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2 5-Difluorobromobenzene(CAS# 399-94-0)

Āhuatanga matū:

Tātai rāpoi C6H3BrF2
Molar Mass 192.99
Kiato 1.708g/mLat 25°C(marama)
Te Whakarewa −31°C(marama)
Piro Pouri 58-59°C20mm Hg(marama)
Tohu Kohiko 149°F
Wairewa wai Korekore
Kohu Kohu 0.000165mmHg i te 25°C
Te ahua wai marama
Te taumahatanga motuhake 1.708
Tae Taekore ki te Maama kowhai ki te Maama karaka
BRN 1680893
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
Taurangi Refactive n20/D 1.508(marama)
Āhuatanga ā-tinana, matū hoki Kiato 1.708
ira whakarewa -31°C
ira kohua 58-59 ° C (20 mmHg)
taupū whakaata 1.5075-1.5095
ira hiko 65°C
wai-wairewa INSOLUBLE
Whakamahi Ka whakamahia hei rongoa, pesticide, hei takawaenga rauemi karaihe wai

Taipitopito Hua

Tohu Hua

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.
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
S2637/39 -
S37/39 – Kia mau nga karapu tika me te whakamarumaru kanohi/kanohi
UN ID UN 2922
WGK Tiamana 3
Waehere HS 29039990
Tuhipoka morearea He mura ahi
Te akomanga morearea HE KAUPAPA, HE KAUPAPA

 

Kupu Whakataki

Ko te 2,5-Difluorobromobenzene he pūhui waro. Ko nga korero e whai ake nei mo nga ahuatanga, nga whakamahinga, nga tikanga hanga me nga korero haumaru:

 

Kounga:

Ko te 2,5-Difluorobromobenzene he wai kore tae me te kakara rereke. He iti te wairewa i roto i te wai engari ka whakarewahia i roto i nga whakarewa pararopi penei i te waipiro, te ethers, me te ketones.

 

Whakamahia:

Ko te 2,5-Difluorobromobenzene te nuinga o te wa e whakamahia ana hei takawaenga nui i roto i te whakahiato waro. Ka taea hoki te whakamahi hei here mo nga whakakorikori organometallic me te whakamahi i roto i nga tauhohenga whakakapinga, tauhohenga hono, aha atu i roto i nga tauhohenga whakahiato waro.

 

Tikanga:

Ko te tikanga whakarite o te 2,5-difluorobromobenzene he uaua ka taea te whakahiato ma nga tauhohenga e whai ake nei:

I te aroaro o te bromobenzene, ko te bromide cuprous me te difluoromethanesulfonamide ka tauhohe i te aroaro o te bromobenzene ki te whakaputa 2,5-difluorobromobenzene.

Ka tauhohehia te Phenylmagnesium bromide ki te pukoro kapu hei whakaputa i te 2,5-diphenyldifluoroethane, katahi ka tukuna ki nga tauhohenga bromination me te iodination ki te whiwhi 2,5-difluorobromobenzene.

 

Mōhiohio Haumaru:

Ko te 2,5-Difluorobromobenzene he mea whakapataritari, a ka taea te whakararu i te ngongo, te pa ki te kiri, te whakapiri kanohi ranei. Me karohia te rongo tika ki te kiri me nga kanohi i te wa e pa ana, me mau nga taputapu whakamarumaru whaiaro penei i nga karapu whakamarumaru me nga karaehe ki te tika. I roto i te whakarite me te whakamahi, me aro nui ki te ahi me te aukati pahū, me te whakarite i nga ahuatanga pai o te hau. I te wa e whakamahi ana me te penapena, me pupuri te 2,5-difluorobromobenzene i te pāmahana e tika ana, i roto hoki i te ipu hiri, kia matara atu i te mura, te wera me te waikura.


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