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2-Bromo-4-methyl-3-nitropyridine (CAS# 23056-45-3)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C6H5BrN2O2
'Misa oa Molar 217.02
Botenya 1.709±0.06 g/cm3(E boletsoeng esale pele)
Boling Point 263.3±35.0 °C(E boletsoeng esale pele)
Flash point 113°C
Khatello ea Mouoane 0.017mmHg ho 25°C
pKa -2.59±0.18(E boletsoeng esale pele)
Boemo ba polokelo tlas'a khase ea inert (naetrojene kapa Argon) ho 2-8°C
Refractive Index 1.599

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.
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
Sehlopha sa Likotsi TS'OALANG

 

Selelekela

Ke motsoako oa organic o nang le foromo ea lik'hemik'hale tsa C, H, BrN, O. Se latelang ke selelekela sa tse ling tsa thepa ea eona, tšebeliso, mekhoa le tlhaiso-leseling ea polokeho:

 

Tlhaho:

-Ponahalo: Ha e na mebala ho isa ho kristale e mosehla kapa sebopeho sa phofo.

-Solubility: E ka qhibiliha ka har'a metsoako ea lintho tse phelang, tse kang ethanol, dimethyl sulfoxide le chloroform, empa e sa qhibilihe ka metsing.

 

Sebelisa:

-Synthetic chemistry: Ke ligand tse sebelisoang hangata, tse ka etsang li-complexes tse nang le litšepe tsa phetoho 'me li sebelisoa e le li-catalysts in organic synthesis.

-Ho hlahisa chefo e bolaeang likokoanyana: E ka boela ea sebelisoa e le setsi sa chefo e itseng.

 

Mokhoa:

Mokhoa oa ho lokisa o ka etsoa ka mehato e latelang:

1. Ntlha ea pele, lutidine e qhibiliha ka dimethyl sulfoxide.

2. Ka mocheso o tlase, butle-butle eketsa asiti ea nitric ha u ntse u boloka mocheso oa karabelo o ka tlase ho likhato tse 0 tsa Celsius.

3. Butle-butle eketsa bromoethane Dropwise tsamaisong ea karabelo, tsoela pele ho boloka mocheso o tlaase, 'me u hlohlelletse ho fihlela qetellong ea karabelo.

4. Qetellong, motsoako oa karabelo o tlhotliloeng, o hlatsuoa, o khabisoa le ho omisoa ho fumana khalsiamo.

 

Lintlha tsa Tšireletseho:

E ka baka likotsi tse itseng 'meleng oa motho le tikolohong, kahoo o hloka ho ela hloko litaba tsa bophelo bo botle le polokeho ha o sebelisa le ho sebetsana le tsona. Lintlha tse ling tsa polokeho ke tsena:

-Apara lisebelisoa tse nepahetseng tsa ts'ireletso joalo ka liatlana, likhalase le liaparo tsa tšireletso ha u sebelisoa.

- Qoba ho hema lerole la eona le ho ama letlalo. Haeba ho ka etsahala hore u kopane ka phoso, hang-hang hlatsoa sebaka se amehileng ka metsi a mangata 'me u batle thuso ea bongaka.

-E-ba hole le mehloli ea mocheso le mollo nakong ea polokelo le ts'ebetsong, 'me u boloke moea o motle.

- Qoba ho kopana ka ho toba le li-oxidants, acid, alkalis le lintho tse ling ho qoba liketso tse kotsi.

 

Ka kopo hlokomela hore lintlha tse fanoeng mona ke tsa litšupiso feela. Ha u sebelisa le ho sebetsana le lik'hemik'hale ka mokhoa o sebetsang, etsa bonnete ba hore u bua ka lingoliloeng tse amehang le ho sebetsana le melao ea tšireletso, 'me u latele tataiso ea setsebi.


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona