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umkhiqizo

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

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H4BrClO2
I-Molar Mass 235.46
Ukuminyana 1.809±0.06 g/cm3(Kubikezelwe)
I-Melting Point 153-157 °C
I-Boling Point 318.8±27.0 °C(Kubikezelwe)
I-Flash Point 146.6°C
Ukuncibilika kwamanzi Ayincibiliki emanzini
I-Vapor Presure 0.000148mmHg ku-25°C
Ukubukeka Okuqinile
Umbala Okumhlophe kuya kokuphuzi Okukhanyayo
I-BRN 2442261
pKa 2.48±0.10(Okubikezelwe)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-MDL I-MFCD00013982
Izakhiwo Zomzimba Nezamakhemikhali amakristalu amhlophe. Iphuzu lokuncibilika 154-156 °c.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R50/53 – Kunobuthi kakhulu ezintweni eziphila emanzini, kungabangela imiphumela emibi yesikhathi eside endaweni yasemanzini.
Incazelo Yokuphepha S60 – Le nto kanye nesiqukathi sayo kumele kulahlwe njengemfucuza eyingozi.
I-S61 - Gwema ukudedelwa endaweni. Bheka imiyalelo ekhethekile / amaphepha edatha okuphepha.
Ama-ID e-UN UN 2811 6.1/PG 3
I-WGK Germany 3
Ikhodi ye-HS 29163990
Inothi Lengozi Iyacasula
I-Hazard Class 6.1
Iqembu Lokupakisha III

 

Isingeniso

I-2-Bromo-5-chlorobenzoic acid iyinhlanganisela ephilayo. Okulandelayo yisethulo sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha kwenhlanganisela:

 

Ikhwalithi:

I-2-Bromo-5-chlorobenzoic acid iyinhlanganisela eqinile. Kuthatha uhlobo lwamakristalu amhlophe noma aphuzi ekamelweni lokushisa. Inokuqina okuhle kokushisa futhi ingaba khona ngokuzinzile emazingeni okushisa aphezulu. I-compound ine-solubility ephezulu kuma-organic solvents.

 

Sebenzisa:

I-2-Bromo-5-chlorobenzoic acid ivamise ukusetshenziswa njengekhemikhali ebalulekile emaphakathi ku-organic synthesis.

 

Indlela:

I-2-Bromo-5-chlorobenzoic acid ijwayele ukulungiswa ngokuxutshwa nokucwiliswa kwe-benzoic acid. I-Benzoic acid iqala ihlangana ne-bromine ne-sulfurous acid ukwenza i-bromine benzoate, bese isabela nge-ferric chloride ukuze ithole i-2-bromo-5-chlorobenzoic acid.

 

Ulwazi Lokuphepha:

I-2-Bromo-5-chlorobenzoic acid iyinhlanganisela yemvelo engase ibe yingozi kubantu nasemvelweni. Ukuchayeka noma ukuhogela inhlanganisela kungabangela ukucasuka kwamehlo, isikhumba, kanye nomgudu wokuphefumula. Izimpahla zokuzivikela ezifanele njengamagilavu, izihlangu zobuso, nezingubo zamehlo ezivikelayo kufanele zigqokwe lapho usebenza. Kufanele isetshenziswe futhi igcinwe endaweni enomoya omuhle, kude nomlilo futhi kude nama-oxidants. Noma yikuphi ukuthintana noma ukungenisa ngephutha kufanele kwelashwe ngokushesha futhi kufanele kutholwe iseluleko sezokwelapha. Izinqubo eziphelele zokusebenza zokuphepha kufanele zilandelwe lapho kusingathwa le nhlanganisela.


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