Ethyl 2-(phenylcarbonothioylthio)propionate
Ethyl 2-(phenylcarbonothioylthio)propionate (CAS: 412015-83-9; C12H14O2S2) is a dithiobenzoate compound with a molecular weight of 254.37 g/mol. It serves as a valuable Chain Transfer Agent (CTA) and a specialised reagent for controlled radical polymerisation, particularly effective for methacrylates and methacrylamides. TSS offers this chemical, ensuring reliable performance in advanced materials science and polymer synthesis.
- IUPAC
- 2-[(Phenylthioxomethyl)thio]propanoic acid ethyl ester,Ethyl 2-(phenylcarbonothioylthio)propanoate
- Synonyms
- Ethyl 2-(phenylcarbonothioylthio)propanoate2-[(Phenylthioxomethyl)thio]propanoic acid ethyl ester

Reagent for Controlled Radical Polymerisation
This dithiobenzoate derivative functions as a potent RAFT (Reversible Addition-Fragmentation chain Transfer) agent. It enables precise control over polymer chain growth, molecular weight, and dispersity, crucial for creating well-defined polymer architectures.
Chain Transfer Agent (CTA)
As a CTA, it effectively regulates the polymerisation process by controlling chain termination and transfer reactions. This is particularly important in the synthesis of polymers like polymethacrylates and polymethacrylamides, allowing for tailored material properties.
Materials Science
Its application in controlled polymerisation makes it a key component in the development of advanced materials. These include specialised coatings, adhesives, and responsive polymers with specific functionalities for diverse technological applications.
| Molecular weight | 254.37 |
|---|---|
| Empirical formula | C12H14O2S2 |
| Assay | 97% (HPLC) |
| Density | 1.163 g/mL at 25 °C |
| Refractive index | n20/D 1.611 |
| Storage temperature | 2-8°C |
| Application | RAFT agent for controlled radical polymerization; especially suited for methacrylates and methacrylamides; Chain Transfer Agent (CTA) |
| Flash point | >110 °C / >230 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 Ethyl 2-(phenylcarbonothioylthio)propionate used for?
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Ethyl 2-(phenylcarbonothioylthio)propionate is primarily used as a RAFT agent for controlled radical polymerisation, particularly effective for methacrylates and methacrylamides, and also functions as a Chain Transfer Agent (CTA).
What are the CAS number and molecular formula?
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The CAS number is 412015-83-9, and the molecular formula is C12H14O2S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 2-(phenylcarbonothioylthio)propionate with a minimum purity of 97% (HPLC). This product is not supplied in USP, BP, or EP grade.
What are the safety and handling precautions?
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This compound has a flash point above 110 °C and is classified under WGK 3 in Germany, indicating a hazard to water. It should be handled with appropriate personal protective equipment in a well-ventilated area. Store refrigerated between 2-8°C.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packs and exports chemicals according to international regulations, ensuring safe transit. For specific packaging and shipping inquiries, please contact our sales team.
How can I request a sample or a quote?
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You can request a sample or obtain a quote by contacting our dedicated sales department through the website or by direct inquiry.
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