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mankhwala

4-Bromo-3-chlorobenzoic acid (CAS# 25118-59-6)

Chemical Property:

Molecular Formula C7H4BrClO2
Molar Misa 235.46
Kuchulukana 1.809±0.06 g/cm3 (20 ºC 760 Torr)
Melting Point 220-224 ° C
Boling Point 333.7±27.0 °C(Zonenedweratu)
Pophulikira 155.6°C
Kuthamanga kwa Vapor 5.32E-05mmHg pa 25°C
Maonekedwe Zolimba
pKa 3.60±0.10(Zonenedweratu)
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
Refractive Index 1.621
MDL Mtengo wa MFCD08276864

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

3-Chloro-4-bromobenzoic acid ndi organic pawiri. Zotsatirazi ndizofotokozera za chikhalidwe chake, ntchito, njira yokonzekera ndi chidziwitso cha chitetezo:

 

Ubwino:

- Maonekedwe: 3-Chloro-4-bromobenzoic acid ndi woyera mpaka wotumbululuka wachikasu makristalo olimba.

- Kusungunuka: Imakhala pafupifupi yosasungunuka m'madzi ndipo imakhala yabwino kusungunuka muzosungunulira organic.

- Chemical katundu: 3-chloro-4-bromobenzoic asidi akhoza kukumana esterification, m'malo ndi zina zimachitikira ena mankhwala.

 

Gwiritsani ntchito:

- Chemical synthesis: 3-chloro-4-bromobenzoic acid angagwiritsidwe ntchito ngati poyambira zinthu kapena wapakatikati mu kaphatikizidwe organic kwa synthesis ena organic mankhwala.

- Mankhwala ophera tizirombo: Atha kugwiritsidwanso ntchito ngati chimodzi mwazinthu zopangira mankhwala ophera tizilombo.

 

Njira:

Kukonzekera njira ya 3-chloro-4-bromobenzoic asidi akhoza analandira ndi zimene 4-bromobenzoic asidi ndi bromophenyl mkuwa mankhwala enaake (Cuprous bromochloride) catalyzed ndi asidi asidi.

 

Zambiri Zachitetezo:

- Kawopsedwe: 3-chloro-4-bromobenzoic acid ikhoza kukhala poizoni kwa anthu ndipo imatha kukhala ndi zotsatira zoyipa m'maso, pakhungu ndi m'mapapo. Kulumikizana mwachindunji kuyenera kupewedwa.

- Zokhudza chilengedwe: Chonde tsatirani malamulo ndi malamulo oteteza chilengedwe kuti mupewe kuwononga chilengedwe.

- Kasungidwe ndi kagwiridwe: Ziyenera kusungidwa pamalo owuma, ozizira, kutali ndi zoyaka ndi ma okosijeni. Zovala zodzitetezera zoyenera, magalasi, ndi zovala zodzitetezera ziyenera kuvalidwa pogwira kapena kugwiritsa ntchito.

 


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