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143758

3,4-Dimethoxybenzaldehyde

99%

Synonym(s):

Methylvanillin, NSC 24521, NSC 8500, Vanillin methyl ether, Veratraldehyde

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About This Item

Linear Formula:
(CH3O)2C6H3CHO
CAS Number:
120-14-9
Molecular Weight:
166.17
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24848608
EC Number:
204-373-2
Beilstein/REAXYS Number:
473899
MDL number:
MFCD00003363
Assay:
99%
Form:
solid
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Quality Segment

100

assay

99%

form

solid

bp

281 °C (lit.)

mp

40-43 °C (lit.)

solubility

alcohol: freely soluble, diethyl ether: freely soluble, water: slightly soluble (hot)

functional group

aldehyde

SMILES string

[H]C(=O)c1ccc(OC)c(OC)c1

InChI

1S/C9H10O3/c1-11-8-4-3-7(6-10)5-9(8)12-2/h3-6H,1-2H3

InChI key

WJUFSDZVCOTFON-UHFFFAOYSA-N

General description

3,4-Dimethoxybenzaldehyde forms 1:1 inclusion complexes with cyclodextrins. It reacts with 3-acetyl-2,5-dimethythiophene to yield chalcone dye, (2E)-3-(3,4-Dimethoxyphenyl)-1-(2,5-dimethylthiophen-3-yl)prop-2-en-1-one.

Application

3,4-Dimethoxybenzaldehyde was used in the preparation of 4-chloromethyl-2-(dimethoxyphenyl)-1,3-dioxolane. It was used in the synthesis of (+)-lithospermic acid, having anti-HIV activity.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302,H315

Hazard Classifications

Acute Tox. 4 Oral - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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