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2-Fluoro-5-bromopyridine (CAS# 766-11-0)

Āhuatanga matū:

Tātai rāpoi C5H3BrFN
Molar Mass 175.99
Kiato 1.71g/mLat 25°C(marama)
Piro Pouri 162-164°C750mm Hg(marama)
Tohu Kohiko 165°F
Wairewa DMSO (Paku), Methanol (Paku)
Kohu Kohu 1.37mmHg i te 25°C
Te ahua Waiwai
Te taumahatanga motuhake 1.710
Tae Maama kowhai kore tae
BRN 1363171
pKa -2.79±0.10(I Matapaetia)
Tikanga Rokiroki Puritia ki te wahi pouri, Hiri ki te maroke, Te Pawera Rua
Taurangi Refactive n20/D 1.5325(marama)
Āhuatanga ā-tinana, matū hoki Te wai marama kore tae

Taipitopito Hua

Tohu Hua

Waehere Morearea R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
R22 – He kino ki te horomia
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S36/37 – Mau kakahu whakamarumaru me nga karapu tika.
S37/39 – Kia mau nga karapu tika me te whakamarumaru kanohi/kanohi
UN ID UN2810
WGK Tiamana 3
Waehere HS 29339900
Tuhipoka morearea Whakariri
Te akomanga morearea 6.1
Roopu Tarapi III

 

Kupu Whakataki

Ko te 5-Bromo-2-fluoropyridine he pūhui waro. E whai ake nei he kupu whakataki mo tona ahuatanga, te whakamahinga, te tikanga whakarite me nga korero haumaru:

 

Kounga:

Te ahua: Ko te 5-bromo-2-fluoropyridine he taekore ki te totoka kowhai marama.

Wairewa: He whakarewa i roto i nga whakarewa pararopi penei i te waiwaro, te dimethylformamide (DMF) me te dichloromethane.

 

Whakamahia:

Te whakahiato matū: Ka taea te whakamahi i te 5-bromo-2-fluoropyridine hei takawaenga i roto i te whakahiato waro me te whai waahi nui ki te whakarite i etahi atu puhui waro.

 

Tikanga:

I te nuinga o te waa, ko te tikanga mo te whakarite 5-bromo-2-fluoropyridine ko nga waahanga e whai ake nei:

Ka tauhohehia te Pyridine ki te hauwai pūkōwhai hei hoatu 2-fluoropyridine.

Ka tauhohehia te 2-Fluoropyridine me te bromine i raro i nga tikanga kawakore ki te whiwhi 5-bromo-2-fluoropyridine.

 

Mōhiohio Haumaru:

Haumarutanga: Ko te 5-Bromo-2-fluoropyridine he kino ki te hauora me te taiao, me whai i nga tikanga whakahaere haumaru e tika ana. Me karohia te whakapiri tika ki te kiri me nga kanohi i te wa e whakamahia ana, me whakarite kia pai te hau.

Rokiroki: Me penapena te 5-Bromo-2-fluoropyridine ki roto i te ipu hau, kia matara atu i te ahi me nga matū muramura.

Te tuku para: E ai ki nga ture a-rohe, ko te para 5-bromo-2-fluoropyridine me tika te ruku i runga i nga ture e tika ana.

 


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