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2 3-Diamino-5-bromopyridine (CAS# 38875-53-5)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C5H6BrN3
'Misa oa Molar 188.03
Botenya 1.6770 (khakanyo e fosahetseng)
Melting Point 155 °C (Dec.) (hote.)
Boling Point 180 °C(Tobetsa: 0.005-0.01 Torr)
Flash point 147.9°C
Ho qhibiliha ha Metsi qhibilihang ka metsing a chesang
Solubility e qhibilihang ka har'a Methanol
Khatello ea Mouoane 0.000308mmHg ho 25°C
Ponahalo Phofo e sootho e khanyang
Mmala Bosehla bo kganyang ho isa bopherese kapa bosootho bo kganyang
BRN 119436
pKa 4.53±0.49(E boletsoeng esale pele)
Boemo ba polokelo Boloka sebakeng se lefifi, se tiisitsoe moo ho omileng, Mocheso oa Kamore
E hloahloa Polokelo e tletseng naetrojene
Refractive Index 1.6400 (khakanyo)
MDL MFCD00460094

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
R34 – E baka ho cha
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S36 - Apara liaparo tse loketseng tsa tšireletso.
S37/39 - Apara liatlana tse loketseng 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.)
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
WGK Jeremane 3
Khoutu ea HS 29333990
Tsebiso ea Kotsi E tenang
Sehlopha sa Likotsi 6.1
Sehlopha sa ho paka III

 

Selelekela

5-Bromo-2,3-diaminopyridine ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa sebopeho sa eona, tšebeliso, mekhoa ea tlhahiso le tlhaiso-leseling ea polokeho:

 

Boleng:

- Ponahalo: 5-Bromo-2,3-diaminopyridine e tšoeu ho ea ho khanya e mosehla ea crystalline kapa phofo ea crystalline.

- Sollubility: Motsoako o qhibiliha hanyane ka metsing 'me o na le ho qhibiliha hamonate lihlapollong tsa tlhaho.

 

Sebelisa:

- 5-Bromo-2,3-diaminopyridine hangata e sebelisoa e le reagent ho organic synthesis reactions.

- E ka sebelisoa e le setsi sa ho kopanya metsoako kapa li-catalysts.

 

Mokhoa:

Tokisetso ea 5-bromo-2,3-diaminopyridine e ka finyelloa ka mehato e latelang:

1. Hlakola 2,3-diaminopyridine ka ho hlapolla hydrochloric acid pele.

2. Sodium nitrite ebe e kenngoa ho theha metsoako ea nitroso.

3. Tlas'a maemo a ho hlatsoa metsi a leqhoa, bromide ea potassium e kenngoa ho theha 5-bromo-2,3-diaminopyridine.

 

Lintlha tsa Tšireletseho:

- 5-Bromo-2,3-diaminopyridine ke motsoako oa lintho tse phelang o lokelang ho bolokoa le ho sebelisoa ka nepo ho qoba ho kopana le letlalo le mahlo.

- Ha o sebetsa, ho lokela ho nkuoa mehato e metle ea polokeho ea laboratori, joalo ka ho roala lisebelisoa tse nepahetseng tsa ts'ireletso (mohlala, liatlana, likhalase, jase ea lab, jj.).

- Tšoara motsoako ka tsela ea ho qoba likotsi tse bakoang ke ho hema, ho e noa kapa ho kopana.

Lipatlisisong tsa lik'hemik'hale le litekong, ho bohlokoa ho etsa mosebetsi o motle oa tsamaiso ea ts'ireletso ea laboratori le ho sebetsa ho latela tataiso ea litsebi.


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  • E 'ngoe:

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