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samfur

4- (trifluoromethyl) benzoic acid (CAS # 455-24-3)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C8H5F3O2
Molar Mass 190.12
Yawan yawa 1.3173 (ƙididdiga)
Matsayin narkewa 219-220C (lit.)
Matsayin Boling 247°C 753mm
Wurin Flash 247°C/753mm
Ruwan Solubility Mai narkewa cikin ruwa.
Tashin Turi 7.81mmHg a 25°C
Bayyanar Farin foda
Launi Fari zuwa launin toka kadan
BRN 2049241
pKa 3.69± 0.10 (An annabta)
Yanayin Ajiya Rufewa a bushe, Zazzabin ɗaki
Fihirisar Refractive 1.449
MDL Saukewa: MFCD00002562
Abubuwan Jiki da Sinadarai Wurin narkewa: 219-222°C

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari 36/37/38 - Hannun idanu, tsarin numfashi da fata.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S36/37 - Sanya tufafin kariya da safar hannu masu dacewa.
S24/25 - Guji hulɗa da fata da idanu.
WGK Jamus 3
Farashin TSCA T
HS Code 29163900
Matsayin Hazard HAUSHI

 

Gabatarwa

Trifluoromethylbenzoic acid wani fili ne na kwayoyin halitta.

 

Ginin yana da kaddarorin masu zuwa:

Farar lu'ulu'u ce mai ƙarfi a bayyanar tare da ƙamshin ƙamshi mai ƙarfi.

Yana da tsayayye a zafin jiki, amma bazuwa a yanayin zafi mai yawa.

Soluble a cikin kwayoyin kaushi irin su ether da alcohols, wanda ba a iya narkewa cikin ruwa.

 

Babban amfani da trifluoromethylbenzoic acid sun haɗa da:

Kamar yadda wani dauki reagent a cikin kwayoyin kira, musamman a cikin kira na aromatic mahadi, yana taka muhimmiyar rawa.

Yana aiki azaman ƙari mai mahimmanci a cikin wasu polymers, sutura da adhesives.

 

Shiri na trifluoromethylbenzoic acid za a iya za'ayi ta hanyoyi masu zuwa:

Benzoic acid yana amsawa tare da trifluoromethanesulfonic acid don samun trifluoromethylbenzoic acid.

Phenylmethyl ketone yana haɓaka ta hanyar amsawa tare da trifluoromethanesulfonic acid.

 

Filin yana da ban haushi kuma yakamata a guji haɗuwa da fata da idanu.

Ka guji shakar ƙura, hayaki, ko iskar gas daga gare ta.

Ya kamata a sanya kayan kariya na sirri kamar safar hannu na kariya, tabarau da abin rufe fuska yayin amfani da su.

Yi amfani da adanawa a wuri mai cike da iska.


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