page_banner

hua

2-fluoro-4-methylpyridine(CAS# 461-87-0)

Āhuatanga matū:

Tātai rāpoi C6H6FN
Molar Mass 111.12
Kiato 1.078 g/mL i te 25 °C (marama)
Piro Pouri 160-161 °C (marama)
Tohu Kohiko >230°F
Te ahua Waiwai
Te taumahatanga motuhake 1.078
Tae Kore tae ki te kowhai kowhai
BRN 107086
pKa 0.24±0.10(I Matapaetia)
Tikanga Rokiroki Puritia ki te wahi pouri, Hiri ki te maroke, Te Pawera Rua
Taurangi Refactive n20/D 1.472(marama)
Āhuatanga ā-tinana, matū hoki Te wai marama kore tae

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xi – Irritant
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 – Mau kakahu whakamarumaru tika.
UN ID 1993
WGK Tiamana 3
Waehere HS 29333990
Tuhipoka morearea Whakariri
Te akomanga morearea 3
Roopu Tarapi III

 

Kupu Whakataki

Ko te 2-fluoro-4-methylpyriridine he pūhui pararopi me te tātai matū C6H6FN. He wai kore tae me te kakara rite ki te pyridine.

 

Ko te 2-fluoro-4-methylpyridine e whakamahia nuitia ana i roto i te whakahiato waro. Ka whakamahia hei takawaenga rongoa ka taea te whakamahi i roto i te whakahiatotanga o etahi raau taero mate pukupuku me nga pesticides. I tua atu, ka taea hoki te whakamahi hei rauemi photoelectric organic me te takawaenga whakakōkī.

 

E rua nga tikanga matua mo te whakarite i te 2-fluoro-4-methylpyridine. Ko tetahi ko te tauhohenga o te waikawa benzoic me te waikawa sulfuric ki te hoatu pyridine-4-one, whai muri ko te tauhohenga me te waikawa hydrofluoric ki te hoatu 2-fluoro-4-methylpyridine. Ko tetahi atu ka whiwhi ma te whakamahana i te 2-fluoropyridine me te anhydride acetic i roto i te waikawa acetic.

 

A, no te whakamahi i te 2-fluoro-4-methylpyridine, me whakarongo koe ki tona haumaru. He wai e mura ana, me penapena ki tetahi waahi hauhautanga, kia matara atu i nga puna ahi me nga waikura. Ko te pa atu ki te kiri me nga kanohi ka whakapataritari me te wera, na reira me mau i nga karapu tiaki me nga mohiti i te wa e mahi ana. Mena kua horohia, kua horomia ranei, me rapu awhina hauora.


  • Tōmua:
  • Panuku:

  • Tuhia to korero ki konei ka tukuna mai ki a matou