Pentabromobenzene

Structural formula
General
Surname	Pentabromobenzene
other names	1,2,3,4,5-pentabromobenzene
Molecular formula	C 6 HBr 5
Brief description	white solid
External identifiers / databases
CAS number 608-90-2 EC number 621-703-4 ECHA InfoCard 100.150.532 PubChem 11854 Wikidata Q27255309
properties
Molar mass	472.595 g mol −1
Physical state	firmly
density	3.25 g cm −3
Melting point	160 ° C
boiling point	345 ° C
solubility	sparingly soluble in hot ethanol easily soluble in benzene
Refractive index	1.704
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

Pentabromobenzene is a chemical compound consisting of a benzene ring with five bromine atoms  (–Br) as substituents .

Extraction and presentation

Pentabromobenzene can be obtained by thermal decomposition of pentabromobenzenesulfonic acid. It can also be prepared together with tetrabromobenzenes by reacting nitrobenzene or dinitrobenzene with bromine at 250 ° C.

properties

Pentabromobenzene is a white solid that crystallizes out of ethanol in the form of needles .

See also

• Pentachlorobenzene

Individual evidence

1. ^ ^{A b} David R. Lide, GWA Milne: Handbook of Data on Common Organic Compounds . CRC Press, 1995, ISBN 978-0-8493-0404-0 , p. 428.
2. ↑ ^{a b c} data sheet 1,2,3,4,5-PENTABROMO-BENZENE, Aldrich bei Sigma-Aldrich , accessed on July 30, 2017 ( PDF ).
3. ^ ^{A b c d} Carl L. Yaws: The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals Physical Properties for More Than 54,000 Organic and Inorganic Chemical Compounds, Coverage for C1 to C100 Organics and Ac to Zr Inorganics . Gulf Professional Publishing, 2015, ISBN 978-0-12-801146-1 , p. 88.
4. ^ ^{A b c} Henry Watts: A dictionary of chemistry. (Second, Third suppl.). . Longman, Green, Roberts & Green, 1872, p. 263.
5. ^ Journal of the Chemical Society . The Society, 1876, p. 305.