1,4-Dimethoxybenzene

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1,4-Dimethoxybenzene
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IUPAC name 1,4-Dimethoxybenzene
Other names Hydroquinone dimethyl ether;
p-Methoxyanisole;
2-Benzimidazolinone;
Dimethyl ether hydroquinone;;
USAF AN-9;
Dimethylhydroquinone ether;
Quinol dimethyl ether;
p-Dimethoxybenzene
Identifiers
CAS number 150-78-7
RTECS number CZ6650000
SMILES COc1ccc(OC)cc1
Properties
Molecular formula C8H10O2
Molar mass 138.1668 g/mol
Appearance White Crystals
Melting point

56 - 60 °C

Boiling point

212.6 °C

Solubility in water Slightly soluble
Viscosity 1.04 cP at 65 °C
Structure
Molecular shape Planar
Hazards
EU classification Irritant (Xi)
R-phrases R36, R37, R38
S-phrases S26, S37, S39
Flash point >100 °C
Autoignition
temperature
422 °C
Related Compounds
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

1,4-Dimethoxybenzene is the para form of dimethoxybenzene, a volatile aromatic ether with a sweet floral odor. It occurs naturally in willow (Salix) and Zuchini (Cucurbita pepo). It appears to attract bees as it has a powerful response in their antenna.

Uses

Dimethoxybenzene is useful as an intermediate in synthesis of pharmaceuticals as well as other organic molecules. It is used in some paints and as a diazo dye. Cosmetically it is used on greasy skin, and with sulfur to treat acne, or as a dandruff treatment. Because of its floral odor, it is useful in perfumes and flavors. It can be used as a developer in black and white film, and as a base in synthesizing catecholamines and phenethylamines.

References

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