Bismuth(III) iodide

chembox new
ImageFile =
ImageSize =
IUPACName = Bismuth(III) iodide
OtherNames = Bismuth iodide, bismuth triiodide
Section1 = Chembox Identifiers
Abbreviations =
CASNo = 7787-64-6
EINECS =
PubChem = 24860889
SMILES =
InChI =
RTECS =
MeSHName =
ChEBI =
KEGG =
ATCCode_prefix =
ATCCode_suffix =
ATC_Supplemental =
Section2 = Chembox Properties
Formula = BiI₃
MolarMass = 589.69 g/mol
Appearance = greenish-black crystals
Density = 5.64 g/cm³
MeltingPt = 408.6°C
BoilingPt = ~540°CCitation
last = Norman
first = Nicholas C.
author-link =
last2 =
first2 =
author2-link =
publication-date =
date =
year = 1998
title = Chemistry of Arsenic, Antimony and Bismuth
edition =
volume =
series =
publication-place =
place =
publisher = Springer
id =
isbn = 075140389X
doi =
oclc =
pages = 95
url = http://books.google.com/books?id=vVhpurkfeN4C&pg=PA187&dq=%22Bismuth(III)+iodide%22&as_brr=3&sig=CuoCCJjublvnrRWmZtEexMaW5yk#PPA95,M1
accessdate = 2008-06-03]
Solubility = insoluble
SolubleOther = 50 g/100 mL ethanol 50 g/100 mL 2M hydrochloric acid
Solvent =
pKa =
pKb =
Section7 = Chembox Hazards
ExternalMSDS =
EUClass = Corrosive (C)
EUIndex =
MainHazards =
NFPA-H = 3
NFPA-F = 0
NFPA-R = 1
NFPA-O =
RPhrases = R34
SPhrases = S26, S27, S36/37/39, S45cite web |url= http://www.sigmaaldrich.com/catalog/search/ProductDetail/ALDRICH/341010 |title= 341010 Bismuth(III) iodide 99% |accessdate=2008-06-19 |publisher= Sigma-Aldrich|date= ]
RSPhrases =
FlashPt =
Autoignition =
ExploLimits =
PEL =
Section8 = Chembox Related
OtherAnions = Bismuth(III) fluoride
Bismuth(III) chloride
Bismuth(III) bromide
OtherCations = Nitrogen triiodide Phosphorus triiodide
Antimony triiodide

