Chemistry:4-Bromoaniline

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4-Bromoaniline[1]
4-Bromoaniline.svg
4-bromoaniline-from-xtal-2003-3D-balls.png
Names
Preferred IUPAC name
4-Bromoaniline
Other names
  • (4-Bromophenyl)amine
  • p-Bromoaniline
  • 4-Bromobenzenamine
  • p-Bromophenylamine
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
EC Number
  • 203-393-9
RTECS number
  • BW9280000
UNII
UN number 2811
Properties
C6H6BrN
Molar mass 172.02 g mol−1
Density 1.5 g/cm3
Melting point 60 to 64 °C (140 to 147 °F; 333 to 337 K)
<0.1 g/100 mL at 23 °C
-84.06·10−6 cm3/mol
Hazards
Safety data sheet External MSDS
GHS pictograms GHS06: ToxicGHS07: HarmfulGHS08: Health hazard
GHS Signal word Danger
H302, H311, H315, H319, H332, H335, H373
P260, P261, P264, P270, P271, P280, P301+312, P302+352, P304+312, P304+340, P305+351+338, P312, P314, P321, P322, P330, P332+313, P337+313, P361, P362, P363, P403+233, P405, P501
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):
Synthesised and purified p-Bromoaniline

4-Bromoaniline is a compound where an aniline molecule is substituted with a bromine atom on the para position. Commercially available, this compound may be used as a building block, e.g. in the preparation of p-bromobiphenyl via the Gomberg-Bachmann reaction.[2]

Preparation

4-Bromoaniline can be made by reacting acetyl chloride-protected aniline with bromine.

Reactions

One laboratory route to 1-bromo-4-iodobenzene involves the Sandmeyer reaction. 4-Bromoaniline is treated with concentrated sulfuric acid and sodium nitrite, then potassium iodide.[3]

References

  1. 4-Bromoaniline, Chemblink.com
  2. M. Gomberg and W. E. Bachmann (1941). "p-Bromobiphenyl". Organic Syntheses. http://www.orgsyn.org/demo.aspx?prep=cv1p0113. ; Collective Volume, 1, pp. 113 
  3. Banerjee, M.; Shukla, R.; Rathore, R. (15 January 2009). "Synthesis, Optical, and Electronic Properties of Soluble Poly-p-phenylene Oligomers as Models for Molecular Wires". Journal of the American Chemical Society 131 (5): 1780–1786. doi:10.1021/ja805102d. PMID 19146375.