ChemicalBook Product Catalog Inorganic chemistry Inorganic salts Borides, borates and borate Boron triiodide

Boron triiodide

Boron triiodide Basic information
Product Name:Boron triiodide
Synonyms:BORON IODIDE;BORON TRIIODIDE;BI;BI3;Borane, triiodo-;Borane,triiodo-;triiodo-boran;Triiodoborane
CAS:13517-10-7
MF:BI3
MW:391.52
EINECS:236-857-4
Product Categories:C-X Bond Formation (Halogen);Iodination;Synthetic Reagents
Mol File:13517-10-7.mol
Boron triiodide Structure
Boron triiodide Chemical Properties
Melting point 43-44°C
Boiling point 210°C
density 3.35 g/mL at 25 °C (lit.)
Fp 210°C
storage temp. 2-8°C
form Crystals
Specific Gravity3.35
color White
Water Solubility Reacts with water.
Sensitive Moisture Sensitive
CAS DataBase Reference13517-10-7(CAS DataBase Reference)
EPA Substance Registry SystemBorane, triiodo- (13517-10-7)
Safety Information
Hazard Codes C
Risk Statements 34
Safety Statements 26-36/37/39-43-45
RIDADR UN 3260 8/PG 2
WGK Germany 3
F 10
TSCA Yes
HazardClass 8
PackingGroup II
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
Boron triiodide Usage And Synthesis
Chemical Propertiesneedles or crystal(s) with 99.9% purity; unstable; enthalpy of vaporization 40.5 kJ/mol. It is a crystalline solid, which reacts vigorously with water to form hydroiodic acid and boric acid. Boron triiodide is easily decomposed when heated, and reacts with red phosphorus or white phosphorus to incandescent.
Boron triiodide is an electron-deficient compound with unsaturated boron atoms, so its chemical properties are mainly Lewis acid properties, and it can react with various Lewis bases to form complexes.
UsesBoron triiodide is used as pharmaceutical, chemical and organic intermediate. It is also used as a catalyst and for preparation of boron compounds.
UsesBoron triiodide can be used as a reagent to cleave C-O bonds in ethers, esters, and alcohols. It can also be used to cleave silanes and halides. Boron triiodide converts alcohols to alkyl iodides; sulfonyl and sulfinyl to disulfides. Borylation of triarylamines can be achievd using this reagent.
It can also be used to prepare imidazole based imino aluminum dihalide metal complexes and boron carbonitride (BCN) nanowires.
PreparationBoron triiodide can be synthesized by refluxing lithium borohydride and iodine in hexane, or by reacting alkali metal borohydride with iodine at a suitable temperature.
General DescriptionBoron triiodide is a strong Lewis acid. It can be prepared by treating iodine (I2) with potassium borohydride (KBH4) in heptane.
Boron oxide ALUMINUM CARBIDE Sodium percarbonate Boron tribromide 1,4-Dioxane Boron carbide Carbon tetrafluoride TIN(IV) IODIDE Sulfur hexafluoride Boric acid Boron nitride METHANE Boron Boron triiodide
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