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HomeProduct name listBoron triiodide

Boron triiodide

  • CAS NO.:13517-10-7
  • Empirical Formula: BI3
  • Molecular Weight: 391.52
  • MDL number: MFCD00036286
  • EINECS: 236-857-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 13:37:16
Boron triiodide Structural

What is Boron triiodide?

Chemical properties

needles 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.

The Uses of Boron triiodide

Boron triiodide is used as pharmaceutical, chemical and organic intermediate. It is also used as a catalyst and for preparation of boron compounds.

The Uses of Boron triiodide

Boron 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.

Preparation

Boron 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 Description

Boron triiodide is a strong Lewis acid. It can be prepared by treating iodine (I2) with potassium borohydride (KBH4) in heptane.

Properties of Boron triiodide

Melting point: 43-44°C
Boiling point: 210°C
Density  3.35 g/mL at 25 °C (lit.)
Flash point: 210°C
storage temp.  2-8°C
solubility  insoluble in H2O
form  Crystals
color  White
Specific Gravity 3.35
Water Solubility  Reacts with water.
Sensitive  Moisture Sensitive
CAS DataBase Reference 13517-10-7(CAS DataBase Reference)
EPA Substance Registry System Borane, triiodo- (13517-10-7)

Safety information for Boron triiodide

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
GHS Hazard Statements H314:Skin corrosion/irritation
Precautionary Statement Codes P280:Wear protective gloves/protective clothing/eye protection/face protection.
P310:Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Boron triiodide

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