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2-Hydroxy-4-methyl-5-nitropyridine(CAS# 21901-41-7)

Āhuatanga matū:

Tātai rāpoi C6H6N2O3
Molar Mass 154.12
Kiato 1.4564 (whakatau tata)
Te Whakarewa 186-190 °C (marama)
Piro Pouri 277.46°C (whakatau tata)
Tohu Kohiko 130.4°C
Kohu Kohu 0.00188mmHg i te 25°C
Te ahua paura kōwhai
Tae Kowhai ki te karaka
BRN 136900
pKa 8.10±0.10(I Matapaetia)
Tikanga Rokiroki Puritia ki te wahi pouri, Hiri ki te maroke, Te Pawera Rua
Taurangi Refactive 1.5100 (whakatau tata)
MDL MCD00010690
Āhuatanga ā-tinana, matū hoki Ira whakarewa 186-190°C

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 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.
S36 – Mau kakahu whakamarumaru tika.
UN ID 2811
WGK Tiamana 3
Waehere HS 29337900
Te akomanga morearea 6.1
Roopu Tarapi III

 

Kupu Whakataki

He pūhui waro me te tātai matū C7H7N2O3.

 

Taiao:

he totoka me te kowhai kowhai ki te tae kowhai. He nui ake te whakarewa i roto i nga whakarewa me te iti ake te whakarewa i te wai. He momo ngingiha, a, ka wera, ka tupono ki te mura o te ahi ka puta mai he hauota hauota paitini (NOx).

 

Whakamahia:

He maha nga wa e whakamahia ana i roto i te whakahiato waro hei takawaenga nui. Ka taea te whakamahi i roto i te whakahiato o nga puhui pyridine, penei i te pesticides, te raau taero me te waikano. I tua atu, ka taea hoki te whakamahi hei ligand mo nga matatini whakarewa.

 

Tikanga:

I te nuinga o te wa ka whakaritea e te tauhohenga o te 4-methyl-2-nitropyridine me te konutai waikawa. I te nuinga o te wa ka mahia te tauhohenga i roto i te whakarewa pararopi ka taea te whiwhi i te hua.

 

Mōhiohio Haumaru:

He kino ki te tinana o te tangata. Ko te pa atu ki te kiri ka puta he mate mate mate, me karo i te ngohanga o te puehu me te kohu. I te wa e whakahaere ana, me mahi nga tikanga whakamarumaru e tika ana, penei i te mau karapu, karu me nga kakahu whakamarumaru. I te wa e whakamahia ana, e rokiroki ana ranei, me matara atu i te ahi me te waikura. Mēnā he rerenga ohorere, kia tere te whakarere i te wāhi turuturu ka tango i nga tikanga horoi tika.


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