv tsis pub muaj tshuaj lom thiab kev nyab xeeb ntawm 5-Bromo-6-hydroxyynicotinic acid. Kev ntsuas kev nyab xeeb tsim nyog yuav tsum tau ua thaum tuav thiab siv cov khoom sib xyaw, suav nrog cov hnab looj tes, qhov muag thiab cov khoom tiv thaiv ua pa. Tsis tas li ntawd, tag nrho cov txheej txheem kev nyab xeeb thiab cov kev cai yuav tsum tau ua raws.


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb