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4-Bromo-2-chlorobenzoic acid (CAS# 59748-90-2)

Chemical Property:

Molecular Formula C7H4BrClO2
Misa ya Molar 235.46
Kuchulukana 1.809±0.06 g/cm3(Zonenedweratu)
Melting Point 171-175 ° C
Boling Point 319.1±27.0 °C(Zonenedweratu)
Pophulikira 146.8°C
Kusungunuka DMSO, Methanol
Kuthamanga kwa Vapor 0.000145mmHg pa 25°C
Maonekedwe Crystalline ufa
Mtundu Kuchoka poyera
pKa 2.68±0.25(Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, Osindikizidwa owuma, Kutentha kwachipinda
Refractive Index 1.621
MDL Mtengo wa MFCD00040903

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R22 - Zowopsa ngati zitamezedwa
R50/53 - Poizoni kwambiri kwa zamoyo zam'madzi, zitha kubweretsa zovuta kwanthawi yayitali m'malo am'madzi.
Kufotokozera Zachitetezo S60 - Zinthuzi ndi chidebe chake ziyenera kutayidwa ngati zinyalala zowopsa.
S61 - Pewani kumasulidwa ku chilengedwe. Onani malangizo apadera / mapepala achitetezo.
Ma ID a UN UN 2811 6.1/PG 3
WGK Germany 3
HS kodi 29163990
Kalasi Yowopsa ZOKWIYA
Packing Group

 

Mawu Oyamba

 

Ubwino:

2-Chloro-4-bromobenzoic acid ndi yolimba yokhala ndi mawonekedwe oyera a crystalline. Ili ndi kusungunuka kwabwino pa kutentha kwa chipinda ndipo imatha kusungunuka muzosungunulira zamagulu, monga ethanol ndi ether.

 

Gwiritsani ntchito:

2-Chloro-4-bromobenzoic acid angagwiritsidwe ntchito ngati wapakatikati mu kaphatikizidwe organic. Itha kugwiritsidwanso ntchito pokonza ma organic light-emitting diode (OLED) ngati chimodzi mwazinthu zofunika kwambiri pantchitoyi.

 

Njira:

2-Chloro-4-bromobenzoic acid imakonzedwa m'njira zosiyanasiyana, ndipo asidi a benzoic amagwiritsidwa ntchito ngati zoyambira mu labotale. Njira za kaphatikizidwe zinazake zimaphatikizirapo machitidwe monga chlorination, bromination, ndi carboxylation, zomwe nthawi zambiri zimafunikira kugwiritsa ntchito zopangira ndi zotulutsa.

 

Zambiri Zachitetezo:

2-Chloro-4-bromobenzoic acid ndi organic compound, ndipo chifukwa cha chitetezo, zipangizo zoyenera zodzitetezera monga magolovesi, magalasi, ndi zovala za labu ziyenera kuvala panthawi yogwira ntchito. Zingayambitse kuyabwa m'maso, pakhungu, ndi m'mapapo ndipo ziyenera kupewedwa. Iyenera kusungidwa kutali ndi malawi otseguka ndi kutentha kwakukulu ikasungidwa ndikugwiritsidwa ntchito kupewa kupanga mpweya wapoizoni.


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