isibhengezo_sekhasi

umkhiqizo

I-Methyl 2 6-dichloronicotinate (CAS# 65515-28-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H5Cl2NO2
I-Molar Mass 206.03
Ukuminyana 1.426±0.06 g/cm3(Kubikezelwe)
I-Melting Point 56-60°C(lit.)
I-Boling Point 270.5±35.0 °C(Kubikezelwe)
I-Flash Point 117.405°C
I-Vapor Presure 0.007mmHg ku-25°C
Ubukhulu be-wavelength(λmax) 276nm(lit.)
pKa -4.55±0.10(Kubikezelwe)
Isimo Sesitoreji Umkhathi ongenayo, izinga lokushisa legumbi
Kuyazwela Kuyazwela emoyeni
I-Refractive Index 1.548
I-MDL MFCD07369794

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-WGK Germany 3
I-Hazard Class I-IRRITANT

 

Isingeniso

I-Methyl 2,6-dichloronicotinate iyinhlanganisela yemvelo enefomula C8H5Cl2NO2. Kuyikristalu eqinile enombala omhlophe kuya kokuphuzi okuphaphathekile. Inesisindo samangqamuzana angu-218.04g/mol.

 

Ukusetshenziswa okuyinhloko kwe-Methyl 2,6-dichloronicotinate kufana nendawo ephakathi yezibulala-zinambuzane nezibulala-zinambuzane. Ingasetshenziselwa ukuhlanganisa izibulala-zinambuzane ezihlukahlukene, njengezibulala-zinambuzane, ama-fungicides nama-herbicides. Ngaphezu kwalokho, ingasetshenziswa njenge-reagent ebalulekile ku-organic synthesis.

 

I-Methyl 2,6-dichloronicotinate ivame ukulungiswa ngokusabela i-2,6-dichloronicotinate nge-methanol. Ekuphenduleni, i-2,6-dichloronicotinate i-esterified nge-methanol phambi kwe-catalyst ene-acidic ukukhiqiza i-Methyl 2,6-dichloronicotinate.

 

Mayelana nolwazi lokuphepha, i-Methyl 2,6-dichloronicotinate iyinhlanganisela yezinto eziphilayo, ngakho-ke izinyathelo ezithile zokuphepha kufanele zithathwe ngesikhathi sokusebenza. Kungase kucasule isikhumba, amehlo kanye nendlela yokuphefumula, ngakho gqoka izibuko zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela ukuphefumula lapho usetshenziswa. Ukwengeza, futhi inobuthi futhi kufanele igcinwe kude nokudla namanzi okuphuza, futhi izimo ezinhle zokungenisa umoya kufanele ziqinisekiswe. Lapho usebenzisa, ugcina futhi uphatha i-Methyl 2,6-dichloronicotinate, landela izinqubo nemithetho zokuphepha yendawo efanele.


  • Okwedlule:
  • Olandelayo:

  • Bhala umyalezo wakho lapha futhi usithumelele wona