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4-Nitrobenzhydrazide(CAS#636-97-5)

Āhuatanga matū:

Tātai rāpoi C7H7N3O3
Molar Mass 181.15
Kiato 1.3539 (whakatau tata)
Te Whakarewa 210-214 °C
Piro Pouri 292.97°C (whakatau tata)
Wairewa acetone: wairewa0.5g/10 mL, maamaa, kowhai
Te ahua tioata
Tae Kōwhai
Te roangaru mōrahi(λmax) ['267nm']
BRN 519882
pKa 2.77, 11.17(i te 25 ℃)
Taurangi Refactive 1.5860 (whakatau tata)

Taipitopito Hua

Tohu Hua

Waehere Morearea R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
R20/21/22 – He kino ma te horomia, ka pa ki te kiri me te horomia.
Whakaahuatanga Haumaru S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
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
WGK Tiamana 3
RTECS DH5670000
TSCA Ae
Waehere HS 29280000
Te akomanga morearea TANGATA

 

Kupu Whakataki

Ko te 4-nitrobenzoylhydrazide he pūhui waro.

 

Kounga:

Ko te 4-Nitrobenzoylhydrazide he totoka kowhai ki te karaka karaka ka whakarewahia i roto i te chloroform, te waiwaro, me te whakarewa waikawa, a tata kore e rewa ki te wai. He mura ahi, he pahū, ā, me āta whakahaere.

 

Whakamahia:

Ko te 4-nitrobenzoylhydrazide he reagent matū e whakamahia nuitia ana hei reagent hono, reagent amination me te cyanide reagent i roto i te whakahiato waro.

 

Tikanga:

Ko te tikanga whakarite o te 4-nitrobenzoylhydrazide he maha nga wa e whakamahi ana i te tauhohenga o te benzaldehyde me te haukini hauwai, he nitrified ki te whakaputa i te 4-nitrobenzaldehyde, katahi ka whiwhihia te 4-nitrobenzoylhydrazide na roto i te tauhohenga whakaheke.

 

Mōhiohio Haumaru:

Ko te 4-Nitrobenzoylhydrazide he nui te mate o te pahū me te tiaki kia kore e pa atu ki te kiri me te inhalation. Me whai waahi tika i te wa e whakahaere ana me te rokiroki kia noho haumaru ai. Kia ata mohio ki nga korero haumaru e tika ana i mua i te whakamahi: me te whai i te tikanga tika mo te whakahaere me te whakamahi.


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