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2-Chloro-5-fluorobenzoic acid(CAS# 2252-50-8)

Āhuatanga matū:

Tātai rāpoi C7H4ClFO2
Molar Mass 174.56
Kiato 1.477±0.06 g/cm3(Whakaahua)
Te Whakarewa 147-149°C
Piro Pouri 275.3±20.0 °C(I Matapaetia)
Tohu Kohiko 120.3°C
Kohu Kohu 0.00249mmHg i te 25°C
Te ahua Kiriata ma
pKa 2.54±0.25(I Matapaetia)
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
MDL MFCD00156967
Āhuatanga ā-tinana, matū hoki Kiriata ma. Ira whakarewa 148-149 ℃.

Taipitopito Hua

Tohu Hua

Waehere Morearea R22 – He kino ki te horomia
R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S22 – Kaua e pupuhi puehu.
S24/25 – A ape i te pa ki te kiri me nga kanohi.
S37 – Me mau karapu pai.
S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
Waehere HS 29163990
Te akomanga morearea TANGATA

 

Kupu Whakataki

Ko te waikawa 2-Chloro-5-fluorobenzoic 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: Karekau he tae ki nga tioata kowhai marama, paura tioata ranei.

- Te wairewa: he whakarewa i roto i nga whakarewa pararopi, he rire noa ki te wai.

 

Whakamahia:

- Ka whakamahia te waikawa 2-Chloro-5-fluorobenzoic hei takawaenga i roto i te whakahiato waro.

- Ka taea hoki te whakamahi hei reagent synthesis organic me te whakakorikori.

 

Tikanga:

Ko te waikawa 2-Chloro-5-fluorobenzoic te nuinga o te wa ka mahia e:

Ka tauhohehia te waipiro 2-chloro-5-fluorobenzyl ki te konutai hauwai (NaOH), te pāhare pāporo (KOH) kia whiwhi ai i te tote konutai, te tote pāhare pāporo rānei.

Ka whakakawatia e te waikawa pūhaumāota hei whakaputa i te waikawa 2-chloro-5-fluorobenzoic.

 

Mōhiohio Haumaru:

- Ko te waikawa 2-Chloro-5-fluorobenzoic he matū ngiha, me karohia mai i te pa atu ki nga matū waiora kaha, ki te hāora ranei.

- Mau taputapu whakamarumaru e tika ana, penei i nga karapu, karaehe, me nga kakahu whakamarumaru, i te wa e hapai ana, e hapai ana ranei.

- A ape i te hongi i tana puehu, i te wairewa ranei ka mahi i roto i te waahi whai hau pai.

- Whakaorangia mai i te wera nui, te ahi, me te ra tika, kia hiri te ipu.


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