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2-Bromo-5-chlorobenzoic acid (CAS # 21739-93-5)

Chemical Property:

Molecular Formula C7H4BrClO2
Molar Mass 235.46 Nws
Qhov ntom 1.809 ± 0.06 g / cm3 (Tshaj tawm)
Melting Point 153-157 ° C
Boling Point 318.8 ± 27.0 ° C (Tshaj tawm)
Flash Point 146.6°C dej
Dej Solubility Insoluble hauv dej
Vapor Siab 0.000148mmHg ntawm 25 ° C
Qhov tshwm sim Khoom
Xim Dawb rau lub teeb daj
BRN 244261 ib
pKa 2.48 ± 0.10 (Tshaj tawm)
Kev cia khoom Muab kaw rau hauv qhuav, Chav Kub
MDL TIAB SA 00013982
Physical thiab Chemical Properties siv lead ua dawb. Melting point 154-156 ° C.

Product Detail

Khoom cim npe

Risk Codes R22 - Ua phem yog tias nqos
R50/53 - Muaj tshuaj lom heev rau cov kab mob hauv dej, tuaj yeem ua rau muaj kev cuam tshuam ntev hauv cov dej hauv dej.
Kev nyab xeeb piav qhia S60 - Cov khoom no thiab nws lub thawv yuav tsum tau muab pov tseg raws li cov khoom pov tseg.
S61 - Tsis txhob tso tawm rau ib puag ncig. Xa mus rau cov lus qhia tshwj xeeb / cov ntaub ntawv kev nyab xeeb.
UN IDs UN 2811 6.1/PG 3
WGK Germany 3
HS Code 291639 0
Kev Ceeb Toom Irritant
Hazard Class 6.1
Packing Group III

 

Taw qhia

2-Bromo-5-chlorobenzoic acid yog cov organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm cov khoom sib xyaw:

 

Zoo:

2-Bromo-5-chlorobenzoic acid yog cov khoom sib xyaw. Nws siv daim ntawv dawb los yog daj crystals ntawm chav tsev kub. Nws muaj thermal stability zoo thiab tuaj yeem nyob ruaj khov ntawm qhov kub thiab txias. Lub compound muaj ib tug siab solubility nyob rau hauv cov organic solvents.

 

Siv:

2-Bromo-5-chlorobenzoic acid feem ntau yog siv los ua ib qho tseem ceeb tshuaj nruab nrab hauv cov organic synthesis.

 

Txoj kev:

2-Bromo-5-chlorobenzoic acid feem ntau yog npaj los ntawm bromination thiab chlorination ntawm benzoic acid. Benzoic acid ua ntej reacts nrog bromine thiab sulfurous acid los tsim bromine benzoate, thiab ces reacts nrog ferric chloride kom tau 2-bromo-5-chlorobenzoic acid.

 

Cov ntaub ntawv kev nyab xeeb:

2-Bromo-5-chlorobenzoic acid yog cov organic compound uas yuav ua rau muaj kev pheej hmoo rau tib neeg thiab ib puag ncig. Kev nthuav tawm los yog nqus tau cov khoom xyaw tuaj yeem ua rau khaus ntawm qhov muag, tawv nqaij, thiab ua pa. Cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes, daim npog ntsej muag, thiab cov looj tsom iav tiv thaiv yuav tsum hnav thaum ua haujlwm. Nws yuav tsum tau siv thiab khaws cia rau hauv qhov chaw zoo, kom deb ntawm hluav taws thiab deb ntawm oxidants. Txhua qhov kev sib cuag lossis kev sib tsoo yuav tsum tau kho tam sim ntawd thiab yuav tsum tau txais cov lus qhia kho mob. Cov txheej txheem kev nyab xeeb kev ua haujlwm yuav tsum tau ua raws li thaum tuav cov khoom sib xyaw no.


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