isibhengezo_sekhasi

umkhiqizo

2-Chloro-3-methyl-5-bromopyridine (CAS# 29241-60-9)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H5BrClN
I-Molar Mass 206.47
Ukuminyana 1.6567 (isilinganiso esinzima)
I-Melting Point 40-44 °C
I-Boling Point 78°C/3mmHg(lit.)
I-Flash Point 95.5°C
I-Vapor Presure 0.0817mmHg ku-25°C
Ukubukeka Amakristalu ansundu ngokukhanyayo kuya kwamhlophe
Umbala Okumhlophe kuya Kucishe kube mhlophe
pKa -1?+-.0.10(Kubikezelwe)
Isimo Sesitoreji ngaphansi kwegesi ye-inert (nitrogen noma i-Argon) ku-2-8°C
I-Refractive Index 1.5400 (isilinganiso)
I-MDL I-MFCD03095093

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.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
Ikhodi ye-HS 29333990
I-Hazard Class I-IRRITANT

 

Isingeniso

Kuyinhlanganisela yemvelo enefomula yamakhemikhali i-C7H6BrClN. Ngezansi kunolunye ulwazi mayelana nezakhiwo zayo, ukusetshenziswa, ukukhiqizwa nokuphepha.

 

Imvelo:

-Ukubukeka: Angenambala amakristalu aphuzi ngokuphaphathekile.

-I-Solubility: I-Soluble ku-ethanol, i-methanol, i-dichloromethane ne-dimethyl sulfite, futhi ayincibiliki emanzini.

 

Sebenzisa:

-iyinto ebalulekile ephakathi ku-organic synthesis, esetshenziswa kabanzi emkhakheni wezidakamizwa, izibulala-zinambuzane, odayi kanye nezingubo.

 

Indlela: Indlela yokulungiselela ye

-noma ingafinyelelwa ngokusabela inhlanganisela ye-benzyl nge-chlorine, i-bromine noma ezinye izinhlanganisela ze-halogen, bese yenza ukusabela kwe-chlorination noma ukubhula.

 

Ulwazi Lokuphepha:

-yinhlanganisela yezinto eziphilayo ezidinga ukuphathwa ngokuhambisana nezinqubo eziphephile zokusebenza zaselabhorethri yamakhemikhali.

-Kungase kubangele ukucasuka emehlweni, isikhumba kanye nomgudu wokuphefumula. Gqoka izinto zokuzivikela ezifanele njengezingilazi zokuzivikela, amagilavu ​​namamaski okuzivikela ngesikhathi sokusebenza.

-Gwema ukuphefumula igesi, uthuli noma intuthu futhi uqinisekise ukuthi usebenza endaweni engenawo umoya.

-Uma uthinta isikhumba noma amehlo, geza ngokushesha ngamanzi amaningi futhi ufune usizo lwezokwelapha.

-Ngesikhathi sokugcina nokuphatha, gwema ukuthintana nama-oxidants aqinile, ama-acids aqinile nezinye izinto ukuze uvimbele ukusabela okuyingozi.


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