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W267104

Sigma-Aldrich

2-Methoxy-4-methylphenol

≥98%, FG

Synonym(s):

2-Hydroxy-5-methylanisole, 2-Methoxy-p-cresol, 4-Hydroxy-3-methoxytoluene, 4-Methylguaiacol, Creosol

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About This Item

Linear Formula:
CH3OC6H3(CH3)OH
CAS Number:
93-51-6
Molecular Weight:
138.16
FEMA Number:
2671
Beilstein/REAXYS Number:
1862340
EC Number:
202-252-9
Council of Europe no.:
175
MDL number:
MFCD00002378
UNSPSC Code:
12164502
PubChem Substance ID:
24901236
Flavis number:
4.007
NACRES:
NA.21

biological source

synthetic

Quality Level

400

grade

FG
Fragrance grade
Halal
Kosher

agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 117
FDA 21 CFR 172.515

assay

≥98%

color

colorless to light yellow

refractive index

n20/D 1.537 (lit.)

bp

221-222 °C (lit.)

mp

5 °C (lit.)

density

1.092 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

organoleptic

clove; leathery; spicy; smoky; sweet; vanilla

SMILES string

COc1cc(C)ccc1O

InChI

1S/C8H10O2/c1-6-3-4-7(9)8(5-6)10-2/h3-5,9H,1-2H3

InChI key

PETRWTHZSKVLRE-UHFFFAOYSA-N

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General description

2-Methoxy-4-methylphenol is one of the main volatile aroma compounds identified in wood smoke and oak-aged wines.

Biochem/physiol Actions

Odor at 1.0%
Taste at 1.0-1.25 ppm

Other Notes

Natural occurrence: Coffee, gruyere cheese, pork, beer, rum, bourbon whiskey, malt, sherry, cocoa, tea, mushroom, bourbon vanilla, green mate and jasmine flowers.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

210.2 °F - closed cup

flash_point_c

99 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR7634
SHBQ1491
SHBP5508
SHBN9123
STBJ8447

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Stir bar sorptive extraction for the determination of volatile compounds in oak-aged wines.
Marin J, et al.
Journal of Chromatography A, 1098(1), 1-6 (2005)
The flavor chemistry of wood smoke.
Maga JA
Food Reviews International, 3(1-2), 139-183 (1987)
Day-Shin Hsu et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 16(10), 3121-3131 (2010-02-02)
An efficient and short entry to polyfunctionalized linear triquinanes from 2-methoxyphenols is described by utilizing the following chemistry. The Diels-Alder reactions of masked o-benzoquinones, derived from 2-methoxyphenols, with cyclopentadiene afford tricyclo[5.2.2.0(2,6)]undeca-4,10-dien-8-ones. Photochemical oxa-di-pi-methane (ODPM) rearrangements and 1,3-acyl shifts of the
Anthea L Fudge et al.
Journal of agricultural and food chemistry, 60(1), 52-59 (2011-12-02)
In this study, the suitability of mid-infrared (MIR) spectroscopy, combined with principal component analysis (PCA) and linear discriminant analysis (LDA), was evaluated as a rapid analytical technique to identify smoke tainted wines. Control (i.e., unsmoked) and smoke-affected wines (260 in
N Ogata et al.
Research communications in chemical pathology and pharmacology, 77(3), 359-366 (1992-09-01)
Wood creosote, a mixture of guaiacol, creosol, and other related phenolic compounds, suppresses the spontaneous longitudinal phasic contractions of an isolated rat ileal segment. Thirty-two phenolic compounds were screened for this activity to identify the active substances in wood creosote.
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