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samfur

2-Difluorobenzodioxole-5-carboxylic acid (CAS# 656-46-2)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C8H4F2O4
Molar Mass 202.11
Yawan yawa 1.66± 0.1 g/cm3 (An annabta)
Matsayin narkewa 178
Matsayin Boling 266.1 ± 40.0 °C (An annabta)
Wurin Flash 114.7°C
Solubility DMSO (Dan kadan), methanol (dan kadan)
Tashin Turi 0.0044mmHg a 25°C
Bayyanar M
Launi Fari zuwa Kashe-Fara
pKa 4.01± 0.40 (An annabta)
Yanayin Ajiya a karkashin inert gas (nitrogen ko argon) a 2-8 ° C
MDL Saukewa: MFCD00792417

Cikakken Bayani

Tags samfurin

Lambobin haɗari R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
R22 - Yana cutarwa idan an haɗiye shi
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S36 - Sanya tufafin kariya masu dacewa.
Bayanin Hazard Haushi

 

Gabatarwa

2,2-Difluoro-1, acid wani fili ne na kwayoyin halitta. Ga wasu bayanai game da shi:

 

Abubuwan: 2,2-Difluoro-1, fluorid fari ne mai ƙarfi. Tsarin kwayoyinsa shine C9H4F2O4 kuma nauyin kwayoyinsa shine 200.12g/mol. Yana da tsayayye a zafin jiki kuma yana da ƙarancin solubility.

 

Yana amfani da: 2,2-Difluoro-1, ana amfani dashi azaman albarkatun ƙasa da reagent a cikin binciken sinadarai da haɓakar ƙwayoyin halitta. Ana iya amfani da shi don haɗa wasu mahadi na halitta, irin su magungunan magunguna, magungunan kashe qwari da rini.

 

Hanyar shiri: 2,2-Difluoro-1, hanyar shiri na acid ya fi rikitarwa. Hanyar shirye-shiryen da aka saba amfani da ita ana samun ta hanyar iskar oxygenation na benzodioxene, sannan ta hanyar amsawa tare da wakili mai fluorine a ƙarƙashin yanayin da ya dace don gabatar da zarra na fluorine.

 

Bayanan tsaro: A halin yanzu, akwai iyakataccen bayanin aminci game da 2,2-Difluoro-1, UV acid. Ba a yi nazari sosai ba, don haka ba a fahimci gubarsa da haɗarinsa da kyau ba. Lokacin amfani, ya zama dole a bi ka'idodin aminci na dakin gwaje-gwaje na sinadarai don tabbatar da amintaccen aiki, da guje wa shakar numfashi, saduwa da fata da idanu. Kafin amfani, ana ba da shawarar fahimtar takardar bayanan aminci na fili daki-daki kuma ɗaukar matakan kariya masu dacewa dangane da ƙimar haɗarinsa.


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