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mankhwala

2 4-Dibromobenzoic acid (CAS# 611-00-7)

Chemical Property:

Molecular Formula C7H4Br2O2
Misa ya Molar 279.91
Kuchulukana 1.9661 (kuyerekeza movutikira)
Melting Point 171.0 mpaka 175.0 °C
Boling Point 336.6±32.0 °C(Zonenedweratu)
Pophulikira 157.3°C
Kusungunuka sungunuka mu Methanol
Kuthamanga kwa Vapor 4.36E-05mmHg pa 25°C
Maonekedwe Yellow powder
Mtundu Zoyera mpaka pafupifupi zoyera
pKa 2.62±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
Refractive Index 1.4970 (chiyerekezo)
Zakuthupi ndi Zamankhwala Ufa wachikasu kapena makristasi onga masamba. Malo Osungunula 174 °c (sublimation). Zosungunuka mu mowa ndi ether, zosungunuka pang'ono m'madzi otentha, zimatha kusungunuka ndi mpweya wamadzi.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa 36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S37 - Valani magolovesi oyenera.
HS kodi 29163990

 

Mawu Oyamba

2,4-Dibromobenzoic acid ndi organic pawiri. Ndi woyera crystalline kapena crystalline ufa. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chitetezo cha 2,4-dibromobenzoic acid:

 

Ubwino:

- Maonekedwe: Makristalo oyera kapena ufa wa crystalline.

- Kusungunuka: Kusungunuka mu zosungunulira organic monga ethanol, ether ndi chloroform, osasungunuka m'madzi.

 

Gwiritsani ntchito:

- Itha kugwiritsidwanso ntchito ngati chowonjezera cha antioxidant ndi mphira, mwa zina.

 

Njira:

- Kukonzekera njira ya 2,4-dibromobenzoic asidi makamaka akamagwira bromination anachita benzoic asidi. Mu sitepe yeniyeni, asidi a benzoic amayamba ndi bromine pamaso pa asidi chothandizira kupanga bromobenzoic acid. Kenako, bromobenzoic asidi ndi hydrolyzed kupereka 2,4-dibromobenzoic asidi.

 

Zambiri Zachitetezo:

- 2,4-Dibromobenzoic acid imakhala yokhazikika kutentha kwa firiji, koma imatha kuwola pakatentha kwambiri kapena kuyaka moto kuti ipange mpweya wapoizoni.

- Zimakwiyitsa ndipo zimatha kuyambitsa kuyabwa komanso kusapeza bwino pokhudzana ndi khungu, maso, komanso kupuma.

- Njira zodzitetezera zoyenera monga magolovesi oteteza, chitetezo cha maso, ndi zida zoteteza kupuma ziyenera kutengedwa mukamagwiritsa ntchito, posungira, komanso pogwira.

- Iyenera kusungidwa kutali ndi zozimitsa moto ndi zinthu zopangira okosijeni ndikusungidwa pamalo ozizira komanso mpweya wabwino.


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