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2 2-Difluorobenzodioxole-5-carboxylic acid(CAS# 656-46-2)

Āhuatanga matū:

Tātai rāpoi C8H4F2O4
Molar Mass 202.11
Kiato 1.66±0.1 g/cm3(Te Matapae)
Te Whakarewa 178
Piro Pouri 266.1±40.0 °C(I Matapaetia)
Tohu Kohiko 114.7°C
Wairewa DMSO (Paku), Methanol (Paku)
Kohu Kohu 0.0044mmHg i te 25°C
Te ahua Mārō
Tae Ma ki Off-White
pKa 4.01±0.40(I Matapaetia)
Tikanga Rokiroki i raro i te hau hau (hauota, Argon ranei) i te 2-8°C
MDL MFCD00792417

Taipitopito Hua

Tohu Hua

Waehere Morearea R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
R22 – He kino ki te horomia
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S36 – Mau kakahu whakamarumaru tika.
Tuhipoka morearea Whakariri

 

Kupu Whakataki

2,2-Difluoro-1, he pūhui waro te waikawa. Anei etahi korero mo taua mea:

 

Ngā Āhuatanga: 2,2-Difluoro-1, he mārō mā te pūkōwhai. Ko tana tātai rāpoi ko C9H4F2O4 me tōna taumaha rāpoi he 200.12g/mol. He pūmau i te pāmahana rūma, ā, he iti te wairewa.

 

Whakamahinga: 2,2-Difluoro-1, ka whakamahia hei rauemi mata me te reagent i roto i te rangahau matū me te whakahiato waro. Ka taea te whakamahi ki te whakahiato i etahi atu puhui waro, penei i nga takawaenga rongoa, pesticides me nga waikano.

 

tikanga whakarite: 2,2-Difluoro-1, he uaua ake te tikanga whakarite o te waikawa. Ko te tikanga whakareri e whakamahia nuitia ana ka puta mai i te waikura o te benzodioxene, ka whai i te tauhohenga me tetahi kaihoko fluorinating i raro i nga tikanga tika hei whakauru i te ngota fluorine.

 

Nga korero haumaru: I tenei wa, he iti nga korero mo te haumaru mo te 2,2-Difluoro-1, te waikawa UV. Kare ano i tino rangahaua, no reira kare e tino maarama ana te paitini me te kino. I te wa e whakamahia ana, he mea tika kia whai i nga tikanga haumaru taiwhanga matū whanui hei whakarite i te mahi haumaru, me te karo i te inhalation, te pa ki te kiri me nga kanohi. I mua i te whakamahi, e taunaki ana kia mohio koe ki te pepa raraunga haumaru o te puhui me te tango i nga tikanga whakamarumaru e tika ana i runga i tana aromatawai morearea.


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