2,5-dimethyl anisole

Structural formula
General
Surname	2,5-dimethyl anisole
other names	2-methoxy-1,4-dimethylbenzene ( IUPAC ) 2-methoxy- p- xylene
Molecular formula	C 9 H 12 O
Brief description	colorless liquid
External identifiers / databases
CAS number 1706-11-2 EC number 216-943-8 ECHA InfoCard 100.015.403 PubChem 74350 ChemSpider 66945 Wikidata Q27288113
properties
Molar mass	136.19 g mol −1
Physical state	liquid
density	0.965 g cm −3 (20 ° C)
boiling point	190 ° C
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 302-315-318-335 P: 261-280-305 + 351 + 338
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

2,5-Dimethylanisole is a chemical compound from the group of phenol ethers .

presentation

2,5-dimethylanisole is by methylation of 2,5-dimethylphenol with dimethyl sulfate in terms of a Williamson ether synthesis accessible.

Synthesis of 2,5-dimethyl anisole

use

2,5-Dimethylanisole is used as a coupling component in the production of azo dyes , for example 2,5-dimethyl-4- (4-nitrophenylazo) anisole . In this synthesis, 4-nitroaniline as a diazo component is diazotized with sodium nitrite and hydrochloric acid at 8-15 ° C and coupled to 2,5-dimethylanisole.

Synthesis of an azo dye with 2,5-dimethylanisole as coupling component

Individual evidence

1. ↑ ^{a b c} Entry on 2,5-dimethylanisole in the GESTIS substance database of the IFA , accessed on February 29, 2020(JavaScript required) .
2. ↑ ^{a b} data sheet 2,5-dimethylanisole from Sigma-Aldrich , accessed on February 29, 2020 ( PDF ).
3. ↑ Klaus Schwetlick u. a .: Organikum . 21st edition. Wiley-VCH, Weinheim 2001, ISBN 3-527-29985-8 , pp. 239 .
4. ^ Hans E. Fierz-David , Louis Blangey: Basic operations of color chemistry . 7th edition. Springer-Verlag, Vienna 1947, ISBN 978-3-7091-3896-0 , p. 248 ( limited preview in Google Book search).