4-Amino-2,2,6,6-tetramethylpiperidine-1-oxyl
4-Amino-2,2,6,6-tetramethylpiperidine-1-oxyl (CAS: 14691-88-4) is a stable nitroxide radical with the molecular formula C9H19N2O. As a derivative of TEMPO, it serves as a valuable reagent in organic synthesis, particularly in oxidation reactions and as a spin label. Its distinct paramagnetic properties also make it useful in radical chemistry research, contributing to advancements in material science and polymer chemistry.
- IUPAC
- 4-Amino-2,2,6,6-tetramethylpiperidinyloxy, free radical,4-Amino-TEMPO
- Synonyms
- 4-Amino-TEMPO, 4-Amino-2,2,6,6-tetramethylpiperidinyloxy, free radical
Oxidation Reactions
This compound acts as a catalyst or co-catalyst in selective oxidation of alcohols to aldehydes and ketones. Its stable radical nature allows for controlled and efficient reaction pathways, minimising over-oxidation.
Radical Chemistry Research
Its paramagnetic nature makes it a key component in Electron Paramagnetic Resonance (EPR) spectroscopy studies. It is used as a spin probe to investigate molecular dynamics and reaction mechanisms involving free radicals.
Polymerisation Control
It can be employed in controlled radical polymerisation techniques, such as Nitroxide Mediated Polymerisation (NMP). This allows for the synthesis of polymers with well-defined molecular weights and architectures.
Synthetic Intermediate
Serves as a versatile building block in the synthesis of more complex organic molecules and functional materials, leveraging its reactive amine and stable radical functionalities.
| Molecular weight | 171.26 |
|---|---|
| Empirical formula | C9H19N2O |
| Assay | ≥95.0% (GC) |
| Storage temperature | 2-8°C |
| Melting point | ~0 °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-Amino-2,2,6,6-tetramethylpiperidine-1-oxyl used for?
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4-Amino-2,2,6,6-tetramethylpiperidine-1-oxyl is primarily used in chemical synthesis, radical chemistry, and as a stable radical reagent. It finds application in selective oxidation reactions and as a spin label in research.
What are the CAS number and formula for this compound?
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The CAS number is 14691-88-4 and the empirical formula is C9H19N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Amino-2,2,6,6-tetramethylpiperidine-1-oxyl with an assay of ≥95.0% (GC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 4-Amino-2,2,6,6-tetramethylpiperidine-1-oxyl be handled?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation to avoid inhalation of dust. Store at 2-8°C.
Is this compound a controlled substance?
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Based on the provided data, there is no indication that 4-Amino-2,2,6,6-tetramethylpiperidine-1-oxyl is a controlled substance.
How is this product packed and shipped?
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This product is carefully packed to ensure stability during transit. As a global supplier and exporter, Tech Serve Solutions adheres to all relevant shipping regulations for chemical products.
How can I request a sample or a quote?
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To request a sample or a quotation for 4-Amino-2,2,6,6-tetramethylpiperidine-1-oxyl, please contact our sales team through the website or by phone.
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