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

Ngwongwo kemịkalụ:

Usoro ihe omimi C8H10O3
Molar Mass 154.16
Njupụta 1.1690 (atụmatụ siri ike)
Ebe Na-agbaze 50-57C (ọkụ)
Ebe Boling 261C (ọkụ)
Ebe mgbari >230°F
Nọmba JECFA 721
Mmiri Solubility 2 g/100 ml (13ºC)
Solubility Chloroform (obere), ethyl acetate (obere)
Uzuoku nrịbama 0.00591mmHg na 25°C
Ọdịdị Ntụ ntụ kristal, kristal, ma ọ bụ kristal siri ike
Agba Gbanyụọ-ọcha ma ọ bụ isi awọ ruo aja aja
BRN 1526871
pKa 9.97±0.10 (buru amụma)
Ọnọdụ Nchekwa Debe n'ebe gbara ọchịchịrị, ikuku na-adịghị mma, okpomọkụ ụlọ
Mmetụta Mmetụta ikuku
Ntụgharị uche 1.4745 (atụmatụ)
MDL MFCD00064434

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R22 - na-emerụ ma ọ bụrụ na iloro ya
R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
S37/39 - Yiri uwe aka kwesịrị ekwesị na nchebe anya / ihu
NJ UN UN 2811 6.1/PG 1
WGK Germany 3
RTECS SL0900000
TSCA Ee
Koodu HS 29095090
Ihe edeturu egwu Iwe iwe

 

Okwu mmalite

2,6-Dimethoxyphenol, nke a makwaara dị ka p-methoxy-m-cresol, bụ ngwakọta organic. Ihe na-esonụ bụ mmalite nke akụrụngwa, ojiji, ụzọ nkwadebe na ozi nchekwa nke 2,6-dimethoxyphenol:

 

Ngwongwo: Ọ bụ kristal na-acha ọcha siri ike nwere uto aromatic aromatic. Ọ fọrọ nke nta ka ọ ghara ịsacha ya na mmiri n'ime ọnụ ụlọ mana ọ na-agbaze na ihe mgbaze organic dị ka ethanol na methylene chloride.

 

Jiri:

 

Usoro:

Enwere ike nweta usoro nkwadebe nke 2,6-dimethoxyphenol site na methyl etherification nke p-cresol. Kpọmkwem, p-cresol nwere ike meghachi omume na methanol na kpụ ọkụ n'ọnụ na reflux site na iji ihe acidic catalyst (dịka, sulfuric acid) na-emepụta 2,6-dimethoxyphenol.

 

Ozi nchekwa:

Ekwesịrị izere ikpughe na 2,6-dimethoxyphenol dị ka o kwere mee. O nwere ike inwe mmetụta na-akpasu iwe na anya, akpụkpọ ahụ, na usoro iku ume. Ekwesịrị iyi akụrụngwa nchedo onwe onye kwesịrị ekwesị dị ka uwe aka na goggles mgbe ị na-eji ma ọ bụ na-ejikwa ya.


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