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2-Chloro-3-bromo-5-nitropyridine (CAS# 5470-17-7) Setšoantšo se Featured
  • 2-Chloro-3-bromo-5-nitropyridine (CAS# 5470-17-7) 1

2-Chloro-3-bromo-5-nitropyridine (CAS# 5470-17-7)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C5H2BrClN2O2
'Misa oa Molar 237.44
Botenya 1.936±0.06 g/cm3(E boletsoeng esale pele)
Melting Point 54-58
Boling Point 293.8±35.0 °C(E boletsoeng esale pele)
Flash point 131.5°C
Khatello ea Mouoane 0.00295mmHg ho 25°C
Ponahalo Tiileng
pKa -4.99±0.10(E boletsoeng esale pele)
Boemo ba polokelo Boloka sebakeng se lefifi, se tiisitsoe moo ho omileng, Mocheso oa Kamore
Refractive Index 1.627
MDL MFCD00233989

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R25 – E chefo ha e koetsoe
R41 – Kotsi ya tshenyo e kgolo mahlong
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S39 - Apara ts'ireletso ea mahlo / sefahleho.
S45 – Ha ho ka etsahala kotsi kapa ha o ikutlwa o sa phele hantle, batla keletso ya bongaka hanghang (bontsha leibole neng kapa neng ha ho kgoneha.)
Li-ID tsa UN 2811
WGK Jeremane 1
Sehlopha sa Likotsi TS'OALANG
Sehlopha sa ho paka Ⅲ

 

Selelekela

Ke motsoako oa manyolo oo motsoako oa oona oa lik'hemik'hale e leng C5H2BrClN2O2.

 

Tlhaho:

1. Ponahalo: Ke ntho e tiileng, hangata e le phofo e mosehla ea kristale.

2. Solubility: E ka qhibiliha ka har'a li-solvents (tse kang dichloromethane, ether, joalo-joalo), empa ho qhibiliha ha metsi ho tlaase.

 

Sebelisa:

Ke motsoako oa bohlokoa oa bohareng, o sebelisoang haholo lefapheng la lik'hemik'hale tsa lik'hemik'hale.

1. Tšebeliso ea lithethefatsi: E ka sebelisoa ho kopanya metsoako e sebetsang ea biologically, joalo ka lithethefatsi, chefo e bolaeang likokoanyana, joalo-joalo.

2. Tšebeliso ea dae: E ka sebelisoa ho kopanya dae le li-pigments.

3. Tšimoloho ea chefo e bolaeang likokoanyana: e ka sebelisoa bakeng sa meriana ea maiketsetso le meriana e bolaeang limela.

 

Mokhoa oa ho itokisa: Tokisetso ea

e ka etsoa ka karabelo e nkhang hamonate ea nitration, mehato e tobileng ke e latelang:

1. Tlas'a maemo a loketseng, pyridine e sebetsanoa le concentrated nitric acid ho fumana pyridine-3-nitric acid.

2. Pyridine-3-nitric acid e ntan'o itšoara ka cuprous bromide ho fumana 3-bromopyridine.

3. Qetellong, 3-bromopyridine e sebetsanoa le silevera chloride ho fumana sehlahisoa sa ho qetela.

 

Lintlha tsa Tšireletseho:

1. e na le tekanyo e itseng ea ho teneha le chefo, ka kopo qoba ho kopana le letlalo, mahlo le tsamaiso ea ho hema.

2. ts'ebetsong, o lokela ho roala liatlana tse sireletsang, likhalase le limaske le lisebelisoa tse ling tsa ho itšireletsa.

3. nakong ea polokelo le tšebeliso, e lokela ho bolokoa ka thoko ho li-inflammables, li-oxidants le lintho tse ling.

4. Ha u lahla litšila, ka kopo latela melaoana ea sebaka sa ho lahla litšila ho fokotsa kotsi ea tšilafalo ea tikoloho.

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  • E 'ngoe:
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