1,9-dibromononane
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | 1,9-dibromononane | |||||||||||||||
other names |
Nonamethylene dibromide |
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Molecular formula | C 9 H 18 Br 2 | |||||||||||||||
Brief description |
light yellow liquid |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 286.05 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
1.407 g cm −3 (25 ° C) |
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Melting point |
−22.5 ° C |
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boiling point |
285-288 ° C |
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Refractive index |
1.496 (20 ° C) |
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safety instructions | ||||||||||||||||
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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
- ↑ a b c d e f g h data sheet 1,9-dibromononane, 97% from Sigma-Aldrich , accessed on October 30, 2018 ( PDF ).
- ^ 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).
- ↑ WLF Armarego: Purification of Laboratory Chemicals . Butterworth-Heinemann, 2017, ISBN 978-0-12-805456-7 , pp. 225 ( limited preview in Google Book Search).
- ↑ Atti Della Fondazione Giorgio Ronchi Anno LXV N.6 . 2010, p. 739 ( limited preview in Google Book search).
- ↑ 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 .
- ↑ 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).