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umkhiqizo

2,6-Dimethoxyphenol(CAS#91-10-1)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H10O3
I-Molar Mass 154.16
Ukuminyana 1.1690 (isilinganiso esinzima)
I-Melting Point 50-57°C(lit.)
I-Boling Point 261°C(lit.)
I-Flash Point >230°F
Inombolo ye-JECFA 721
Ukuncibilika kwamanzi 2 g/100 mL (13 ºC)
Ukuncibilika I-Chloroform (Kancane), i-Ethyl Acetate (Kancane)
I-Vapor Presure 0.00591mmHg ku-25°C
Ukubukeka I-Crystalline Powder, Amakristalu, noma I-Crystalline Solid
Umbala Okumhlophe noma okumpunga kuya kunsundu
I-BRN 1526871
pKa 9.97±0.10(Okubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, emkhathini ongangeni, izinga lokushisa legumbi
Kuyazwela Izwela emoyeni
I-Refractive Index 1.4745 (isilinganiso)
I-MDL I-MFCD00064434

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

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-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
Ama-ID e-UN UN 2811 6.1/PG 1
I-WGK Germany 3
I-RTECS SL0900000
I-TSCA Yebo
Ikhodi ye-HS 29095090
Inothi Lengozi Iyacasula

 

Isingeniso

I-2,6-Dimethoxyphenol, eyaziwa nangokuthi i-p-methoxy-m-cresol, iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-2,6-dimethoxyphenol:

 

Izakhiwo: Kuqinile okucwebezelayo okumhlophe okunambitheka okunephunga elimnandi. Cishe ayincibiliki emanzini ngamazinga okushisa asekamelweni kodwa incibilika kuzincibilikisi zemvelo ezifana ne-ethanol ne-methylene chloride.

 

Sebenzisa:

 

Indlela:

Indlela yokulungiselela ye-2,6-dimethoxyphenol ingafinyelelwa nge-methyl etherification ye-p-cresol. Ngokukhethekile, i-p-cresol ingasabela nge-methanol futhi ishise futhi iguqulwe kabusha kusetshenziswa i-acidic catalyst (isb, i-sulfuric acid) ukukhiqiza i-2,6-dimethoxyphenol.

 

Ulwazi Lokuphepha:

Ukuchayeka ku-2,6-dimethoxyphenol kufanele kugwenywe ngangokunokwenzeka. Kungase kube nomthelela ocasulayo emehlweni, esikhumbeni, nasohlelweni lokuphefumula. Izimpahla zokuzivikela ezifanele ezifana namagilavu ​​nezibuko kufanele zigqokwe lapho usebenzisa noma uphatha.


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