1,9-dibromononane

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Structural formula
Structural formula of 1,9-dibromononane
General
Surname 1,9-dibromononane
other names

Nonamethylene dibromide

Molecular formula C 9 H 18 Br 2
Brief description

light yellow liquid

External identifiers / databases
CAS number 4549-33-1
ECHA InfoCard 100.022.649
PubChem 20677
ChemSpider 19474
Wikidata Q57985160
properties
Molar mass 286.05 g mol −1
Physical state

liquid

density

1.407 g cm −3 (25 ° C)

Melting point

−22.5 ° C

boiling point

285-288 ° C

Refractive index

1.496 (20 ° C)

safety instructions
GHS labeling of hazardous substances
no GHS pictograms
H and P phrases H: no H-phrases
P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

1,9-Dibromononane is a chemical compound from the group of aliphatic , saturated halogenated hydrocarbons .

Extraction and presentation

1,9-dibromononane can be obtained by bromination of 1,9-nonanediol .

properties

1,9-dibromononane is a light yellow liquid. The molecule shows a C 2v symmetry.

use

1,9-Dibromononane is used as an intermediate in the production of other chemical compounds, such as liquid crystals .

Individual evidence

  1. ↑ a b c d e f g h data sheet 1,9-dibromononane, 97% from Sigma-Aldrich , accessed on October 30, 2018 ( PDF ).
  2. ^ William M. Haynes: CRC Handbook of Chemistry and Physics, 96th Edition . CRC Press, 2015, ISBN 978-1-4822-6097-7 , pp. 152 ( limited preview in Google Book search).
  3. ↑ WLF Armarego: Purification of Laboratory Chemicals . Butterworth-Heinemann, 2017, ISBN 978-0-12-805456-7 , pp. 225 ( limited preview in Google Book Search).
  4. ↑ Atti Della Fondazione Giorgio Ronchi Anno LXV N.6 . 2010, p. 739 ( limited preview in Google Book search).
  5. ↑ Virgil Percec, Mohammad Zuber et al. a .: Liquid-crystalline polyethers based on conformational isomerism. Part 22 — Hexagonal columnar mesophase in polyethers and copolyethers based on 1,4-bis [2- (4-hydroxyphenyl) ethyl] benzene, 1,2-bis (4-hydroxyphenyl) ethane and 1,9-dibromononane. In: J. Mater. Chem. 2, 1992, p. 407, doi: 10.1039 / JM9920200407 .
  6. ↑ Bill M. Culbertson, James E. McGrath: Advances in Polymer Synthesis . Springer Science & Business Media, 2012, ISBN 978-1-4613-2121-7 , pp. 138 ( limited preview in Google Book search).