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2 5-Difluorotoluene(CAS# 452-67-5)

Āhuatanga matū:

Tātai rāpoi C7H6F2
Molar Mass 128.12
Kiato 1.36g/mLat 25°C(marama)
Te Whakarewa -35°C
Piro Pouri 117°C775mm Hg(marama)
Tohu Kohiko 55°F
Kohu Kohu 0.343mmHg i te 25°C
Te taumahatanga motuhake 1.360
BRN 2041492
Tikanga Rokiroki 2-8°C
Te pumau Eu ana. He hotokore ki te kaha o te waiora.
Taurangi Refactive n20/D 1.452(marama)
Āhuatanga ā-tinana, matū hoki Ira Kohua: 117 i te 775mm Hgdensity: 1.36

tohu uira: 12


Taipitopito Hua

Tohu Hua

Waehere Morearea 11 – Tino muramura
Whakaahuatanga Haumaru S16 – Kia matara atu i nga puna o te mura.
S29 – Kaua e ringihia ki roto i nga awaawa.
S33 – Whakatupato ki nga tukunga pateko.
UN ID UN 1993 3/PG 2
WGK Tiamana 3
Waehere HS 29039990
Tuhipoka morearea He mura ahi
Te akomanga morearea 3
Roopu Tarapi II

 

Kupu Whakataki

Ko te 2,5-Difluorotoluene he pūhui waro.

 

Kounga:

Ko te 2,5-Difluorotoluene he wai kore tae me te haunga benzene reka. He iti te wairewa i roto i te wai me te whakarewa i roto i nga whakarewa pararopi penei i te waihano, te etera me te benzene. Ko te 2,5-Difluorotoluene he pumau ki te hau, engari ka memeha haere ina kitea ki te marama.

 

Whakamahia:

Ko te 2,5-Difluorotoluene he maha nga waahanga ahumahi. Tuarua, ka whakamahia ano hei reagent fluorination i roto i te whakahiato waro, ka taea te whakauru i nga ngota fluorine ki roto i nga ngota ngota, te whakanui ake i te mahi o te ngota ngota me te whakarereke i nga ahuatanga matū. Na ona ahuatanga motuhake o te tinana me te matū, ka taea te whakamahi 2,5-difluorotoluene hei kaiwhakarewa me te tangohanga.

 

Tikanga:

Ko te whakahiatotanga o te 2,5-difluorotoluene i te nuinga o te waa ka whiwhi ma te tauhohenga fluorinated. Ko nga tikanga motuhake ko te tauhohenga o te benzene me te hau fluorine i te aroaro o tetahi kaihoko fluorinating kaha, te whakamahi ranei i te waikawa fluoric bisulfate hei puna fluorine mo nga tauhohenga fluorinated.

 

Mōhiohio Haumaru:

I te wa e whakamahi ana me te rongoa i te 2,5-difluorotoluene, me tohu nga mea e whai ake nei: he whakarewa pararopi, he rorirori me te karohia mai i te inhalation me te pa ki te kiri. Tuarua, he whakapataritari ki nga kanohi, kiri me te rewharewha, me mahi nga tikanga whakamarumaru, penei i te mau karaehe whakamarumaru, te mau kakahu whakamarumaru me te whakamahi karapu whakamarumaru. Me whakahaere i roto i te waahi pai te hau me te karo i te pa ki nga puna ahi hei aukati i nga ahuatanga ohorere penei i te ahi me te pahū.


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