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

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C7H4BrClO2
Molar Mass 235.46
Yawan yawa 1.809± 0.06 g/cm3 (An annabta)
Matsayin narkewa 171-175 ° C
Matsayin Boling 319.1 ± 27.0 °C (An annabta)
Wurin Flash 146.8°C
Solubility DMSO, methanol
Tashin Turi 0.000145mmHg a 25°C
Bayyanar Crystalline foda
Launi Kusa da fari
pKa 2.68± 0.25 (An annabta)
Yanayin Ajiya Ajiye a cikin duhu wuri, Rufe a bushe, Zazzabin ɗaki
Fihirisar Refractive 1.621
MDL Saukewa: MFCD00040903

Cikakken Bayani

Tags samfurin

Lambobin haɗari R22 - Yana cutarwa idan an haɗiye shi
R50/53 - Mai guba mai guba ga halittun ruwa, na iya haifar da illa na dogon lokaci a cikin yanayin ruwa.
Bayanin Tsaro S60 - Wannan abu da kwandonsa dole ne a zubar da shi azaman shara mai haɗari.
S61 - Guji saki zuwa yanayi. Koma zuwa umarni na musamman / takaddun bayanan aminci.
ID na UN UN 2811 6.1/PG 3
WGK Jamus 3
HS Code 29163990
Matsayin Hazard HAUSHI
Rukunin tattarawa

 

Gabatarwa

 

inganci:

2-Chloro-4-bromobenzoic acid ne m tare da farin crystalline bayyanar. Yana da kyawawa mai kyau a cikin zafin jiki kuma ana iya narkar da shi a cikin wasu kaushi na yau da kullun, kamar ethanol da ether.

 

Amfani:

2-Chloro-4-bromobenzoic acid za a iya amfani dashi a matsayin tsaka-tsaki a cikin haɗin gwiwar kwayoyin halitta. Hakanan za'a iya amfani dashi a cikin shirye-shiryen diodes masu haske na halitta (OLEDs) a matsayin ɗayan mahimman kayan a wannan filin.

 

Hanya:

An shirya 2-Chloro-4-bromobenzoic acid ta hanyoyi daban-daban, kuma ana amfani da benzoic acid a matsayin kayan farawa a cikin dakin gwaje-gwaje. Ƙayyadaddun hanyoyin haɗin kai sun haɗa da halayen kamar chlorination, bromination, da carboxylation, wanda yawanci yana buƙatar amfani da masu kara kuzari da reagents.

 

Bayanin Tsaro:

2-Chloro-4-bromobenzoic acid wani fili ne na kwayoyin halitta, kuma saboda dalilai na tsaro, kayan aikin kariya masu dacewa kamar safar hannu, tabarau, da tufafin lab yakamata a sanya su yayin sarrafawa. Yana iya haifar da hangula ga idanu, fata, da numfashi na numfashi kuma yana buƙatar kaucewa. Yakamata a nisantar da ita daga bude wuta da zafi mai zafi lokacin da aka adana shi kuma a yi amfani da shi don guje wa samar da iskar gas mai guba.


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