page_banner

hua

3-Pyridinecarboxaldehyde(CAS#500-22-1)

Āhuatanga matū:

Tātai rāpoi C6H5NO
Molar Mass 107.11
Kiato 1.141 g/mL i te 20 °C (marama)
Te Whakarewa 8°C
Piro Pouri 78-81 °C/10 mmHg (marama)
Tohu Kohiko 140°F
Wairewa wai whakakorikori
Kohu Kohu 0.3 hPa (20 °C)
Te ahua wai (marama)
Te taumahatanga motuhake 1.145 (20/4 ℃)
Tae maramara parauri-kowhai
BRN 105343
pKa 3.43±0.10(I Matapaetia)
PH 5.4 (111g/l, H2O, 20 ℃)
Tikanga Rokiroki 2-8°C
Tairongo Te rangi tairongo
Taurangi Refactive n20/D 1.549(marama)
Āhuatanga ā-tinana, matū hoki Ko tenei hua he wai taekore, B. p.95 ~ 97 ℃/2kpa,n20D 1.5490, te kiato whanaunga o 1.135.

Taipitopito Hua

Tohu Hua

Waehere Morearea R10 – He mura ahi
R37/38 – He whakapataritari ki te punaha manawa me te kiri.
R42/43 – Ka whakaparahako pea na roto i te ngongo me te pa ki te kiri.
R41 – He kino kino ki nga kanohi
R34 – He weranga
R43 – Ka whakapataritari pea te kiri
R22 – He kino ki te horomia
R36/37/38 – 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.
S39 – Mau whakamarumaru kanohi / kanohi.
S45 – Ki te puta he aitua, ki te kore ranei koe e pai, rapu wawe i nga tohutohu hauora (whakaatuhia te tapanga ina taea.)
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
S23 – Kaua e hau kohu.
UN ID UN 1989 3/PG 3
WGK Tiamana 3
RTECS QS2980000
FLUKA BRAND F CODES 8-10-23
TSCA Ae
Waehere HS 29333999
Tuhipoka morearea Whakariri / Kia Matao / Maamaa Mata
Te akomanga morearea 3.2
Roopu Tarapi III
Te paitini LD50 ā-waha i roto i te Rapeti: 2355 mg/kg

 

Kupu Whakataki

3-Pyridine formaldehyde. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o te 3-pyridine formaldehyde:

 

Kounga:

- Te ahua: Ko te 3-pyridine formaldehyde he wai kore tae, he karaihe ma ranei.

- Wairewa: He wairewa i roto i te nuinga o nga whakarewa pararopi penei i te waiwaro me te chloroform.

 

Whakamahia:

- Te whakamahi waihanga: Ko te 3-pyridine formaldehyde he maha nga wa e whakamahia ana hei puhui waihanga, he takawaenga i roto i te whakahiato waro me te rauemi mata.

 

Tikanga:

- Ka taea te whakarite 3-Pyridine formaldehyde ma te N-oxidation o te pyridine. Ko te tikanga whakahiatotanga e whakamahia nuitia ana ko te tauhohe i te pyridine me tetahi kaihoko waiora penei i te benzoyl peroxide, hydrogen peroxide ranei hei hanga 3-pyridine formaldehyde.

 

Mōhiohio Haumaru:

- Me whai whakaaro ki enei tikanga tiaki i te wa e whakamahi ana me te penapena 3-pyridine formaldehyde:

- A ape i te pa ki te kiri me te karo i te hoha, te horomia ranei i te puhui.

- Kia mau i nga karapu matū me nga kaakahu whakamarumaru ina whakamahi.

- Whakamahia i roto i te waahi pai te hau me te karo i te ahi, i te wera nui ranei.

- I te wa e penapena ana, me hiri tonu, kia matara atu i nga puna ahi me nga matū muramura.

- Ina whakamahi me te whakahaere i te 3-pyridine formaldehyde, whai i nga tikanga whakahaere haumaru me nga tikanga tiaki whaiaro.


  • Tōmua:
  • Panuku:

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