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423742

Sigma-Aldrich

3,5-Dimethoxytoluene

98%

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About This Item

Fórmula lineal:
CH3C6H3(OCH3)2
Número de CAS:
4179-19-5
Peso molecular:
152.19
EC Number:
224-048-9
MDL number:
MFCD00015435
UNSPSC Code:
12352100
PubChem Substance ID:
24866526
NACRES:
NA.22

assay

98%

form

liquid

refractive index

n20/D 1.522 (lit.)

bp

244 °C (lit.)

density

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

InChI key

RIZBLVRXRWHLFA-UHFFFAOYSA-N

General description

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.

Application

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).

Pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

215.6 °F - closed cup

flash_point_c

102 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Sigma-Aldrich

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Sigma-Aldrich

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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)
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
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)
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)
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