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2-Bromo-5-nitropyridine(CAS# 4487-59-6)

Waiwai Kemika:

ʻĀpana Molekala C5H3BrN2O2
Molar Mass 202.99
ʻO ka mānoanoa 1.833±0.06 g/cm3(Wanamua)
Lae hehee 111-115 ℃
Lae Boling 251.6±20.0 °C(Wānana ʻia)
Lae Flash 106°C
Puʻupuʻu mahu 0.0322mmHg ma 25°C
pKa -1.16±0.20(Wanamua)
Kūlana Waihona Ka lewa inert, ka wela lumi
Hōʻike Hōʻike 1.614
MDL MFCD04114216

Huahana Huahana

Huahana Huahana

Nā Code Risk R25 - He mea ʻawaʻawa inā ʻai ʻia
R41 – Ka pilikia o ka poino nui i na maka
Ka wehewehe palekana S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
S39 - Hoʻohana i ka pale maka / maka.
S45 – Inā loaʻa ka pōʻino a i ʻole ka maikaʻi ʻole, e ʻimi koke i ka ʻōlelo aʻo kino (e hōʻike i ka lepili inā hiki.)
UN ID UN 2811 6.1 / PGIII
WGK Kelemānia 3

 

Hoʻolauna

ʻO ka 2-Bromo-5-nitropyridine he mea hoʻohuihui mea ola me ke ʻano kemika C5H3BrN2O2. Eia ka wehewehe ʻana o kona ʻano, hoʻohana, hoʻomākaukau a me ka ʻike palekana.

 

ʻAno:

ʻO 2-Bromo-5-nitropyridine kahi paʻa keʻokeʻo me kahi ʻono oxalic acid. He kiʻekiʻe ka wela a me ka paʻa kemika. Hiki ke hoʻoheheʻe ʻia i loko o ka wai ma ke ana wela, hiki ke hoʻoheheʻe ʻia i loko o nā mea hoʻoheheʻe kūlohelohe e like me ka ethanol a me ka acetone.

 

E hoʻohana:

ʻO 2-Bromo-5-nitropyridine ka nui o nā noi. He waiwai maka koʻikoʻi a waena i ka synthesis organik. Hiki ke hoʻohana ʻia i ka synthesis o nā pesticides, dyes, photosensitive material a me pharmaceutical compounds. Eia kekahi, hiki ke hoʻohana ʻia e like me ka catalyst a me ka ligand.

 

Kaʻina hoʻomākaukau:

ʻO nā ʻano hana synthesis 2-Bromo-5-nitropyridine ka mea nui:

1. e ka 2-bromopyridine a me ka nitric acid ka hopena ma lalo o nā kūlana acidic.

2. e 3-bromopyridine a me ka sodium nitrite hopena ma lalo o nā kūlana alkaline.

 

ʻIke palekana:

ʻO 2-Bromo-5-nitropyridine he mea ʻawaʻawa me kekahi mau pōʻino. E noʻonoʻo pono i kēia mau mea palekana i ka wā o ka hoʻohana ʻana a me ka mālama ʻana:

1. pale i ka inhalation o ka lepo a me ka mahu, pono e noho ma kahi maikai-ventilated e hana.

2. pale aku i ka pili ana me ka ili, ka maka a me ka mucous membrane, e like me ka pili ana e holoi koke me ka wai nui, a e imi i ke kokua kino.

3. E hoʻolohe i ke ahi a me ka pahū ʻana, e pale i ka hoʻopili ʻana me nā mea puhi ahi.

4. E kūʻai i loko o kahi pahu i hoʻopaʻa ʻia, ma kahi mamao o ke ahi a me ka oxidant.

5. E hoʻolei aku e like me nā kānāwai kūloko e pale aku i ka hoʻokuʻu pololei ʻana i ke kaiapuni.

 

Hōʻuluʻulu manaʻo:

ʻO ka 2-Bromo-5-nitropyridine kahi hui kūlohelohe me ka nui o nā noi. Eia nō naʻe, ma muli o kona ʻawaʻawa, pono e hoʻolohe i ka hana palekana, mālama pono a me ka hoʻolei ʻana i nā mea koena.


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