Acetylene tetrabromide

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Acetylene tetrabromide
	Seletal formula of tetrabromoethane
	Stereo, skeletal formula of tetrabromoethane with all explicit hydrogens added
	Template:Chembox image sbs cell
Names
	IUPAC name 1,1,2,2-Tetrabromoethane
	Other names Acetylene tetrabromide[citation needed]; Muthmann's liquid[citation needed];
Identifiers
CAS Number	79-27-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	6339 ;
ECHA InfoCard	Lua error in Module:Wikidata at line 879: attempt to index field 'wikibase' (a nil value). Lua error in Module:Wikidata at line 879: attempt to index field 'wikibase' (a nil value).
MeSH	1,1,2,2-tetrabromoethane
PubChem CID	6588;
	InChI InChI=1S/C2H2Br4/c3-1(4)2(5)6/h1-2H Key: QXSZNDIIPUOQMB-UHFFFAOYSA-N ;
	SMILES BrC(Br)C(Br)Br;
Properties
Chemical formula	C2H2Br4
Molar mass	345.65 g·mol−1
Hazards
Related compounds
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Tetrabromoethane (TBE) is a halogenated hydrocarbon, chemical formula C₂H₂Br₄. Although three bromine atoms may bind to one of the carbon atoms creating 1,1,1,2-tetrabromoethane this is not thermodynamically favorable, so in practice tetrabromoethane is equal to 1,1,2,2-tetrabromoethane, where each carbon atom binds two bromine atoms.

It has an unusually high density for an organic compound, near 3 g/mL, due largely to the four bromine atoms.^[2] TBE is a liquid at room temperature, and is used to separate mineral ores from its supporting rock by means of preferential flotation. Sand, limestone, dolomite, and other types of rock material will float on TBE, while minerals such as sphalerite, galena and pyrite will sink. A related compound, bromoform, is also sometimes used in these applications, however, TBE is more practical because of its wider liquid range and lower vapor pressure.^[2] Acute TBE poisoning has been known to occur.^[3]

References

↑ "1,1,2,2-tetrabromoethane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identifiction. Retrieved 20 June 2012.
↑ ^2.0 ^2.1 Organic based heavy liquids, heavyliquids.com
↑ A B van Haaften (1969). "Acute tetrabromoethane (acetylene tetrabromide) intoxication in man". American Industrial Hygiene Association. 30 (3): 251–256. doi:10.1080/0002889698506042.

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[1] "1,1,2,2-tetrabromoethane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identifiction. Retrieved 20 June 2012.

[heavyliquids-2] 2.0 ^2.1 Organic based heavy liquids, heavyliquids.com

[3] A B van Haaften (1969). "Acute tetrabromoethane (acetylene tetrabromide) intoxication in man". American Industrial Hygiene Association. 30 (3): 251–256. doi:10.1080/0002889698506042.

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[2]

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Acetylene tetrabromide

Overview

References

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