isibhengezo_sekhasi

umkhiqizo

6-bromo-2-methyl-3-nitropyridine (CAS# 22282-96-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H5BrN2O2
I-Molar Mass 217.02
Ukuminyana 1.709±0.06 g/cm3(Kubikezelwe)
I-Melting Point 69-70°C
I-Boling Point 274.0±35.0 °C(Kubikezelwe)
I-Flash Point 119.5°C
Ukuncibilika I-Chloroform
I-Vapor Presure 0.0093mmHg ku-25°C
Ukubukeka Okuqinile
Umbala Okuphuzi
pKa -2.52±0.10(Kubikezelwe)
Isimo Sesitoreji 2-8°C
I-Refractive Index 1.599
I-MDL I-MFCD03095219

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R37/38 – Ukucasula uhlelo lokuphefumula kanye nesikhumba.
R41 – Ingozi yokulimala okubi emehlweni
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S39 – Gqoka ukuvikela iso / ubuso.
I-WGK Germany 3
I-Hazard Class I-IRRITANT

 

Isingeniso

Kuyinhlanganisela yemvelo enefomula yamakhemikhali i-C6H5BrN2O2. Okulandelayo incazelo yezinye izakhiwo zayo, ukusetshenziswa, izindlela kanye nolwazi lokuphepha:

 

Imvelo:

-Ukubukeka: I-crystalline emhlophe eqinile.

-Indawo yokuncibilika: mayelana ne-130-132 degrees Celsius.

Iphuzu elibilayo: mayelana nama-267-268 degrees Celsius.

-I-Solubility: Incibilika kwezinye izinyibilikisi zemvelo.

 

Sebenzisa:

-Ingasetshenziselwa ukusabela kwe-organic synthesis, njengokusabela kwe-cyanidation, ukusabela kwe-nitrate.

-Isetshenziswa kaningi njengengxenye ebalulekile yokuhlanganiswa kwamanye ama-organic compounds.

-Emkhakheni wocwaningo lwezidakamizwa, ibuye isetshenziselwe ukulungisa ezinye izidakamizwa ezilwa namagciwane.

 

Indlela: I-synthesis ye

- ngokuvamile itholakala nge-nitrate ye-pyridine. I-Pyridine iqala ukusabela nge-nitric acid kanye ne-concentrate sulfuric acid, bese iphathwa nge-hydrogen bromide solution ukuze kutholwe umkhiqizo ohlosiwe.

 

Ulwazi Lokuphepha:

-ingxube yemvelo enezinga elithile lengozi. Gqoka amagilavu ​​okuzivikela kanye nezibuko ngesikhathi usebenza ukuze ugweme ukuthintana ngqo nesikhumba namehlo.

-Gwema ukuhogela uthuli noma igesi futhi usebenze endaweni yaselabhorethri engenawo umoya.

-I-compound ingaba nemiphumela ye-teratogenic, carcinogenic noma eminye eyingozi kubantu, ngakho-ke izinqubo zokuphepha ezifanele kufanele zilandelwe ngokuqinile. In the contact noma inhalation emva overdose, kufanele kube ukwelashwa ngesikhathi esifanele.


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