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sehlahisoa

2 4-Dibromopyridine (CAS# 58530-53-3)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C5H3Br2N
'Misa oa Molar 236.89
Botenya 2.059±0.06 g/cm3(E boletsoeng esale pele)
Melting Point 35-40 °C
Boling Point 238°C(lebone)
Flash point >110℃
Solubility e qhibilihang ka har'a Methanol
Khatello ea Mouoane 0.0321mmHg ho 25°C
Ponahalo phofo ho hlapa ho hlakisa lero
Mmala E tšoeu kapa e se na 'Mala ho ea ho E batla e le tšoeu kapa E batla e se na 'mala
pKa 0.17±0.10(E boletsoeng esale pele)
Boemo ba polokelo Boloka sebakeng se lefifi, se tiisitsoe moo ho omileng, Mocheso oa Kamore
E hloahloa Hygroscopic
Refractive Index 1.607
MDL MFCD01859720

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R20/21/22 – E kotsi ka ho hema, ho kopana le letlalo le ha e koetsoe.
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
R22 – E kotsi ha e kwetswe
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
S36 - Apara liaparo tse loketseng tsa tšireletso.
S37 - Apara liatlana tse loketseng.
S22 - U se ke ua hema lerole.
Li-ID tsa UN 2811
WGK Jeremane 1
Sehlopha sa Likotsi TS'OALANG
Sehlopha sa ho paka

 

Selelekela

2,4-Dibromopyridine ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa sebopeho sa eona, tšebeliso, mokhoa oa ho lokisa le tlhaiso-leseling ea polokeho:

 

Boleng:

- Ponahalo: 2,4-dibromopyridine ke kristale e se nang 'mala kapa e bobebe e mosehla.

- Solubility: 2,4-dibromopyridine e qhibiliha ka har'a metsoako e mengata ea tlhaho e kang ethanol, dimethyl sulfoxide le chloroform.

 

Sebelisa:

- Dyes: Ke dae e sebelisoang hangata e bohareng e ka sebelisoang ho kopanya lidae ka mebala e fapaneng.

 

Mokhoa:

2,4-Dibromopyridine e ka lokisoa ka mekhoa e latelang:

- Catalyst bromination: Tlas'a maemo a alkaline, 2,4-dibromopyridine e ka fumanoa ka ho arabela pyridine ka moemeli oa brominating.

- Carbon-deuterium chiral halogenation reaction: 2,4-dibromopyridine e fumanoa ka ho arabela substrate ka bromine.

 

Lintlha tsa Tšireletseho:

Tšireletseho le ts'ebeliso ea 2,4-dibromopyridine e lokela ho bonoa ho latela lintlha tse latelang:

- Motsoako ona o chefo 'me o lokela ho tšoaroa ka hloko.

- Thepa e nepahetseng ea ts'ireletso joalo ka liatlana, likhalase le liaparo tsa ts'ireletso li tlameha ho apesoa nakong ea ts'ebetso le ts'ebeliso.

- Qoba ho hema lerole la eona kapa ho kopana le letlalo le mahlo.

- E lokela ho sebetsoa sebakeng se nang le moea o motle 'me u qobe ho kopana le mohloli oa mollo ho thibela hore o se ke oa tšoara mollo kapa oa phatloha.

- Mekhoa e nepahetseng ea ts'ebetso e bolokehileng e lokela ho lateloa nakong ea ho tšoara le ho boloka.

 


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