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2-Chloro-3-fluoro-5-methylpyridine(CAS# 34552-15-3)

Āhuatanga matū:

Tātai rāpoi C6H5ClFN
Molar Mass 145.56
Kiato 1.264±0.06 g/cm3(Te Matapae)
Te Whakarewa 29-30 °C
Piro Pouri 92°C/25mmHg(marama)
Tohu Kohiko 65.212°C
Kohu Kohu 1.014mmHg i te 25°C
Te ahua Mārō
Tae
pKa 0.35±0.10(I Matapaetia)
Tikanga Rokiroki i raro i te hau hau (hauota, Argon ranei) i te 2-8°C
Taurangi Refactive 1.504
MDL MFCD06658238

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xi – Irritant
Te akomanga morearea TANGATA

 

Kupu Whakataki

He pūhui waro me te tauira matū o C6H5ClFN. Ko nga korero e whai ake nei mo nga rawa, nga whakamahinga, te whakarite me nga korero haumaru o te puhui:

 

Taiao:

-Te ahua: He wai kore tae ki te kowhai marama.

-Kohuatanga: tata ki te 126-127°C.

-Kōtoi: āhua 1.36g/cm³.

-Maoritanga: Ka whakarewahia i roto i te maha o nga whakarewa pararopi, penei i te ethanol, ether me te dimethylformamide.

 

Whakamahia:

-ka whakamahia whānuitia hei takawaenga i roto i te whakahiato waro, ka taea te whakamahi ki te whakahiato i etahi atu puhui waro.

-Ka taea hoki te whakamahi hei rauemi timatanga mo te whakahiato raau taero, te whakahiato pesticide me te whakahiato waikano.

 

Tikanga Whakaritenga:

-ka taea ranei te whakarite ma te tauhohenga hauhautanga o te pyridine. Tuatahi, ka tukuna te pyridine me te waikawa acetic ki te tauhohenga maaota ki te whakaputa i te 2-chloropyridine. Ko te 2-chloropyridine ka huri ki te 2-chloro-3-fluoropyridine na roto i te tauhohenga fluorination. I te mutunga, ko te 2-chloro-3-fluoropyridine i methylated ma te whakamahi i te tauhohenga methylation.

 

Mōhiohio Haumaru:

-he puhui whakapataritari tera pea ka whakapouri i nga kanohi me te kiri.

-I te wa e whakamahia ana me te whakahaere, me whai tikanga haumaru, tae atu ki te mau karaehe whakamarumaru me nga karapu.

-Kati te tango i te kohu o te puhui me te whakarite kei te whakahaerehia i roto i te taiao pai-hau.

-I te wa e penapena ana me te whakahaere, kia matara atu i te ahi me nga mea whakahaora kia kore ai e pa mai te ahi me te pahū.

-I te wa e whakamahia ana, me aro nui ki te whakatutuki i nga tikanga whakahaere me nga whakaritenga haumaru.


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