2-(Dodecylthiocarbonothioylthio)propionic acid
2-(Dodecylthiocarbonothioylthio)propionic acid (CAS: 558484-21-2; Formula: C16H30O2S3; Molar Mass: 350.60 g/mol) is a key reagent in polymer science. It functions as a highly effective Chain Transfer Agent (CTA) for controlled radical polymerization, enabling precise control over polymer architecture and molecular weight. This compound is particularly valuable for synthesising polymers from styrene, acrylate, and acrylamide monomers, facilitating advanced material development.
- IUPAC
- 2-(Dodecylthiocarbonothioylthio)propanoic acid,2-{[(Dodecylsulfanyl)carbonothioyl]sulfanyl}propanoic acid,DoPAT

Controlled Radical Polymerization
Utilised as a RAFT agent, this compound facilitates controlled radical polymerisation processes. It allows for precise control over polymer chain growth, leading to polymers with defined molecular weights and low polydispersity.
Polymer Synthesis
This chemical is employed in the synthesis of polymers derived from styrene, acrylate, and acrylamide monomers. Its function as a Chain Transfer Agent is critical for achieving desired polymer structures and properties.
Materials Science Research
Its ability to control polymerisation makes it an important reagent in materials science for developing novel polymers and advanced materials with tailored characteristics for specific applications.
| Molecular weight | 350.60 |
|---|---|
| Empirical formula | C16H30O2S3 |
| Assay | 97% |
| Form | powder or crystals |
| Storage temperature | 2-8°C |
| Application | RAFT agent for controlled radical polymerization; especially suited for the polymerization of styrene, acrylate and acrylamide monomers. Chain Transfer Agent (CTA) |
| Melting point | 78-82 °C |

Hazard statements
- H228Flammable solid
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | F |
| Risk statements (R) | 10 |
| Safety statements (S) | 15-16 |
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 2-(Dodecylthiocarbonothioylthio)propionic acid used for?
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This compound is primarily used as a RAFT agent and Chain Transfer Agent (CTA) for controlled radical polymerization, particularly for styrene, acrylate, and acrylamide monomers in polymer science and materials development.
What is the CAS number and chemical formula for 2-(Dodecylthiocarbonothioylthio)propionic acid?
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The CAS number is 558484-21-2 and the chemical formula is C16H30O2S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(Dodecylthiocarbonothioylthio)propionic acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2-(Dodecylthiocarbonothioylthio)propionic acid be handled and stored?
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This compound is flammable (H228) and should be handled with appropriate precautions, including keeping it away from heat, hot surfaces, sparks, open flames, and other ignition sources. Store in a cool, dry place at 2-8°C.
How is this chemical exported and shipped by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-(Dodecylthiocarbonothioylthio)propionic acid. We ensure compliant and secure packaging and export procedures.
How can I request a sample or quote for 2-(Dodecylthiocarbonothioylthio)propionic acid?
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To request a sample or a quote, please contact our sales team through the TSS website or by calling our direct line.
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