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143758 Aldrich

3,4-Dimethoxybenzaldehyde

99%

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

  • CAS Number 120-14-9

  • Linear Formula (CH3O)2C6H3CHO

  • Molecular Weight 166.17

  •  Beilstein Registry Number 473899

  •  EC Number 204-373-2

  •  MDL number MFCD00003363

  •  PubChem Substance ID 24848608

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Properties

Related Categories Aldehydes, Building Blocks, C9, Carbonyl Compounds, Chemical Synthesis,
InChI Key   WJUFSDZVCOTFON-UHFFFAOYSA-N
assay   99%
bp   281 °C(lit.)
mp   40-43 °C (lit.)
solubility   alcohol: freely soluble
  diethyl ether: freely soluble
  water: slightly soluble (hot)

Description

Packaging

5, 100, 500 g in poly bottle

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.

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.

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
YX5088000
Flash Point(F) 
235.4 °F
Flash Point(C) 
113 °C

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