isibhengezo_sekhasi

umkhiqizo

5-Amino-2-bromo-3-methylpyridine (CAS# 38186-83-3)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H7BrN2
I-Molar Mass 187.04
Ukuminyana 1.593±0.06 g/cm3(Kubikezelwe)
I-Melting Point 97-100 ℃
I-Boling Point 305.0±37.0 °C(Kubikezelwe)
I-Flash Point 138.246°C
I-Vapor Presure 0.001mmHg ku-25°C
Ukubukeka Okuqinile
Umbala Okumpunga
pKa 2.02±0.20(Kubikezelwe)
Isimo Sesitoreji ngaphansi kwegesi ye-inert (nitrogen noma i-Argon) ku-2–8 °C
I-Refractive Index 1.617

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R41 – Ingozi yokulimala okubi emehlweni
Ama-ID e-UN I-UN2811
Ikhodi ye-HS 29333999
I-Hazard Class 6.1

 

Isingeniso

I-5-Amino-2-bromo-3-picoline iyinhlanganisela ye-organic enefomula yamakhemikhali ethi C7H8BrN2. Okulandelayo yincazelo yemvelo yayo, ukusetshenziswa, ukulungiswa kanye nolwazi lokuphepha:

 

Imvelo:

I-5-Amino-2-bromo-3-picoline iqinile enefomu lekristalu elimhlophe ukuya kokuphuzi okuphaphathekile. Ingancibilika kuma-alcohol anhydrous, ethers nama-hydrocarbons ane-chlorine, ukuncibilika okuphansi emanzini. Iphuzu layo lokuncibilika licishe libe ngama-74-78 degrees Celsius.

 

Sebenzisa:

I-5-Amino-2-bromo-3-picoline, njengenhlanganisela ephakathi, isetshenziswa kakhulu ekuhlanganiseni kwe-organic. Ingasetshenziswa njengezinto zokuqala noma umkhiqizo omaphakathi wokusabela kwe-organic synthesis, futhi ingasetshenziswa ukuhlanganisa izinhlanganisela ezihlukahlukene eziqukethe i-nitrogen, odayi be-fluorescent, imithi kanye namanye amakhemikhali. Isibonelo, ingasetshenziswa ekulungiseleleni izibulala-zinambuzane, odayi, imithi nokunye okunjalo.

 

Indlela Yokulungiselela:

Indlela yokulungiselela ye-5-Amino-2-bromo-3-picoline ingafinyelelwa ngokusabela kwe-bromination ye-pyridine. Indlela evamile yokwenziwa ukusabela kwe-pyridine nge-bromoacetic acid, phambi kwe-asidi, ukunikeza umkhiqizo 5-Amino-2-bromo-3-picoline.

 

Ulwazi Lokuphepha:

Izifundo zokuphepha ku-5-Amino-2-bromo-3-picolini zikhawulelwe. Kodwa-ke, njengenhlanganisela yezinto eziphilayo, sicela ulandele imithetho evamile yokuphepha yaselabhorethri lapho uphatha, okuhlanganisa ukugqoka izinto ezifanele zokuzivikela ukuze ugweme ukuhogela, ukuthintana nesikhumba nokudla. Kufanele igcinwe endaweni eyomile, emnyama futhi igcinwe ihlukene nama-oxidants, ama-asidi aqinile nezisekelo eziqinile.


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