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umkhiqizo

3 5-Dichloropyridine (CAS# 2457-47-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H3Cl2N
I-Molar Mass 147.99
Ukuminyana 1.39
I-Melting Point 65-67 °C (okhanyisiwe)
I-Boling Point 178 °C
I-Flash Point > 110°C
Ukuncibilika I-Chloroform, i-Ethyl Acetate
I-Vapor Presure 1.79E-14mmHg ku-25°C
Ukubukeka Impushana
Umbala Ukuncibilika Okuphansi Okumhlophe kuya Kokumhlophe
I-BRN 1973
pKa 0.32±0.10(Okubikezelwe)
Isimo Sesitoreji Umkhathi ongenayo, izinga lokushisa legumbi
I-Refractive Index 1.777
I-MDL Idatha ye-MFCD00006376
Izakhiwo Zomzimba Nezamakhemikhali Impushana emhlophe

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R37/38 – Ukucasula uhlelo lokuphefumula kanye nesikhumba.
R41 – Ingozi yokulimala okubi emehlweni
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S39 – Gqoka ukuvikela iso / ubuso.
S36 – Gqoka izingubo ezifanele zokuzivikela.
Ama-ID e-UN I-UN2811
I-WGK Germany 3
I-RTECS US8575000
Ikhodi ye-HS 29333990
Inothi Lengozi Iyacasula
I-Hazard Class 6.1

 

Isingeniso

I-3,5-Dichloropyridine iyinhlanganisela yezinto eziphilayo. Iwuketshezi olungenambala olunephunga elimnandi elinamandla.

I-3,5-dichloropyridine iphinde ihlangane kalula ne-sodium hydroxide yakhe igesi ye-hydrogen chloride enobuthi.

 

I-3,5-Dichloropyridine inezinhlobonhlobo zezinhlelo zokusebenza ohlelweni lwe-organic synthesis. Ingasetshenziswa njenge-ejenti yokuncipha ebalulekile yokuhlanganiswa kwama-ketone.

 

Kunezindlela eziningana zokulungisa i-3,5-dichloropyridine. Indlela evamile itholakala ngokuphendula i-pyridine ngegesi ye-chlorine. Izinyathelo eziqondile zifaka: ukwethulwa kwegesi ye-chlorine kwisisombululo esiqukethe i-pyridine ngaphansi kwezimo zokusabela ezifanele. Ngemuva kokusabela, umkhiqizo we-3,5-dichloropyridine wahlanzwa ngokufakwa emanzini.

 

Uma usebenzisa i-3,5-dichloropyridine, izinqubo ezihambisanayo zokusebenza zokuphepha kufanele zilandelwe futhi kugqokwe izinto zokuzivikela. Gwema ukuthinta isikhumba, amehlo, nolwelwesi lwamafinyila. Kufanele kuqashelwe ukuvikela ukuthi ingasabeli namanye amakhemikhali ngesikhathi iphathwa futhi igcinwa ukuze kugwenywe izingozi. Ngesikhathi sokugcina, i-3,5-dichloropyridine kufanele igcinwe esitsheni esingangeni moya futhi ibekwe endaweni epholile neyomile.


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