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Sigma-Aldrich

3,5-Dimethoxytoluol

98%

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About This Item

Lineare Formel:
CH3C6H3(OCH3)2
CAS-Nummer:
4179-19-5
Molekulargewicht:
152.19
EG-Nummer:
224-048-9
MDL-Nummer:
MFCD00015435
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24866526
NACRES:
NA.22

Assay

98%

Form

liquid

Brechungsindex

n20/D 1.522 (lit.)

bp

244 °C (lit.)

Dichte

1.039 g/mL at 25 °C (lit.)

SMILES String

COc1cc(C)cc(OC)c1

InChI

1S/C9H12O2/c1-7-4-8(10-2)6-9(5-7)11-3/h4-6H,1-3H3

InChIKey

RIZBLVRXRWHLFA-UHFFFAOYSA-N

Allgemeine Beschreibung

3,5-Dimethoxytoluene (DMT) is a methoxylated phenolic derivative. It is reported to be one of the main constituent of the floral volatiles in different rose varieties. It has been biosynthesized from orcinol by two successive methylation catalyzed by O-methyltransferases (OMTs). The features of its aerobic oxidation with metal/bromide catalysts have been investigated.

Anwendung

3,5-Dimethoxytoluene (DMT) may be used in the synthesis of 3,5-dimethoxybenzoic acid by oxidation and 2-methoxy-6-methyl-1,4-benzoquinone by catalytic oxidation with hydrogen peroxide (H2O2)/methyltrioxorhenium (CH3ReO3) in dimethyl carbonate (DMC).

Piktogramme

Exclamation mark
GHS07

Signalwort

Warning

Gefahreneinstufungen

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Zielorgane

Respiratory system

Lagerklassenschlüssel

10 - Combustible liquids

WGK

WGK 3

Flammpunkt (°F)

215.6 °F - closed cup

Flammpunkt (°C)

102 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Analysenzertifikate (COA)

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1,3-Dimethoxybenzol ≥98%

Sigma-Aldrich

126306

1,3-Dimethoxybenzol

Zinn(IV)-chlorid 99.995% trace metals basis

Sigma-Aldrich

217913

Zinn(IV)-chlorid

The Unusual Characteristics of the Aerobic Oxidation of 3, 4-Dimethoxytoluene with Metal/Bromide Catalysts.
Partenheimer W.
Advanced Synthesis & Catalysis, 346(12), 1495-1500 (2004)
Studies in the biochemistry of micro-organisms: Synthesis of catenarin (1:4:5:7-tetrahydroxy-2-methylanthraquinone), a metabolic product of species of Helminthosporium.
W K Anslow et al.
The Biochemical journal, 35(8-9), 1006-1010 (1941-09-01)
Gabriel Scalliet et al.
Proceedings of the National Academy of Sciences of the United States of America, 105(15), 5927-5932 (2008-04-17)
The phenolic methyl ether 3,5-dimethoxytoluene (DMT) is a major scent compound of many modern rose varieties, and its fragrance participates in the characteristic "tea scent" that gave their name to Tea and Hybrid Tea roses. Among wild roses, phenolic methyl
Dimethyl carbonate: an environmentally friendly solvent for hydrogen peroxide (H2O2)/methyltrioxorhenium (CH3ReO3, MTO) catalytic oxidations.
Bernini R, et al.
Tetrahedron, 63(29), 6895-6900 (2007)
Feng Zhang et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 29(5), 411-413 (2005-02-15)
To establish a method for GC fingerprint determination of the chemical constituents in Herba Asari. GC and GC-MS were used to optimize the fingerprint determination method, and identify the main peaks in the GC fingerprint. A preferable method for GC
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