page_banner

hua

2-Chloro-6-methoxy-3-nitropyridine(CAS# 38533-61-8)

Āhuatanga matū:

Tātai rāpoi C6H5ClN2O3
Molar Mass 188.57
Kiato 1.445±0.06 g/cm3(Te Matapae)
Te Whakarewa 78-80 °C (marama)
Piro Pouri 298.5±35.0 °C(I Matapaetia)
Tohu Kohiko 134.4°C
Wairewa wai He iti te wairewa ki te wai.
Kohu Kohu 0.00224mmHg i te 25°C
Te ahua Te paura tioata
Tae He ma-ma ki te kowhai
pKa -2.34±0.10(I Matapaetia)
Tikanga Rokiroki Puritia ki te wahi pouri, Hiri ki te maroke, Te Pawera Rua
Taurangi Refactive 1.564
MDL MFCD00130268

Taipitopito Hua

Tohu Hua

Waehere Morearea R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
R44 – He kino te pahū ki te wera i raro i te here
R20/21/22 – He kino ma te horomia, ka pa ki te kiri me te horomia.
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S37/39 – Kia mau nga karapu tika me te whakamarumaru kanohi/kanohi
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
WGK Tiamana 3
Waehere HS 29333990
Tuhipoka morearea Whakariri
Te akomanga morearea 6.1

 

Kupu Whakataki

He pūhui waro me te tātai matū C6H5ClN2O3.

 

Taiao:

-Whakaahua: Ma ki te maramara kowhai totoka

-Ira Whakarewa: 44-46°C

-Kohuatanga: 262°C

-Soluble in: te waipiro me te ether, kare e rewa ki te wai

 

Whakamahia:

he takawaenga nui, e whakamahia nuitia ana i roto i te mara o te whakahiato waro. Ka taea te whakamahi ki te whakahiato i nga momo puhui hohe koiora, penei i te raau taero, te waikano me te pesticides.

 

Tikanga Whakaritenga:

Ka taea te whakahiato ma nga mahi e whai ake nei:

1. I whiwhihia te 2-Nitro-6-formylpyridine ma te tauhohe i te 2-nitro-6-nitro-pyridine me te waikawa pungatara.

2. Ko te tauhohenga o te 2-nitro-6-formylpyridine me te chloromethyl ether i raro i te mahi o te kawakore ka hangaia.

3. I mahia nga mahi purea me te whakatioatanga kia whiwhi ai i te hua parakore.

 

Mōhiohio Haumaru:

He matū morearea ka puta pea i te irirangi me nga tauhohenga mate mate na roto i te rongo, te whakangohanga ranei. I te wa e mahi ana, mau i nga tikanga whakamarumaru e tika ana penei i nga karapu, karaehe me nga kakahu whakamarumaru, me te whakarite kia mahia te mahi i roto i te taiao hau pai. I te wa e rokiroki ana me te whakahaere, me karo te pa atu ki nga waikura kaha me nga rawa muramura.


  • Tōmua:
  • Panuku:

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