isibhengezo_sekhasi

umkhiqizo

I-N-Methyl-p-toluene sulfonamide (CAS#640-61-9)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H11NO2S
I-Molar Mass 185.24
Ukuminyana 1.3400
I-Melting Point 76-79 °C (okhanyisiwe)
I-Boling Point 296.5±33.0 °C(Kubikezelwe)
I-Flash Point 133.1°C
Ukuncibilika I-Chloroform (Kancane), Ethyl Acetate (Kancane), Methanol (Kancane Kancane)
I-Vapor Presure 0.00143mmHg ku-25°C
Ukubukeka I-Crystalline Solid
Umbala Okumhlophe kuya kokuphuzi ngokukhanyayo
pKa 11.67±0.30(Okubikezelwe)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index 1.5650 (isilinganiso)
I-MDL I-MFCD00008285
Izakhiwo Zomzimba Nezamakhemikhali Iphuzu lokuncibilika lingu-76-80°C
Sebenzisa Ukuze polyamide resin plasticizer kanye intermediates imithi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-WGK Germany 3
Ikhodi ye-HS 29350090

 

Isingeniso

I-N-methyl-p-toluenesulfonamide, eyaziwa nangokuthi i-methyltoluenesulfonamide, iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo zayo, ukusetshenziswa kwayo, izindlela zokukhiqiza kanye nolwazi lokuphepha:

 

Ikhwalithi:

I-N-methyl-p-toluenesulfonamide iyikristale eqinile engenambala enephunga elihlanganisiwe le-aniline. Inoncibilika kancane emanzini kodwa iyancibilika kuzincibilikisi eziningi eziphilayo.

 

Sebenzisa:

I-N-methyl-p-toluenesulfonamide isetshenziswa kakhulu njenge-reagent eshintshayo ekuphenduleni kwe-organic synthesis. Ingasetshenziswa njenge-reagent ye-methylation, i-aminosation agent, ne-nucleophile.

 

Indlela:

Indlela yokulungiselela ye-N-methyl-p-toluenesulfonamide ivamise ukutholakala ngokuphendula i-toluene sulfonamide nama-reagents e-methylation (njenge-sodium methyl iodide) ngaphansi kwezimo ze-alkali. Izimo ezithile zokulungiselela kanye nezinyathelo zingalungiswa ngokuvumelana nezidingo zangempela.

 

Ulwazi Lokuphepha:

I-N-methyl-p-toluenesulfonamide ngokuvamile izinzile futhi iphephe kakhulu ngaphansi kwezimo ezivamile zokusetshenziswa. Isahlukaniswa njengekhemikhali futhi idinga ukuphathwa ngendlela efanele futhi igcinwe ukuze kugwenywe izingozi. Ukuthintana nesikhumba, amehlo, kanye nendlela yokuphefumula kufanele kugwenywe ngesikhathi sokusetshenziswa ukuze kuvinjelwe ukucasuka noma ukungezwani komzimba. Esimeni sokuchayeka noma ukuhogela, hlambulula ngokushesha ngamanzi amaningi futhi ufune usizo lwezokwelapha. Ukusabela kufanele kwenziwe ezimeni ezinomoya omuhle kanye nezinyathelo zokuzivikela ezifana namagilavu ​​okuvikela kanye nezibuko.


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