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1-Bromo-3 4-difluorobenzene(CAS# 348-61-8)

Āhuatanga matū:

Tātai rāpoi C6H3BrF2
Molar Mass 192.99
Kiato 1.707g/mLat 25°C(marama)
Te Whakarewa -4 °C
Piro Pouri 150-151°C(marama)
Tohu Kohiko 92°F
Wairewa wai korekore
Kohu Kohu 4.88mmHg i te 25°C
Te ahua Waiwai
Te taumahatanga motuhake 1.707
Tae He maama kore tae ki te kowhai kowhai
BRN 1934811
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
Taurangi Refactive n20/D 1.505(marama)
Āhuatanga ā-tinana, matū hoki Kiato 1.707
ira whakarewa -4°C
ira kohua 150-151°C
taupū whakaata 1.504-1.506
ira hiko 33°C
wai-wairewa-kore
Whakamahi Ka whakamahia hei rongoa, hei takawaenga rauemi karaihe wai

Taipitopito Hua

Tohu Hua

Waehere Morearea R10 – He mura ahi
R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S16 – Kia matara atu i nga puna o te mura.
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.
S37/39 – Kia mau nga karapu tika me te whakamarumaru kanohi/kanohi
UN ID UN 1993 3/PG 3
WGK Tiamana 2
Waehere HS 29039990
Tuhipoka morearea He mura ahi
Te akomanga morearea 3
Roopu Tarapi III

 

Kupu Whakataki

Ko te 3,4-Difluorobromobenzene 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: 3,4-Difluorobromobenzene he wai kore tae ki te wai kowhai marama.

Kiato: approx. 1.65 g/cm³

Wairewa: 3,4-difluorobromobenzene he wairewa i roto i etahi whakarewa pararopi me te tata korekore ki te wai.

 

Whakamahia:

Te Ahumahi Hiko: na te pai o nga taonga hiko, ka whakamahia te 3,4-difluorobromobenzene hei waahanga o nga rauemi semiconductor organic.

 

Tikanga:

Ko te tikanga whakarite o te 3,4-difluorobromobenzene ko nga waahanga e whai ake nei:

Tuatahi, ka tauhohehia te bromobenzene me te bromoflurane ki te whakaputa 2,3,4,5-tetrabromofluorobenzene.

Ko te 2,3,4,5-tetrabromofluorobenzene ka tauhohehia ki te waikawa hydrofluoric ki te whiwhi 3,4-difluorobromobenzene.

 

Mōhiohio Haumaru:

Ko te 3,4-Difluorobromobenzene he paitini me te tiaki kia kore e pa ki te kiri me te ngongo o ona kohu.

Ko nga tikanga taiwhanga tika me nga tikanga whakamarumaru whaiaro penei i te mau karapu whakamarumaru tika, karaehe, me nga kaarei whakamarumaru me whai i te wa e whakamahia ana.

I te wa e penapena ana, me noho ke atu i nga puna ahi me nga waiora, me te karo i te pa atu ki nga waikawa kaha me te kawakore.

I te tukunga o te para, me tuku kia rite ki nga ture me nga ture e tika ana kia kore ai e poke te taiao.


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