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sehlahisoa

5-Bromo-2 4-dichloropyrimidine (CAS# 36082-50-5)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C4HBRCl2N2
'Misa oa Molar 227.87
Botenya 1.781 g/mL ho 25 °C (hote.)
Melting Point 29-30 °C (hote.)
Boling Point 128 °C/15 mmHg (hote.)
Flash point >230°F
Solubility Chloroform (Hanyenyane), Ether (Hanyenyane), Ethyl Acetate (Hanyenyane), Toluene (Slig
Khatello ea Mouoane 0.004mmHg ho 25°C
Ponahalo Mafura a se nang mmala
Matla a Khoheli a khethehileng 1.781
Mmala Ha e na 'mala ho isa ho mosehla o khanyang
BRN 124441
pKa -4.26±0.29(E boletsoeng esale pele)
Boemo ba polokelo Boemo bo sa tsitsang, Mocheso oa Kamore
Refractive Index n20/D 1.603(lit.)
MDL MFCD00127818
Thepa ea 'Mele le ea Lik'hemik'hale Seela se se nang mmala kapa se mosehla o bobebe
Sebelisa E sebelisoa e le lisebelisoa tse tala bakeng sa ho kopanya li-pyrimidine tse tharo ka ho kopanya likarolo tsa nucleophilic substitution le palladium-catalyzed aryl cross-coupling reactions.

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R23/24/25 – E na le chefo ka ho hema, ho kopana le letlalo le haeba e koetsoe.
R34 – E baka ho cha
R43 – E ka baka maikutlo a matla ka ho ama letlalo
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S27 - Tlosa hang-hang liaparo tsohle tse silafetseng.
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso 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 UN 3263 8/PG 2
WGK Jeremane 3
Khoutu ea HS 29335990
Tsebiso ea Kotsi Chefo/ E senyang
Sehlopha sa Likotsi 8
Sehlopha sa ho paka III

 

Selelekela

5-Bromo-2,4-dichloropyrimidine ke motsoako oa lintho tse phelang.

 

Boleng:

- Ponahalo: 5-Bromo-2,4-dichloropyrimidine ke kristale e tšoeu e tiileng.

- Ho qhibiliha ha metsi: 5-Bromo-2,4-dichloropyrimidine e na le ho qhibiliha ha tlaase metsing 'me e qhibiliha ka har'a metsoako ea tlhaho e kang ethanol le acetone.

 

Sebelisa:

- Likokoana-hloko: 5-bromo-2,4-dichloropyrimidine e ka sebelisoa e le karolo ea chefo e bolaeang likokoanyana ea metsoako ea heterocyclic, haholo-holo bakeng sa ho laola mofoka oa metsing le mofoka o pharaletseng.

 

Mokhoa:

Tšimoloho ea 5-bromo-2,4-dichloropyrimidine e ka etsoa ka mekhoa e fapaneng, mokhoa o tloaelehileng ke ho itšoara ka 2,4-dichloropyrimidine le bromine. Karabelo ena hangata e hlahisoa ke sodium bromide.

 

Lintlha tsa Tšireletseho:

- 5-Bromo-2,4-dichloropyrimidine e ka bola ka mocheso o phahameng, ea hlahisa khase e chefo ea hydrogen chloride. Lithempereichara tse phahameng le li-acid tse matla li lokela ho qojoa nakong ea ho tšoara le ho boloka.

- 5-Bromo-2,4-dichloropyrimidine e halefisa mahlo le letlalo mme e tlameha ho qojoa. Li-gloves tse sireletsang, likhalase le seaparo sa lab se lokela ho apesoa nakong ea ts'ebetso.


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  • E 'ngoe:

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