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2-Chloro-3-amino-5-bromopyridine(CAS# 588729-99-1)

Āhuatanga matū:

Tātai rāpoi C5H4BrClN2
Molar Mass 207.46
Kiato 1.834±0.06 g/cm3(Whakaahua)
Te Whakarewa 129-132 ℃
Piro Pouri 296.8±35.0 °C(I Matapaetia)
Tohu Kohiko 133.287°C
Kohu Kohu 0.001mmHg i te 25°C
Te ahua Mārō
Te roangaru mōrahi(λmax) 314nm(EtOH)(marama)
pKa 0.03±0.10(I Matapaetia)
Tikanga Rokiroki Puritia ki te wahi pouri, Hiri ki te maroke, Te Pawera Rua
Taurangi Refactive 1.648
MDL MFCD02682092

Taipitopito Hua

Tohu Hua

Waehere Morearea R25 – He paitini ki te horomia
R37/38 – He whakapataritari ki te punaha manawa me te kiri.
R41 – He kino kino ki nga kanohi
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.
S39 – Mau whakamarumaru kanohi / kanohi.
S45 – Ki te puta he aitua, ki te kore ranei koe e pai, rapu wawe i nga tohutohu hauora (whakaatuhia te tapanga ina taea.)
UN ID 2811
WGK Tiamana 3
Waehere HS 29333990
Te akomanga morearea TANGATA
Roopu Tarapi

 

Kupu Whakataki

Ko te 2-Chloro-3-amino-5-bromopyridine he pūhui waro. E whai ake nei he kupu whakataki poto mo tona ahuatanga, te whakamahinga, nga tikanga whakangao me nga korero haumaru:

 

Kounga:

- Te ahua: He kiriata ma ki te kowhai kowhai

- Wairewa: Ka whakarewahia i roto i te chloroform me te waiwaro, he paku whakarewa ki te wai

 

Whakamahia:

- Ka taea hoki te whakamahi i te pūhui hei whakakōkī i roto i te kōtuitanga waro me te whai wāhi nui ki te kōtuitanga o ētahi atu pūhui waro.

 

Tikanga:

- Ko te whakahiatotanga o te 2-chloro-3-amino-5-bromopyridine ka mahia ma te whakamahi i te tauhohenga chlorination-bromination. Ka mahia ma te tauhohenga i te 3-amino-4-bromopyridine me nga maatete whakamaarama (penei i te phosphorus trichloride, sulfuryl chloride, etc.).

 

Mōhiohio Haumaru:

- Ko te 2-Chloro-3-amino-5-bromopyridine he matū, ā, me tūpato tika pēnei i te mau karapu matū me te kanohi kanohi.

- I te wa e whakamahi ana, e penapena ana, me karohia te whakapiri ki nga waikura, nga waikawa kaha, me nga kawakore kaha kia kore ai nga tauhohenga kino.

- Ka taea he matū e kino ana ki te kiri, ki nga kanohi, ki te punaha manawa, me horoi ki te wai i muri tonu i te pa atu ki a ia me te rapu rongoa.


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