4-Phenacylidene-2,2,5,5-tetramethylimidazolidin-1-yloxy, free radical
4-Phenacylidene-2,2,5,5-tetramethylimidazolidin-1-yloxy, free radical (CAS 84271-26-1) is a stable nitroxide radical with the molecular formula C15H19N2O2 and a molecular weight of 259.32 g/mol. This compound is valuable in chemical synthesis, particularly within radical chemistry and as a synthetic reagent. Its stable radical nature makes it a useful tool for specific research and development applications.
- Synonyms
- 5-tetramethylimidazolidin-1-yloxy, free radical84271-26-1C15H19N2O2

Radical Chemistry Research
Utilised in studies involving radical mechanisms and reactions due to its stable paramagnetic properties. This makes it a key reagent for exploring novel synthetic pathways.
Synthetic Reagent
Serves as a specialised reagent in organic synthesis, enabling complex molecular transformations. Its unique structure facilitates specific reaction outcomes.
Materials Science Investigations
Potentially employed in the development of new materials where stable radical functionalities are advantageous. Research may focus on its incorporation into polymers or other advanced materials.
| Molecular weight | 259.32 |
|---|---|
| Empirical formula | C15H19N2O2 |
| Assay | 98% |
| Melting point | 181-183 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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 4-Phenacylidene-2,2,5,5-tetramethylimidazolidin-1-yloxy, free radical used for?
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This compound is primarily used in chemical synthesis, particularly within radical chemistry and as a specialised synthetic reagent.
What is the CAS number and chemical formula for 4-Phenacylidene-2,2,5,5-tetramethylimidazolidin-1-yloxy, free radical?
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The CAS number is 84271-26-1 and the empirical formula is C15H19N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at 98% purity. We do not represent it as USP, BP, or EP grade.
How should 4-Phenacylidene-2,2,5,5-tetramethylimidazolidin-1-yloxy, free radical be handled?
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Appropriate safety precautions include wearing eyeshields and gloves, and using a type N95 (US) or type P1 (EN143) respirator filter. The compound is classified under WGK 2 in Germany.
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including this product.
How can I request a sample or quote?
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Please contact our sales team via the website or phone to request a sample or a quotation for this product.
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