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hua

3 5-difluorobenzoic acid(CAS# 455-40-3)

Āhuatanga matū:

Tātai rāpoi C7H4F2O2
Molar Mass 158.1
Kiato 1.3486 (whakatau tata)
Te Whakarewa 121-123 °C (marama)
Piro Pouri 243.2±20.0 °C(I Matapaetia)
Tohu Kohiko 100.9°C
Wairewa Chloroform (Soluble), Methanol (Paku)
Kohu Kohu 0.0175mmHg i te 25°C
Te ahua He rite te paura ma
Tae Ma ki te kowhai kowhai
BRN 1940680
pKa 3.52±0.10(I Matapaetia)
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
MDL MCD00010323
Āhuatanga ā-tinana, matū hoki Ira whakarewa 118-123°C

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xi – Irritant
Waehere Morearea 36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S37/39 – Kia mau nga karapu tika me te whakamarumaru kanohi/kanohi
WGK Tiamana 3
Waehere HS 29163990
Te akomanga morearea TANGATA

 

Kupu Whakataki

Ko te waikawa 3,5-Difluorobenzoic he pūhui waro. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o tenei puhui:

 

Kounga:

- Ko te waikawa 3,5-Difluorobenzoic he karaihe taekore, he paura karaihe ma ranei.

- He tata korekore i roto i te wai i te pāmahana rūma, engari ka whakarewahia i roto i nga whakarewa pararopi penei i te waiwaro, ether, aha atu.

- He tino kaha te kakara o te puhui, he waikura.

 

Whakamahia:

- Ko te waikawa 3,5-Difluorobenzoic te nuinga ka whakamahia hei takawaenga nui me te reagent i roto i te whakahiato waro.

- Ka taea te whakamahi i te pūhui ki te tauhohenga fluorination me te tauhohenga hono o nga pūhui kakara i roto i nga tauhohenga whakahiato waro.

 

Tikanga:

- Ko te tikanga whakarite o te waikawa 3,5-difluorobenzoic ka taea te whiwhi i te tauhohenga o te waikawa benzoic me te waikawa hydrofluoric i te aroaro o te whakakorikori.

- I raro i nga tikanga tauhohenga, ka konatunatua te waikawa benzoic ki te waikawa hydrofluoric me te whakamahana, ka mahia te tauhohenga i raro i te mahi a te whakakorikori hei whakaputa i te waikawa 3,5-difluorobenzoic.

 

Mōhiohio Haumaru:

- Ko te waikawa 3,5-Difluorobenzoic he puhui whakapataritari ka taea te whakapataritari ki te kiri me nga kanohi, me mau nga taputapu tiaki whaiaro tika.

- Me tupato ki te karo i te pa ki nga matū waikura kaha me nga matū kawakore kaha ina whakamahi, penapena ranei i tenei puhui hei aukati i nga tauhohenga kino.

- A ape i te hongi i te kohu nui o te waikawa 3,5-difluorobenzoic, na te mea he kakara pai.

 


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