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2 5-Dibromo-3-nitropyridine (CAS# 15862-37-0)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C5H2Br2N2O2
'Misa oa Molar 281.89
Botenya 2?+-.0.06 g/cm3(E boletsoeng esale pele)
Melting Point 92.0 ho isa ho 96.0 °C
Boling Point 272.7±35.0 °C(E boletsoeng esale pele)
Flash point 132.7°C
Solubility e qhibilihang ka har'a Methanol
Khatello ea Mouoane 0.00263mmHg ho 25°C
Ponahalo Tiileng
Mmala Bosehla
pKa -5.60±0.20(E boletsoeng esale pele)
Boemo ba polokelo tlas'a khase ea inert (nitrogen kapa Argon) ka 2-8 °C
Refractive Index 1.649

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Kotsi le Polokeho

Likhoutu tsa Kotsi 25 - Chefo haeba e koetsoe
Tlhaloso ea Tšireletseho 45 - Haeba ho ka etsahala kotsi kapa ha u ikutloa u sa phele hantle, batla keletso ea bongaka hang-hang (bontša lengolo neng le neng ha ho khoneha.)
Li-ID tsa UN UN 2811 6.1 / PGIII
WGK Jeremane 3
Sehlopha sa Likotsi TS'OALANG

Selelekela
2,5-Dibromo-3-nitropyridine (2,5-dibromo-3-nitropyridine) ke motsoako oa lintho tse phelang. Tse ling tsa thepa, ts'ebeliso, tokiso le tlhaiso-leseling ea polokeho ea 2,5-dibromo-3-nitropyridine li fanoe ka tlase:

Thepa:
- Ponahalo : 2,5-Dibromo-3-nitropyridine ke 'mala o mosehla.
- Solubility : 2,5-Dibromo-3-nitropyridine e qhibiliha ka har'a li-solvents tse kang ethanol, dimethyl sulfoxide le dichloromethane 'me ha li kenelle metsing.

Lisebelisoa:
- 2,5-Dibromo-3-nitropyridine e sebelisoa e le karolo e bohareng ea motsoako oa lintho tse phelang.
- E boetse e sebelisoa ha ho lokisoa metsoako ea heterocyclic e nang le naetrojene, joalo ka li-derivatives tsa pyridine.

Mokhoa oa ho itokisa:
- Tokisetso ea 2,5-dibromo-3-nitropyridine hangata e etsoa ke karabelo ea maiketsetso. Tsela e tloaelehileng ea maiketsetso ke ho fumana sehlahisoa se lebisitsoeng ho pyridine e le ntho e qalang ka bromination le nitration. Mehato e nepahetseng ea maiketsetso e ka fetoloa kamoo ho hlokahalang.

Lintlha tsa Tšireletseho:
- 2,5-Dibromo-3-nitropyridine ha e na likotsi tse khethehileng tsa tšireletso tlas'a maemo a tloaelehileng a tšebeliso.
- Leha ho le joalo, joalo ka lik'hemik'hale, mekhoa e tloaelehileng ea tšireletso ea laboratori e tlameha ho lateloa. Ho kopana le letlalo, mahlo le lera la mucous le lokela ho qojoa. Mehato ea ts'ireletso ea motho e kang liatlana, likhalase le seaparo sa laboratori e lokela ho hlokomeloa nakong ea ts'ebetso.
- Haeba ho ka kenngoa ka phoso kapa ho hema motsoako, batla tlhokomelo ea meriana hang-hang. Haeba u shebane le letlalo kapa mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle thuso ea bongaka.


  • E fetileng:
  • E 'ngoe:

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