Boron triiodide
Boron triiodide (CAS: 13517-10-7; Formula: BI3) is a highly reactive inorganic compound with a molecular weight of 391.52 g/mol. It is a potent Lewis acid and a strong iodinating agent, primarily utilised in organic synthesis for the formation of carbon-halogen bonds. Its applications span chemical synthesis, particularly in reactions requiring efficient iodination, where its reactivity is key to achieving desired transformations.

C-X Bond Formation
Boron triiodide is employed as a reagent for creating carbon-halogen (C-X) bonds. Its strong Lewis acidity and ability to deliver iodide ions facilitate these transformations in synthetic organic chemistry.
Iodination Reactions
This compound serves as an effective iodinating agent, enabling the introduction of iodine atoms into organic molecules. It is valuable in synthesising various iodinated intermediates and compounds.
Chemical Synthesis
As a versatile synthetic reagent, Boron triiodide finds application in diverse chemical synthesis pathways. Its unique reactivity profile makes it suitable for specific organic transformations and the preparation of specialised chemicals.
| Molecular weight | 391.52 |
|---|---|
| Empirical formula | BI3 |
| Assay | 95% |
| Density | 3.35 g/mL at 25 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3260 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-43-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Boron triiodide used for?
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Boron triiodide is primarily used in organic synthesis for C-X bond formation and as an iodinating agent. It is a key reagent in chemical synthesis processes requiring efficient iodination.
What are the CAS number and formula for Boron triiodide?
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The CAS number for Boron triiodide is 13517-10-7, and its chemical formula is BI3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Boron triiodide with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should Boron triiodide be handled safely?
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Boron triiodide is a corrosive substance (H314) and requires careful handling. Recommended personal protective equipment includes eyeshields, face shields, and appropriate gloves and respiratory protection. Always consult the Safety Data Sheet before use.
How is Boron triiodide packed, shipped, and exported?
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Boron triiodide is packed according to international regulations for hazardous materials, including UN 3260 classification. TSS expertly handles the export of this chemical globally.
How can I request a sample or quote for Boron triiodide?
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To request a sample or a quote for Boron triiodide, please contact our sales team through the website or by phone, providing your specific requirements.
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