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umkhiqizo

I-Veratrole (CAS#91-16-7)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H10O2
I-Molar Mass 138.16
Ukuminyana 1.084g/mLat 25°C(lit.)
I-Melting Point 15°C(lit.)
I-Boling Point 206-207°C(lit.)
I-Flash Point 189°F
Inombolo ye-JECFA 1248
Ukuncibilika kwamanzi Incibilika otshwaleni, i-diethyl ether, i-acetone, ne-methanol. Incibilika kancane emanzini.
Ukuncibilika 6.69g/l engancibiliki
I-Vapor Presure 0.63 hPa (25 °C)
Ukubukeka Impushana
Umbala Okumhlophe kuya kukhilimu
I-Merck 14,9956
I-BRN 1364621
Isimo Sesitoreji Gcina ngaphansi kuka +30°C.
I-Refractive Index n20/D 1.533(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Ukuminyana 1.08
ukuncibilika 15°C
iphoyinti abilayo 206-207°C
inkomba ye-refractive 1.533-1.535
iphoyinti elikhanyayo 87°C
Sebenzisa Isetshenziswa njengendawo ephakathi ku-organic synthesis, futhi isetshenziswa embonini yezemithi ukwenza i-tetrahydropalmatine ne-isoboridine. Iphinde ibe yi-reagent yokunquma i-lactic acid ne-glycerol egazini.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi I-Xn - Iyingozi
Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R20/21/22 – Kuyingozi ngokuhogela umoya, ukuthintana nesikhumba futhi uma ukugwinyile.
Incazelo Yokuphepha S36 – Gqoka izingubo ezifanele zokuzivikela.
S23 – Ungawuphefumuli umhwamuko.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
I-WGK Germany 1
I-RTECS CZ6475000
I-TSCA Yebo
Ikhodi ye-HS 29093090
Ubuthi I-LD50 kumagundane, amagundane (mg/kg): 1360, 2020 ngomlomo (Jenner)

 

Isingeniso

I-Phthalate (eyaziwa nangokuthi i-ortho-dimethoxybenzene, noma i-ODM ngamafuphi) iwuketshezi olungenambala. Okulandelayo yisingeniso semvelo, ukusetshenziswa, indlela yokukhiqiza kanye nolwazi lokuphepha lwe-ODM:

Iyaguquguquka kakhulu ezingeni lokushisa lasekamelweni futhi ingancibilika ezinhlobonhlobo zezincibilikisi eziphilayo.

 

Ukusetshenziswa: I-ODM inohlu olubanzi lwezinhlelo zokusebenza emikhakheni eminingi. Ingase futhi isetshenziselwe ukwenza odayi, amapulasitiki, ama-synthetic resin, namanye amakhemikhali.

 

Indlela yokulungiselela: Ukulungiswa kwe-ODM kungenziwa ngokusabela kwe-phthalate etherification. Ngaphansi kwesenzo se-acid catalyst, i-phthalic acid ihlangana ne-methanol yakhe i-methyl phthalate. Bese, i-methyl phthalate isabela nge-methanol nge-alkali catalyst ukukhiqiza i-ODM.

 

Ulwazi lokuphepha: I-ODM inobuthi obuthile, futhi ukuphepha kufanele kunakwe lapho usebenzisa noma uphatha i-ODM. Kuwuketshezi oluvuthayo futhi kufanele kugwenywe ukuthintana nemithombo yomlilo. Gwema futhi ukuhogela, ukuthintana nesikhumba namehlo. Lapho usebenzisa i-ODM, kufanele kuthathwe izinyathelo zokuzivikela ezifanele njengokugqoka izibuko zokuzivikela namagilavu, nokuqinisekisa ukuthi isetshenziswa endaweni enomoya omuhle.


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