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sehlahisoa

2-Fluoro-5-bromo-3-methylpyridine (CAS# 29312-98-9)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C6H5BrFN
'Misa oa Molar 190.01
Botenya 1,6 g/cm
Melting Point 60-63°C
Boling Point 205.4±35.0 °C(E boletsoeng esale pele)
Flash point 78°C
Solubility e qhibilihang ka har'a Methanol
Khatello ea Mouoane 0.358mmHg ho 25°C
Ponahalo phofo ho kristale
Mmala Bosweu ho ya ho Bosehla ba Kganya ho lamunu e kganyang
pKa -2.50±0.20(E boletsoeng esale pele)
Boemo ba polokelo Lula sebakeng se lefifi, sepakapaka se se nang moea, mocheso oa kamore
Refractive Index 1.529
Thepa ea 'Mele le ea Lik'hemik'hale Boima: 1.6

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.
R41 – Kotsi ya tshenyo e kgolo mahlong
R37/38 – E tenang tsamaiso ya ho hema le letlalo.
R22 – E kotsi ha e kwetswe
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.
S39 - Apara ts'ireletso ea mahlo / sefahleho.
S37 - Apara liatlana tse loketseng.
Khoutu ea HS 29339900
Sehlopha sa Likotsi TS'OALANG

 

Selelekela

Ke motsoako oa manyolo o nang le foromo ea lik'hemik'hale C7H6BrFN.

 

Tlhaho:

-Ponahalo: Mokelikeli o se nang 'mala ho isa ho o mosehla o khanyang

-Ntho e qhibilihang:-3 ℃

- Sebaka se belang: 204-205 ℃

- Boima: 1.518g/cm³

-Solubility: E qhibiliha hanyane ka metsing, e qhibiliha ka har'a metsoako e mengata ea tlhaho

 

Sebelisa:

E sebelisoa haholo ho organic synthesis joalo ka ea bohlokoa lipakeng. E ka sebelisoa ho kopanya lithethefatsi, chefo e bolaeang likokoanyana le metsoako e meng ea manyolo.

 

Mokhoa:

Mokhoa oa ho lokisetsa ke o latelang:

1. Ka 2-fluoropyridine le palo e itseng ea methyl bromide boteng ba oxidant chlorine kapa carbon peroxide reaction.

2. E lokiselitsoe ke karabelo ea 2-bromo-5-fluoropyridine le methyl lithium.

 

Lintlha tsa Tšireletseho:

E ka 'na ea halefisa' me ea senya 'mele oa motho, kahoo u lokela ho ela hloko mehato ea tšireletso ha u e sebelisa, ho kenyelletsa le ho apara li-gloves tse sireletsang, likhalase le liaparo tse sireletsang. Qoba ho hema mouoane oa eona kapa ho kopana le letlalo le mahlo. Haeba o hema kapa o pepesehetse motsoako, hlatsoa sebaka se amehileng hang-hang 'me u batle thuso ea bongaka haeba ho hlokahala.


  • E fetileng:
  • E 'ngoe:

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