1,4-Dimethoxybenzene

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1,4-Dimethoxybenzene
File:P-Dimethoxybenzene.svg
style="background: #F8EABA; text-align: center;" colspan="2" | Identifiers
CAS number 150-78-7 YesY
ChemSpider 8666
RTECS number CZ6650000
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style="background: #F8EABA; text-align: center;" colspan="2" | Properties
Molecular formula C8H10O2
Molar mass 138.1668 g/mol
Appearance White Crystals
Density 0.79g/cm3
Melting point

56 - 60 °C

Boiling point

212.6 °C

Solubility in water Slightly soluble
Viscosity 1.04 cP at 65 °C
style="background: #F8EABA; text-align: center;" colspan="2" | Structure
Molecular shape Planar
style="background: #F8EABA; text-align: center;" colspan="2" | Hazards
EU classification Irritant (Xi)
R-phrases R36, R37, R38
S-phrases S26, S37, S39
Flash point 125 °C
Autoignition
temperature
422 °C
style="background: #F8EABA; text-align: center;" colspan="2" | Related compounds
 YesY (what is this?)  (verify)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox 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