isibhengezo_sekhasi

umkhiqizo

I-Methyl 5-chloropyrazine-2-carboxylate (CAS# 33332-25-1)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H5ClN2O2
I-Molar Mass 172.57
Ukuminyana 1.372±0.06 g/cm3(Kubikezelwe)
I-Melting Point 89-90 °C(Solv: ligroine (8032-32-4))
I-Boling Point 242.8±35.0 °C(Kubikezelwe)
I-Flash Point 117.146°C
I-Vapor Presure 0.018mmHg ku-25°C
Ukubukeka Okuqinile
pKa -4.54±0.10(Kubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
I-Refractive Index 1.525
I-MDL I-MFCD01632102
Izakhiwo Zomzimba Nezamakhemikhali I-Methyl 5-chloropyrazine-2-carboxylate inephuzu lokuncibilika elingu-89-90°C, indawo yokubilisa engu-242.8±35.0°C(Predicted), ukuminyana okungu-1.372±0.06g/cm3(Predicted), kanye ne-coefficient of acidity. (pKa). Yebo -4.54±0.10(Kubikezelwe).

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha 26 - Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-WGK Germany 3
I-Hazard Class I-IRRITANT

 

Isingeniso

I-Methyl-5-chloropyrazine-2-carboxylate iyinhlanganisela ye-organic ene-chemical formula C7H5ClN2O2. Okulandelayo incazelo eningiliziwe yemvelo yayo, ukusetshenziswa, ukulungiswa kanye nolwazi lokuphepha:

 

Imvelo:

-Ukubukeka: I-Methyl-5-chloropyrazine-2-carboxylate isesimweni samakristalu amhlophe noma i-crystalline powder.

-Indawo yokuncibilika: mayelana ne-54-57 ℃.

-Indawo yokubilisa: Mayelana ne-253-254 ℃.

-Ukunyibilika: I-Methyl-5-chloropyrazine-2-carboxylate iyancibilika kwezinye izinyibilikisi zemvelo, njenge-ethanol ne-dichloromethane.

-Ukuzinza: Inhlanganisela izinzile ngaphansi kwezimo ezivamile zokugcina.

 

Sebenzisa:

I-Methyl-5-chloropyrazine-2-carboxylate inenani elithile lohlelo lokusebenza ku-chemical synthesis kanye nenkundla yezemithi.

-I-Chemical synthesis: Ingasetshenziswa njengezinto zokusetshenziswa noma i-intermediate in organic synthesis for synthesis of other compounds, like pesticides, odayi kanye ne-intermediate yemithi.

-Insimu yemithi: I-Methyl-5-chloropyrazine-2-carboxylate isebenza njengendawo ephakathi ekuhlanganiseni kwezidakamizwa ezithile futhi inemisebenzi yezinto eziphilayo ezifana ne-antibacterial, sedative kanye ne-anti-inflammatory.

 

Indlela:

I-Methyl-5-chloropyrazine-2-carboxylate ingalungiswa ngezinyathelo ezilandelayo:

1. Yenza i-5-chloropyrazine ne-Formic Anhydride ukukhiqiza i-5-chloropyrazine -2-Formic Anhydride.

2. Yenza i-5-chloropyrazine-2-carboxylic anhydride ene-methanol ukukhiqiza umkhiqizo oqondiwe i-Methyl-5-chloropyrazine-2-carboxylate.

Lona umzila olula wokuhlanganiswa kwamakhemikhali, kodwa indlela ethile yokuhlanganisa ingase yehluke kuye ngezidingo ezihlukene zocwaningo.

 

Ulwazi Lokuphepha:

-I-Methyl-5-chloropyrazine-2-carboxylate ivamise ukuvikeleka ngaphansi kokusebenza okufanele, kodwa izinyathelo zokuphepha ezilandelayo kusafanele zibhekwe:

-Thintana: Gwema ukuthintana ngqo nesikhumba namehlo. Gqoka izinto zokuzivikela ezifana namagilavu ​​aselabhorethri kanye nezibuko lapho usebenza.

-Ukuhogela: Uhlelo lokungenisa umoya olusebenzayo kufanele lufakwe ngesikhathi sokusebenza ukuze kuqinisekiswe ukugeleza komoya okuhle kwangaphakathi. Gwema ukuhogela uthuli noma umhwamuko.

-okudliwayo: I-Methyl-5-chloropyrazine-2-carboxylate yamakhemikhali, ivinjelwe ngokuqinile.

-Isitoreji: Gcina inhlanganisela endaweni eyomile, epholile, nengena umoya, kude nomlilo nezinto ezivuthayo.

 

Uyacelwa ukuthi uqaphele ukuthi imininingwane engenhla ingeyereferensi kuphela, futhi kufanele uqaphele futhi ulandele imithetho efanele yokuphepha yaselabhorethri lapho usebenzisa lesi sithako.


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