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sehlahisoa

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

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C6H6N2O3
'Misa oa Molar 154.12
Botenya 1.4564 (khakanyo e fosahetseng)
Melting Point 186-190 °C (hote.)
Boling Point 277.46°C (khakanyo e boima)
Flash point 130.4°C
Khatello ea Mouoane 0.00188mmHg ho 25°C
Ponahalo Phofo e mosehla
Mmala Bosehla ho isa ho lamunu
BRN 136900
pKa 8.10±0.10(E boletsoeng esale pele)
Boemo ba polokelo Boloka sebakeng se lefifi, se tiisitsoe moo ho omileng, Mocheso oa Kamore
Refractive Index 1.5100 (khakanyo)
MDL MFCD00010690
Thepa ea 'Mele le ea Lik'hemik'hale Sebaka sa ho qhibiliha ke 186-190°C

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
R20/21/22 – E kotsi ka ho hema, ho kopana le letlalo le ha e koetsoe.
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S37/39 - Apara liatlana tse loketseng le tšireletso ea mahlo / sefahleho
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
S36 - Apara liaparo tse loketseng tsa tšireletso.
Li-ID tsa UN 2811
WGK Jeremane 3
Khoutu ea HS 29337900
Sehlopha sa Likotsi 6.1
Sehlopha sa ho paka III

 

Selelekela

Ke motsoako oa manyolo o nang le foromo ea lik'hemik'hale C7H7N2O3.

 

Tlhaho:

e tiileng ka mmala o mosehla o mosehla ho isa ho o mosehla. E qhibiliha haholo ka har'a lihlapolli 'me ha e qhibilihe ka metsing. E na le tekanyo e itseng ea ho tuka, 'me ha e chesa kapa e kopana le lelakabe le bulehileng le tla hlahisa chefo ea nitrogen oxides (NOx).

 

Sebelisa:

Hangata e sebelisoa ho organic synthesis e le setsi sa bohlokoa. E ka sebelisoa ha ho etsoa metsoako ea pyridine, joalo ka chefo e bolaeang likokoanyana, lithethefatsi le dae. Ho phaella moo, e ka boela ea sebelisoa e le ligand bakeng sa li-complexes tsa tšepe.

 

Mokhoa:

Hangata e lokiselitsoe ke karabelo ea 4-methyl-2-nitropyridine le sodium hydroxide. Karabelo hangata e etsoa ka har'a mokelikeli oa lintho tse phelang 'me sehlahisoa se ka fumanoa.

 

Lintlha tsa Tšireletseho:

E kotsi 'meleng oa motho. Ho kopana le letlalo ho ka baka litlamorao tse fapaneng, 'me ho hema lerōle kapa mouoane ho lokela ho qojoa. Ha ho sebetsoa, ​​ho lokela ho nkoa mehato e loketseng ea tšireletso, e kang ho roala liatlana, likhalase le liaparo tse sireletsang. Ha e sebelisoa kapa e bolokiloe, e lokela ho ba hole le mollo le oxidant. Tabeng ea ho lutla ka phoso, tloha sebakeng sa ho lutla kapele 'me u nke mehato e nepahetseng ea ho hloekisa.


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  • E 'ngoe:

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