2,6-Dimethoxyphenol

Bezeichnung:2,6-Dimethoxyphenol

CAS-Nr91-10-1

Englisch Name:2,6-Dimethoxyphenol

CBNumberCB0112026

SummenformelC8H10O3

Molgewicht154.16

MOL-Datei91-10-1.mol

Synonyma

2,6-Dimethoxyphenol

2,6-Dimethoxyphenol physikalisch-chemischer Eigenschaften

Schmelzpunkt	50-57 °C(lit.)
Siedepunkt	261 °C(lit.)
Dichte	1.1690 (rough estimate)
Brechungsindex	1.4745 (estimate)
FEMA	3137 \| 2,6-DIMETHOXYPHENOL
Flammpunkt	>230 °F
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
Löslichkeit	Chloroform (Slightly), Ethyl Acetate (Slightly)
Aggregatzustand	Crystalline Powder, Crystals, or Crystalline Solid
pka	9.97±0.10(Predicted)
Farbe	Off-white or gray to brown
Geruch (Odor)	at 1.00 % in dipropylene glycol. smoky phenolic balsamic bacon powdery woody
Geruchsart	smoky
Wasserlöslichkeit	2 g/100 mL (13 ºC)
JECFA Number	721
BRN	1526871
InChIKey	KLIDCXVFHGNTTM-UHFFFAOYSA-N
LogP	0.77
CAS Datenbank	91-10-1(CAS DataBase Reference)
NIST chemische Informationen	Phenol, 2,6-dimethoxy-(91-10-1)
EPA chemische Informationen	Phenol, 2,6-dimethoxy- (91-10-1)

Sicherheit

Kennzeichnung gefährlicher	Xn,Xi
R-Sätze:	22-36/37/38
S-Sätze:	26-36-37/39
RIDADR	UN 2811 6.1/PG 1
WGK Germany	3
RTECS-Nr.	SL0900000
Hazard Note	Irritant
TSCA	Yes
HS Code	29095090

Gefahreninformationscode (GHS)

2,6-Dimethoxyphenol Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R22:Gesundheitsschädlich beim Verschlucken.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
Chemische Eigenschaften
2,6-Dimethoxyphenol is an off-white or grey to brown crystalline powder that has a woody, medicinal, rather dry odor.
Occurrence
Reported found in beechwood tar creosote, onion, garlic, leek, chive, nira (Allium tuberosum Rotti), nobira (Allium grayi Regal) and caucus (Allium victoralis L.)
Verwenden
2,6-Dimethoxyphenol has been used as a metabolite of lignin depolymerisation.It is also used as flavoring agent or adjuvant.It is reported to be the single most important flavor chemical in smoke flavors. It is used in smoke flavors, whisky, rum, tea, spice, savory, seafood, meat, liquorices, coffee, and nut flavors.
Definition
ChEBI: 2,6-dimethoxyphenol is a member of the class of phenols that is phenol substituted by methoxy groups at positions 2 and 6. It has a role as a plant metabolite. It is a member of phenols and a dimethoxybenzene.
synthetische
2,6-Dimethoxyphenol is prepared by reacting pyrogallol with methyl iodide in alkaline aqueous medium; by demethylation of pyrogallol trimethyl ether in aqueous alkali or in alcohol.
Aroma threshold values
Detection: 400 ppb to 1.85 ppm
Taste threshold values
Taste characteristics at 60 ppm: sweet, medicinal, creamy, meaty, vanilla, spice.
Synthesis Reference(s)
The Journal of Organic Chemistry, 44, p. 4444, 1979 DOI: 10.1021/jo01338a043
Tetrahedron Letters, 34, p. 7667, 1993 DOI: 10.1016/S0040-4039(00)61534-4
Allgemeine Beschreibung
2,6-Dimethoxyphenol has been identified as one of the volatile flavor constituents in shoyu (soy sauce), wine and wood smoke.
läuterung methode
Purify the phenol by zone melting or sublimation in a vacuum. [Beilstein 6 IV 7329.]

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