isibhengezo_sekhasi

umkhiqizo

1-Methyl-6-oxo-1 6-dihydropyridine-3-carboxylic acid (CAS# 3719-45-7)

Isakhiwo Samakhemikhali:

I-Molecular Formula C7H7NO3
I-Molar Mass 153.14
Ukuminyana 1.381±0.06 g/cm3(Kubikezelwe)
I-Melting Point 240-245°C
I-Boling Point 329.6±35.0 °C(Kubikezelwe)
I-Flash Point 153.2°C
Ukuncibilika Dichloromethane, Methanol
I-Vapor Presure 3.44E-05mmHg ku-25°C
Ukubukeka Okuqinile
Umbala Emhlophe
pKa 3.85±0.50(Kubikezelwe)
Isimo Sesitoreji 2-8°C
I-Refractive Index 1.577
I-MDL I-MFCD00031002

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-S36/37 – Gqoka izingubo zokuzivikela ezifanele namagilavu.
I-WGK Germany 3
I-Hazard Class I-IRRITANT

 

Isingeniso

I-1-Methyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid, eyaziwa nangokuthi i-Methyl 6-oxo-1,6-dihydropyridine-3-carboxylate, efushanisiwe njenge-MOM-PyCO2H. Okulandelayo yisingeniso semvelo yayo, ukusetshenziswa, izindlela zokukhiqiza kanye nolwazi lokuphepha:

 

Ikhwalithi:

I-MOM-PyCO2H iyinhlanganisela yemvelo enekristalu emhlophe kuya kokuphuzi okuphaphathekile noma impushana ecwebezelayo.

 

Sebenzisa:

I-MOM-PyCO2H isetshenziswa kakhulu kukhemikhali ye-organic synthesis futhi isetshenziswa ikakhulukazi njengendawo ephakathi kokuhlangana kwe-organic. Ingangeniswa kuma-molecule e-organic njengeqembu elibalulekile elisebenzayo, ngaleyo ndlela iguqule izakhiwo nomsebenzi we-molecule.

 

Indlela:

Ukulungiswa kwe-MOM-PyCO2H kuvame ukufezwa ngokusabela kwamakhemikhali. Indlela evamile iwukusabela i-sodium cyanide nge-methyl carbonate ukuze kukhiqizwe i-1-methyl-6-oxo-1,6-dihydropyridin-3-formylhydrazide, ebese i-oxidized emkhiqizweni oqondiwe we-MOM-PyCO2H.

 

Ulwazi Lokuphepha:

UMAMA-PyCO2H iphephile, kodwa njenge-ejenti yamakhemikhali, iseyingozi. Izinqubo ezidingekayo zokusebenza zokuphepha kufanele zilandelwe ngesikhathi sokusetshenziswa. Ukuthinta noma ukuhogela into ethile kungase kubangele ukucasuka, futhi ukuthintana ngqo nesikhumba, amehlo, njll. kufanele kugwenywe ngangokunokwenzeka. Uma isetshenziswa endaweni yaselabhorethri, izinto zokuzivikela ezifanele njengamagilavu ​​nezibuko kufanele zigqokwe. Kufanele futhi igcinwe endaweni epholile, eyomile futhi enomoya omuhle, kude nemithombo yomlilo kanye nezinto ezivuthayo. Uma kwenzeka ingozi, kufanele ngokushesha uthathe izinyathelo eziphuthumayo ezifanele futhi uxhumane nochwepheshe.


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