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mankhwala

3-(trifluoromethyl)benzoic acid (CAS# 454-92-2)

Chemical Property:

Molecular Formula C8H5F3O2
Molar Misa 190.12
Kuchulukana 1.3173 (chiyerekezo)
Melting Point 104-106°C (kuyatsa)
Boling Point 238.5°C775mm Hg(kuyatsa)
Pophulikira 237-240 ° C
Kuthamanga kwa Vapor 0.0241mmHg pa 25°C
Maonekedwe Ufa wonyezimira wachikasu wonyezimira
Mtundu Choyera
Mtengo wa BRN 2049239
pKa 3.77±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, Osindikizidwa owuma, Kutentha kwachipinda
MDL Mtengo wa MFCD00002519
Zakuthupi ndi Zamankhwala Malo osungunuka 104-106°C
powira 238.4°C (775 mmHg)

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 - Valani zovala zoyenera zodzitetezera.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
WGK Germany 3
HS kodi 29163900
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

M-trifluoromethylbenzoic acid. Zotsatirazi ndikuyambitsa zina mwazinthu zake, ntchito, njira zopangira ndi chidziwitso chachitetezo:

 

Ubwino:

- Maonekedwe: M-trifluoromethylbenzoic acid ndi yopanda mtundu mpaka kristalo wachikasu wopepuka kapena wolimba.

- Kusungunuka: Kusungunuka mu mowa, esters ndi carbamates, kusungunuka pang'ono mu ma hydrocarbon ndi ethers, ndipo pafupifupi osasungunuka m'madzi.

 

Gwiritsani ntchito:

- M-trifluoromethylbenzoic acid amagwiritsidwa ntchito kwambiri m'munda wa mankhwala ophera tizilombo monga chophatikizira mu mankhwala ophera tizilombo ndi herbicides.

 

Njira:

- Pali njira zambiri zokonzekera m-trifluoromethylbenzoic acid. Njira yodziwika bwino ndikuyankhira 3,5-difluorobenzoic acid ndi trifluorocarboxic acid kuti mupeze chinthu chomwe mukufuna.

 

Zambiri Zachitetezo:

- M-trifluoromethylbenzoic acid ili ndi kawopsedwe kena m'thupi la munthu komanso chilengedwe, ndipo iyenera kugwiritsidwa ntchito mosamala.

- Pewani kukhudzana ndi khungu, maso, ndi kupuma kwapanthawi yogwira ntchito, ndipo chitani njira zodzitetezera, monga kuvala magolovesi oteteza ndi magalasi, ndikusunga mpweya wabwino.

- Samalirani kapewedwe ka moto ndi kupanga magetsi osasunthika panthawi yosungira ndikugwira, ndipo pewani kukhudzana ndi zinthu monga zoyatsira, ma oxidants ndi ma acid amphamvu.


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