Tetrahydroxydiboron
Tetrahydroxydiboron (CAS: 13675-18-8), with the molecular formula B2H4O4 and a molecular weight of 89.65 g/mol, is a diboronic acid derivative. It serves as a valuable reagent in organic synthesis, particularly for borylation reactions. This compound is supplied by Tech Serve Solutions for research and development quantities, offering a key building block for various chemical transformations. Its properties make it suitable for applications in areas requiring the introduction of boron functionalities into organic molecules.
- IUPAC
- Diboronic acid,Tetrahydroxydiborane
- Synonyms
- Diboronic acidTetrahydroxydiborane

Borylation Reagent
Tetrahydroxydiboron is utilized as a reagent in borylation reactions, enabling the introduction of boron atoms into organic molecules. This is a crucial step in the synthesis of various complex organic compounds.
Organic Synthesis Building Block
This diboronic acid derivative acts as a versatile building block in organic synthesis. It facilitates the construction of carbon-boron bonds, which are important intermediates in the preparation of pharmaceuticals and advanced materials.
Research and Development
Supplied in development quantities, Tetrahydroxydiboron is intended for use in research laboratories. It supports chemists in exploring new synthetic pathways and developing novel chemical entities.
| Molecular weight | 89.65 |
|---|---|
| Empirical formula | B2H4O4 |
| Assay | 95% |
| Melting point | 143-148 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/22-36/37/38 |
| Safety statements (S) | 22-36 |
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 Tetrahydroxydiboron used for?
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Tetrahydroxydiboron is primarily used as a borylation reagent and a building block in organic synthesis for introducing boron functionalities into molecules.
What is the CAS number and chemical formula for Tetrahydroxydiboron?
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The CAS number is 13675-18-8 and the chemical formula is B2H4O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrahydroxydiboron with an assay of 95%. TSS does not represent this product as USP, BP, or EP grade.
What are the main safety hazards associated with Tetrahydroxydiboron?
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Tetrahydroxydiboron is classified with GHS07 symbol and 'Warning' signal word. It may cause respiratory irritation (H335), is harmful if swallowed and inhaled (H302 + H332), and causes skin (H315) and serious eye irritation (H319).
How is Tetrahydroxydiboron shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Tetrahydroxydiboron, adhering to all relevant shipping and export regulations.
How can I request a sample or a quote for Tetrahydroxydiboron?
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To request a sample or a quote for Tetrahydroxydiboron, please contact our sales team through the website or by phone, referencing the product CAS number 13675-18-8.
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