4-Maleimido-TEMPO
4-Maleimido-TEMPO (CAS: 15178-63-9) is a stable nitroxyl radical derivative of TEMPO. With the molecular formula C13H20N2O3 and a molecular weight of 252.31 g/mol, it serves as a versatile reagent in organic synthesis and polymer chemistry. Its radical nature makes it valuable for studies in radical chemistry and as a spin probe or labelling agent in various research applications.
- IUPAC
- 4-Maleimido-2,2,6,6-tetramethyl-1-piperidinyloxy, free radical
Organic Synthesis Reagent
Utilised in various organic transformations, particularly those involving radical intermediates or requiring controlled oxidation. Its stable radical character allows for selective reaction pathways.
Polymer Chemistry
Can be employed in controlled radical polymerisation techniques such as Nitroxide Mediated Polymerisation (NMP), influencing polymer architecture and molecular weight distribution.
Spin Labelling
Functions as a spin label for Electron Paramagnetic Resonance (EPR) spectroscopy, enabling the study of molecular dynamics and environments in biological and material science systems.
Radical Chemistry Research
A fundamental compound for exploring the behaviour and applications of stable organic radicals in academic and industrial research settings.
| Molecular weight | 252.31 |
|---|---|
| Empirical formula | C13H20N2O3 |
| Storage temperature | 2-8°C |
| Melting point | 91-94 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4-Maleimido-TEMPO used for?
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4-Maleimido-TEMPO is used in organic synthesis, polymer chemistry (e.g., controlled radical polymerisation), as a spin label for EPR spectroscopy, and in research involving stable organic radicals.
What are the CAS number and formula for 4-Maleimido-TEMPO?
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The CAS number is 15178-63-9, and the empirical formula is C13H20N2O3.
What grade and purity does Tech Serve Solutions supply for 4-Maleimido-TEMPO?
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Tech Serve Solutions supplies 4-Maleimido-TEMPO with a purity of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4-Maleimido-TEMPO be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Ensure adequate ventilation. Avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice if irritation persists.
Is 4-Maleimido-TEMPO a controlled substance?
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Based on the provided data, 4-Maleimido-TEMPO is not listed as a controlled substance.
How is 4-Maleimido-TEMPO packed and shipped?
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This chemical is typically stored at 2-8°C and is available for export worldwide by Tech Serve Solutions.
How can I request a quote or sample for 4-Maleimido-TEMPO?
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Please contact our sales department or use the online inquiry form on the Tech Serve Solutions website to request a quote or sample.
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