3,5-dibromanisole

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Structural formula
Structural formula of 3,5-dibromanisole
General
Surname 3,5-dibromanisole
other names

1,3-dibromo-5-methoxybenzene

Molecular formula C 7 H 6 Br 2 O
External identifiers / databases
CAS number 74137-36-3
EC number 625-375-3
ECHA InfoCard 100.153.878
PubChem 11021812
ChemSpider 9196994
Wikidata Q223005
properties
Molar mass 265.93 g mol −1
Physical state

firmly

Melting point
  • 40 ° C
  • 34-38 ° C
boiling point

124 ° C (13 h Pa )

safety instructions
GHS labeling of hazardous substances
06 - Toxic or very toxic

danger

H and P phrases H: 301
P: 301 + 310
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

3,5-dibromanisole is a chemical compound that is derived from both anisole and dibromobenzenes .

presentation

3,5-dibromanisole can be prepared from 3,5-dibromophenol by methylation with dimethyl sulfate .

Production of 3,5-dibromanisole from 3,5-dibromophenol by methylation with dimethyl sulfate

properties

In contrast to the corresponding phenol, the nitration of 3,5-dibromanisole takes place only twice at positions 2 and 4; 3,5-dibromo-2,4-dinitroanisole is formed, which is converted into 3,5-dibromo-2, by ether cleavage. 4-dinitrophenol (melting point 146-147 ° C) can be converted.

Nitration of 3,5-dibromanisole and ether cleavage

The flash point of 3,5-dibromanisole is above 110 ° C.

Individual evidence

  1. ^ Dictionary of organic compounds, p. 1971 ( limited preview in Google book search).
  2. a b M. JJ Blanksma "Bromuration et nitration de phenol méta-substitues," in Rec Trav.. Chim , 1907 , 27 , pp. 25-41; Full text .
  3. a b c d e data sheet 3,5-dibromoanisole from Sigma-Aldrich , accessed on December 14, 2012 ( PDF ).
  4. a b M. Kohn, M. Heller: "About the exchangeability of halogen atoms and of nitro groups in some nitrohalophenol ethers. XIII. Communication on bromophenols", in: Monatshefte für Chemie , 1925 , 46  (1-2), p. 91– 100; doi : 10.1007 / BF01525493 .