Chemistry:1,1-Dibromoethane

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1,1-Dibromoethane
Stereo, skeletal formula of 1,1-dibromoethane with all explicit hydrogens added
Spacefill model of 1,1-dibromoethane
Bond and Stick model of 1,1-dibromoethane
Line model of 1,1-dibromoethane
Names
Preferred IUPAC name
1,1-Dibromoethane[1]
Other names
Ethylidene bromide, ethylidene dibromide
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 209-184-9
RTECS number
  • KH9000000
UNII
Properties
C2H4Br2
Molar mass 187.862 g·mol−1
Appearance Colorless liquid
Melting point −63.0 °C; −81.3 °F; 210.2 K
Boiling point 108.1 °C; 226.5 °F; 381.2 K
3.4 g/L (25 °C)
Solubility soluble in ether, ethanol, acetone,and benzene
slight soluble chloroform
log P 1.9 (estimated)
1.51277 (at 20 °C)
Hazards
Safety data sheet fishersci.com
GHS Signal word DANGER
H301, H311, H315, H319, H331
P261, P264, P270, P271, P280, P311, P312, P321, P322, P330, P361, P362, P363, P405, P501
NFPA 704 (fire diamond)
Flammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilHealth code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
1
2
0
Flash point > 93 °C (199 °F; 366 K)
Related compounds
Related alkanes
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
Tracking categories (test):

1,1-Dibromoethane is a clear, slightly brown, flammable chemical compound.[3] It is classified as the organobromine compound, and has the chemical formula C2H4Br2[4] and it is a position isomer of 1,2-dibromoethane. It is commonly seen in industrial chemistry, where it is used as a fuel additive.[5] It is also used as a grain and soil fumigant for insect control.[6]

Synthesis

1,1-Dibromoethane is synthesized through addition of hydrogen bromide onto vinyl bromide with absence of peroxide radical.[7]

Synthesis of 1,1-Dibromoethane.png

Safety

1,1-Dibromoethane is considered as a mild toxic compound, especially with bromines attached as substituents. Bromines on the ethane are strong oxidizing agents. If absorbed through inhalation, 1,1-dibromoethane could potentially cause neuronal effects, tissue damage, and bromism.[8]

References

  1. ↑ "Ethylidene dibromide - Compound Summary". PubChem Compound. US: National Center for Biotechnology Information. 27 March 2005. Identification. https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=11201&loc=ec_rcs. Retrieved 19 June 2012. 
  2. ↑ "1,1-Dirbomoethane". National Center for Biotechnology Information. https://pubchem.ncbi.nlm.nih.gov/compound/1_1-dibromoethane#section=Boiling-Point. Retrieved 31 May 2017. 
  3. ↑ "MSDS". Fisher Scientific, Inc. http://fscimage.fishersci.com/msds/40481.htm. Retrieved 13 June 2012. 
  4. ↑ "Dibromoethane". ChemSpider. http://www.chemspider.com/10728. Retrieved 13 June 2012. 
  5. ↑ "1,1-dibromoethane". PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/1_1-dibromoethane#section=Use-and-Manufacturing. Retrieved 9 June 2017. 
  6. ↑ Larranaga, Michael (10 March 2016). Hawley's Condensed Chemical Dictionary. John Wiley & Sons. ISBN 9781118135150. https://books.google.com/books?id=EwV0CgAAQBAJ&q=dibromoethane&pg=PA440. Retrieved 9 June 2017. 
  7. ↑ Kharasch, M.; McNab, M.; Mayo, Frank (June 1933). "The Peroxide Effect in the Addition of Reagents to Unsaturated Compounds. II. The Addition of Hydrogen Bromide to Vinyl Bromide". Journal of the American Chemical Society 55 (6): 2521–2530. doi:10.1021/ja01333a048. 
  8. ↑ "1,1-Dibromoethane (T3D1793)". The Toxin and Toxin Target Database. http://www.t3db.ca/toxins/T3D1793. Retrieved 9 June 2017. 



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