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3-Ethyl Pyridine(CAS#536-78-7)

Āhuatanga matū:

Tātai rāpoi C7H9N
Molar Mass 107.15
Kiato 0.954 g/mL i te 25 °C (marama)
Te Whakarewa -77 °C
Piro Pouri 163-166 °C (marama)
Tohu Kohiko 120°F
Nama JECFA 1315
Wairewa wai 270.1g/L(196 ºC)
Wairewa waipiro: ka whakarewa noa
Kohu Kohu 2.42mmHg i te 25°C
Te ahua wai marama
Te taumahatanga motuhake 0.954
Tae Taekore ki Tata kore tae
Merck 14,3848
BRN 106479
pKa pK1:5.80(+1) (20°C)
Te pumau Eu ana. He mura ahi. Kaore i te hototahi ki nga matū whakahaora kaha, waikawa kaha. He makuku pea.
Tairongo Hygroscopic
Taurangi Refactive n20/D 1.502(marama)

Taipitopito Hua

Tohu Hua

Waehere Morearea R10 – He mura ahi
R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
R34 – He weranga
R23/24/25 – He paitini ma te horomia, ka pa ki te kiri me te horomia.
Whakaahuatanga Haumaru S16 – Kia matara atu i nga puna o te mura.
S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S36/37 – Mau kakahu whakamarumaru me nga karapu tika.
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.
UN ID UN 1993 3/PG 3
WGK Tiamana 3
TSCA Ae
Waehere HS 29333990
Te akomanga morearea 3
Roopu Tarapi III

 

Kupu Whakataki

Ko te 3-Ethylpyridine he pūhui waro. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o te 3-ethylpyridine:

 

Kounga:

Te ahua: Te wai kore tae.

Kiato: approx. 0.89 g/cm³.

Wairewa: whakarewa i roto i nga whakarewa pararopi penei i te waiwaro me te etera.

 

Whakamahia:

Hei whakarewa: me te pai o te whakarewatanga, ka whakamahia te 3-ethylpyridine hei whakarewa i roto i te whakahiato waro, hei whakarewa me te reagent i roto i nga tauhohenga whakahiato waro.

Tohu Waikawa-Tuku: Ka taea te whakamahi i te 3-ethylpyridine hei tohu tohu waikawa-waahi me te whai waahi ki te huringa tae i roto i te titration waikawa-papa.

 

Tikanga:

3-Ethylpyridine ka taea te whakahiato mai i te pyridine ethylated. Ko te tikanga noa ko te tauhohe i te pyridine me te ethylsulfonyl chloride ki te whakaputa 3-ethylpyridine.

 

Mōhiohio Haumaru:

Kia tupato ki te kore e pa ki te kiri me nga kanohi i te wa e mahi ana te 3-ethylpyridine, me te whakarite kia whakahaerehia i roto i te waahi pai-hau kia kore ai e ngotea ona kohu.

Mena kua pa atu koe ki te 3-ethylpyridine, me horoi tonu koe ki te nui o te wai me te rapu wawe i nga rongoa.

Ko te 3-Ethylpyridine me penapena ki roto i te ipu hau, kei tawhiti atu i nga wera nui me nga puna mura.


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