Benzyl benzodithioate
Benzyl benzodithioate (CAS: 27249-90-7, C14H12S2) is a dithiobenzoate compound with a molecular weight of 244.38 g/mol. This chemical serves as a key RAFT agent, facilitating controlled radical polymerization. It is particularly effective for polymerizing monomers such as methacrylates, methacrylamides, and styrenes, enabling precise control over polymer architecture and molecular weight. Its high assay of 96% ensures reliable performance in advanced materials science and polymer synthesis.
- IUPAC
- BDTB,Benzenecarbodithioic acid, phenylmethyl ester,Benzyl benzenecarbodithioate,Benzyl dithiobenzoate,Benzyl phenyl RAFT agent
- Synonyms
- BDTBBenzenecarbodithioic acid, phenylmethyl esterBenzyl benzenecarbodithioateBenzyl dithiobenzoateBenzyl phenyl RAFT agent

Controlled Radical Polymerization
Benzyl benzodithioate is an effective RAFT agent, enabling the synthesis of polymers with controlled molecular weights, narrow polydispersities, and complex architectures. It is suitable for a range of monomers including methacrylates, methacrylamides, and styrenes.
Polymer Synthesis
As a chain transfer agent (CTA), it plays a crucial role in the precise design and synthesis of advanced polymeric materials for various applications in materials science.
Materials Science
The controlled polymer structures achievable using Benzyl benzodithioate contribute to the development of novel materials with tailored properties for specialized applications.
| Molecular weight | 244.38 |
|---|---|
| Empirical formula | C14H12S2 |
| Assay | 96% |
| Density | 1.182 g/mL at 25 °C |
| Refractive index | n20/D 1.696 |
| Application | RAFT agent for controlled radical polymerization; Chain Transfer Agent (CTA) well-suited for methacrylates, methacrylamides, and styrenes. |


Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P501Dispose of contents and container per local regulations
| Flash point | >110 °C / >230 °F |
|---|---|
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-43-50/53 |
| Safety statements (S) | 36/37-60-61 |
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 Benzyl benzodithioate primarily used for?
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Benzyl benzodithioate is primarily used as a RAFT agent for controlled radical polymerization, acting as a chain transfer agent for monomers like methacrylates, methacrylamides, and styrenes.
What is the CAS number and formula for Benzyl benzodithioate?
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The CAS number is 27249-90-7 and the empirical formula is C14H12S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzyl benzodithioate with an assay of 96%. This is a technical/research grade material and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Benzyl benzodithioate be handled safely?
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Benzyl benzodithioate is classified with GHS symbols GHS07 and GHS09, carrying a Warning signal word. It has hazard statements H302 (Harmful if swallowed) and H317 (May cause an allergic skin reaction), and H410 (Very toxic to aquatic life with long lasting effects). Handle with appropriate personal protective equipment (PPE) and avoid release to the environment. Refer to the Safety Data Sheet (SDS) for comprehensive handling instructions.
Is Benzyl benzodithioate a controlled substance?
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The provided data does not indicate that Benzyl benzodithioate is a controlled substance.
How is Benzyl benzodithioate shipped and exported by TSS?
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Tech Serve Solutions, as a specialist global supplier and exporter, handles the packing and shipping of chemicals like Benzyl benzodithioate in compliance with international regulations for chemical transport.
How can I request a quote or sample for Benzyl benzodithioate?
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To request a quote or a sample of Benzyl benzodithioate, please contact the TSS sales department via the website or direct inquiry channels.
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