Dibenzyl carbonate
Dibenzyl carbonate (CAS: 3459-92-5) is a chemical compound with a molecular weight of 242.27 g/mol. This organic building block and carbonate serves as a valuable reagent in chemical synthesis. It is primarily utilised in organic chemistry for various synthetic transformations, contributing to the development of complex molecules. Its specific applications lie in research and development settings where precise chemical modifications are required.

Organic Synthesis Reagent
Dibenzyl carbonate acts as a versatile reagent in organic synthesis, particularly for introducing the benzyloxycarbonyl (Cbz or Z) protecting group onto amines and alcohols. This protection strategy is widely employed in peptide synthesis and the preparation of complex organic molecules.
Building Block for Complex Molecules
As an organic building block, dibenzyl carbonate facilitates the construction of more intricate molecular architectures. Its structure allows for various chemical reactions, making it useful in the multi-step synthesis of pharmaceuticals and fine chemicals.
Research and Development
In R&D laboratories, dibenzyl carbonate is employed for exploring novel synthetic routes and developing new chemical entities. Its reactivity profile makes it a useful tool for academic and industrial researchers.
| Molecular weight | 242.27 |
|---|---|
| Linear formula | (C6H5CH2O)2CO |
| Assay | 99% |
| Boiling point | 180-190 °C/2 mmHg(lit.) |
| Melting point | 29-33 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 21/22 |
| Safety statements (S) | 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 Dibenzyl carbonate used for?
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Dibenzyl carbonate is primarily used as a reagent in organic synthesis, particularly for introducing the benzyloxycarbonyl (Cbz) protecting group. It also serves as an organic building block in the synthesis of complex molecules and is utilised in research and development.
What is the CAS number and formula for Dibenzyl carbonate?
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The CAS number for Dibenzyl carbonate is 3459-92-5. Its linear formula is (C6H5CH2O)2CO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dibenzyl carbonate with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for Dibenzyl carbonate?
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Dibenzyl carbonate is classified as harmful if swallowed and harmful in contact with skin (H302, H312). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be used. Ensure adequate ventilation.
How is Dibenzyl carbonate packed and shipped?
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Dibenzyl carbonate is carefully packed to ensure stability during transport and is exported globally by Tech Serve Solutions, adhering to all necessary shipping regulations.
How can I request a quote or sample for Dibenzyl carbonate?
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To request a quote or a sample of Dibenzyl carbonate, please contact our sales department through the website or by phone.
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