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mankhwala

3-Bromo-4-fluorotoluene (CAS# 452-62-0)

Chemical Property:

Molecular Formula C7H6BrF
Molar Misa 189.02
Kuchulukana 1.507 g/mL pa 25 °C (kuyatsa)
Boling Point 169 °C/756 mmHg (kuyatsa)
Pophulikira 164°F
Kuthamanga kwa Vapor 2.07mmHg pa 25°C
Maonekedwe Madzi
Specific Gravity 1.52
Mtundu Zowoneka bwino zopanda mtundu mpaka zachikasu
Mtengo wa BRN 1680604
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
Refractive Index n20/D 1.531(lit.)
Zakuthupi ndi Zamankhwala Madzi opanda mtundu mpaka achikasu. Malo otentha a 169 ℃(756mmHg), flash point ya 73 ℃, refractive index of 1.5310, mphamvu yokoka yeniyeni ya 1.507.

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.
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
WGK Germany 3
HS kodi 29039990
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

3-bromo-4-fluorotoluene, yomwe imadziwikanso kuti p-bromo-p-fluorotoluene, ndi mankhwala achilengedwe. Zotsatirazi ndizofotokozera za katundu wake, ntchito, njira zopangira ndi chitetezo:

 

Ubwino:

- Mawonekedwe: Madzi opanda mtundu kapena olimba oyera

 

Gwiritsani ntchito:

3-bromo-4-fluorotoluene ili ndi phindu linalake mu organic synthesis. Itha kugwiritsidwanso ntchito ngati ligand pazophatikizana.

 

Njira:

Kukonzekera kwa 3-bromo-4-fluorotoluene nthawi zambiri kumatheka ndi njira zopangira mankhwala. Njira yokonzekera yodziwika bwino ndikuchita 4-fluorotoluene ndi bromine muzosungunulira zoyenera. Izi zimachitika pamikhalidwe yoyenera, monga pansi pa kutentha ndi kusonkhezera, ndipo chothandizira chimawonjezedwa kuti chithandizire zomwe zikuchitika.

 

Zambiri Zachitetezo:

3-Bromo-4-fluorotoluene ndi organic zosungunulira ndi kawopsedwe zina. Njira zotsatirazi zodzitetezera ziyenera kutsatiridwa mukamagwiritsa ntchito kapena kunyamula:

- Pewani kutulutsa mpweya, kumeza, kapena kukhudza khungu ndi maso.

- Gwiritsani ntchito njira zoyenera zodzitetezera monga zobvala m'maso, magolovesi, ndi zovala zodzitchinjiriza pogwira ntchito.

- Khalani ndi malo ogwirira ntchito omwe ali ndi mpweya wabwino.

- Pewani moto ndi kutentha kwambiri panthawi yosungira ndi kusamalira.

- Tsatirani njira zoyendetsera chitetezo kwanuko.

 


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