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3-Bromo-2-chloro-5- (trifluoromethyl) pyridine (CAS # 71701-92-3)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C6H2BrClF3N
Molar Mass 260.44
Yawan yawa 1.804± 0.06 g/cm3 (An annabta)
Matsayin narkewa 28-32 ℃
Matsayin Boling 210.5 ± 35.0 °C (An annabta)
Wurin Flash 98°(208°F)
Tashin Turi 0.278mmHg a 25°C
Bayyanar M
Launi Kodadden rawaya zuwa kodadde launin ruwan kasa
pKa -3.34± 0.10 (An annabta)
Yanayin Ajiya a karkashin inert gas (nitrogen ko argon) a 2-8 ° C
Fihirisar Refractive 1.493
MDL Saukewa: MFCD09878432

Cikakken Bayani

Tags samfurin

Hadari da Tsaro

Lambobin haɗari R25 - Mai guba idan an haɗiye shi
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
Bayanin Tsaro S7/9 -
S22 - Kada ku shaka kura.
S24/25 - Guji hulɗa da fata da idanu.
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.
S38 - Idan akwai rashin isasshen iska, sanya kayan aikin numfashi masu dacewa.
S45 - Idan akwai haɗari ko kuma idan kun ji rashin lafiya, nemi shawarar likita nan da nan (nuna alamar a duk lokacin da zai yiwu.)
S51 - Yi amfani da shi kawai a wuraren da ke da iska mai kyau.
ID na UN UN 2811 6.1 / PGIII
WGK Jamus 3
Matsayin Hazard 6.1

 

Gabatarwa

3-Bromo-2-choro-5- (trifluoromethyl) pyridine wani fili ne na kwayoyin halitta tare da dabarar C6H2BrClF3N. Yana da wani farin crystalline foda tare da high thermal da sinadaran kwanciyar hankali.

Filin yana da aikace-aikace masu mahimmanci a cikin haɗin magunguna da haɗin gwiwar magungunan kashe qwari. Ana iya amfani da shi azaman tsaka-tsaki don haɗuwa da mahadi masu aiki na halitta. Alal misali, ana iya amfani da shi don haɗa magungunan rigakafi da magungunan kashe qwari, da dai sauransu.

Ana iya shirya 3-Bromo-2-chloro-5- (trifluoromethyl) pyridine ta hanyoyi daban-daban. Hanyar gama gari ita ce gabatar da sinadarin bromine da chlorine a cikin martani ta hanyar bromination da chlorination, bi da bi, farawa da pyridine. Sa'an nan kuma, an gabatar da ƙungiyar trifluoromethyl a cikin maganin trifluoromethylation. Ana gudanar da wannan haɗakarwa a ƙarƙashin yanayi mara kyau don tabbatar da zaɓi mai girma da yawan abin da ya faru.

3-Bromo-2-chloro-5- (trifluoromethyl) pyridine yana da iyakanceccen bayanin aminci. Yana iya zama mai haushi ga idanu, tsarin numfashi da fata. Lokacin amfani, ya kamata a kula don kauce wa hulɗar fata da idanu kai tsaye. Haka kuma, ya kamata a dauki matakan kariya da suka dace yayin aiki, kamar sanya gilashin kariya, safar hannu da tufafin kariya.

Bugu da ƙari, yayin sarrafawa da ajiya, ya kamata a kula da shi don hana haɗuwa da kayan wuta da kuma kula da samun iska mai kyau. Lokacin zubar da sharar, yakamata a bi ka'idodin gida kuma a aiwatar da hanyoyin zubar da shara masu dacewa. Yana da kyau a yi amfani da shi da kuma sarrafa shi a ƙarƙashin jagorancin ƙwararrun masana kimiyya.


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