Bismuth(III) iodide is the chemical compound composed of bismuth and iodine with the formula BiI₃. It forms gray to black hexagonal crystals and is used as a reagent in analytical chemistryCitation
last=
first=
author-link=
last2=
first2=
author2-link=
year= 2003
date=
publication-date=
contribution= Bismuth iodide
contribution-url=
editor-last=
editor-first=
editor-link=
editor2-last=
editor2-first=
editor2-link=
title= McGraw-Hill Dictionary of Scientific and Technical Terms
edition=
series=
place=
publication-place=
publisher=McGraw-Hill
volume=
pages=
id=
isbn =
doi=
oclc=
url=http://www.answers.com/topic/bismuth-iodide?cat=technology
accessdate = 2008-06-19 ] Citation
last = Turner, Jr.
first = Francis M.
author-link =
last2 = Berolzheimer
first2 = Daniel D.
author2-link =
last3 = Cutter
first3 = William P.
author3-link =
last4 = Helfrich
first4 = John
author4-link =
publication-date =
date =
year = 1920
title = The Condensed Chemical Dictionary
edition =
volume =
series =
publication-place = New York
place =
publisher = Chemical Catalog Company
id =
isbn =
doi =
oclc =
pages = 107
url = http://books.google.com/books?id=y8y0XE0nsYEC&pg=PA107&dq=%22Bismuth+triiodide%22&lr=&as_brr=3
accessdate = 2008-06-19] .Bismuth(III) iodide forms a unique crystal structure, with iodine atoms occupying a hexagonally closest-packed lattice with bismuths occupying either one-third or two-thirds of the octahedral holes (alternating by layer)Citation
last = Smart
first = Lesley
author-link =
last2 = Moore
first2 = Elaine A.
author2-link =
last3 =
first3 =
author3-link =
last4 =
first4 =
author4-link =
publication-date =
date =
year = 2005
title = Solid State Chemistry: An Introduction
edition =
volume =
series =
publication-place =
place =
publisher = CRC Press
id =
isbn = 0748775161
doi =
oclc =
pages = 40
url = http://books.google.com/books?id=vDPZLVAoRqQC&pg=PA40&dq=%22Bismuth+triiodide%22&lr=&as_brr=3&sig=Brsfedt3LMZjs-2lLqOoyUKsYgA
accessdate = 2008-06-19] Citation
last = Mackay
first = Rosemary Ann
author-link =
last2 = Henderson
first2 = W.
author2-link =
last3 =
first3 =
author3-link =
last4 =
first4 =
author4-link =
publication-date =
date =
year = 2002
title = Introduction to Modern Inorganic Chemistry
edition =
volume =
series =
publication-place =
place =
publisher = CRC Press
id =
isbn = 0748764208
doi =
oclc =
pages = 122-6
url = http://books.google.com/books?id=e9SjYftJmOYC&pg=PA126&dq=%22Bismuth+triiodide%22&lr=&as_brr=3&sig=wwpF9qZNh7nPmcUBNiBw0POZvqI
accessdate = 2008-06-19] .

Reactions

Hugo Erdmann recommended preparing bismuth(III) iodide by grinding elemental iodine and bismuth powder together and heating the mixtureCitation
last = Erdmann
first = Hugo
author-link = Hugo Erdmann
last2 = Dunlap
first2 = Frederick Leavy
author2-link =
publication-date =
date =
year = 1900
title = Handbook of Basic Tables for Chemical Analysis
edition =
volume =
series =
publication-place = New York
place =
publisher = John Wiley & Sons
id =
isbn =
doi =
oclc =
pages = 76
url = http://books.google.com/books?id=IxlIAAAAIAAJ&pg=PA76&dq=%22Bismuth+iodide%22&lr=&as_brr=3
accessdate = 2008-06-19] .

As bismuth(III) iodide is insoluble in water, a solution can be tested for the presence of Bi³⁺ ions by adding a salt such as potassium iodide. A black precipitate of bismuth(III) iodide indicates a positive testCitation
last = Bruno
first = Thomas J.
author-link =
last2 = Svoronos
first2 = Paris D. N.
author2-link =
publication-date =
date =
year = 2003
title = Handbook of Basic Tables for Chemical Analysis
edition =
volume =
series =
publication-place =
place =
publisher = CRC Press
id =
isbn = 0849315735
doi =
oclc =
pages = 549
url = http://books.google.com/books?id=AFY2gKwh4AsC&pg=PA549&dq=%22Bismuth(III)+iodide%22&as_brr=3&sig=psegRgsmftgfvT9VCgs_YL79DNw
accessdate = 2008-06-19] .

Bismuth(III) iodide forms interesting iodobismuth(III) anions when heated with halide donors, such asCitation
last = Norman
first = Nicholas C.
author-link =
last2 =
first2 =
author2-link =
publication-date =
date =
year = 1998
title = Chemistry of Arsenic, Antimony and Bismuth
edition =
volume =
series =
publication-place =
place =
publisher = Springer
id =
isbn = 075140389X
doi =
oclc =
pages = 168-70
url = http://books.google.com/books?id=vVhpurkfeN4C&pg=PA187&dq=%22Bismuth(III)+iodide%22&as_brr=3&sig=CuoCCJjublvnrRWmZtEexMaW5yk#PPA169,M1
accessdate = 2008-06-19] ::2 NaI + BiI₃ → Na₂ [BiI₅]

References