TEMPO (2,2,6,6-Tetramethylpiperidin-1-oxyl)
Chemical Name: 2,2,6,6-Tetramethyl-1-piperidinyloxyl
Molecular Formula: C₉H₁₈NO
CAS Number: 2564-83-2
A highly versatile and stable nitroxyl radical, renowned for its utility as a catalyst in selective organic oxidations and as a mediator in controlled radical polymerization (NMP). VUP produces high-purity TEMPO at pilot scale.
Technical Specifications
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Chemical Identity
| Chemical Name | 2,2,6,6-Tetramethyl-1-piperidinyloxyl |
| Synonyms | TEMPO |
| CAS Number | 2564-83-2 |
| EC Number | 219-888-8 |
| Molecular Formula | C₉H₁₈NO |
| Molecular Weight | 156.25 g/mol |
VUP Specifications (Standard Grade)
| Property | Specification |
|---|---|
| Appearance | Orange-red crystalline solid |
| Purity | min. 98.0 % wt |
Note: Specifications that are provided above are typical values and should not be considered as guaranteed analysis.
Key Features & Benefits
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Highly Selective Oxidation
Provides exceptional selectivity in alcohol oxidation reactions under mild conditions, avoiding over-oxidation and maintaining product quality in sensitive synthetic processes.
Stable Radical Source
Persistent nitroxyl radical offers reliable performance as spin label probe and catalyst, unlike transient radicals that quickly decompose.
Controlled Polymerization
Enables precise control over polymer architecture through NMP, allowing synthesis of well-defined block copolymers and materials with specific performance characteristics.
High Purity Grade
Supplied at minimum 98% purity ensuring consistent reactivity and reliable performance in demanding catalytic and synthetic applications.
Pilot Scale Production
Manufactured at VUP pilot plant facility with documented capacity, ensuring availability beyond laboratory scale for commercial applications.
Versatile Intermediate
Serves as key building block for synthesizing functionalized TEMPO derivatives and valuable pharmaceutical intermediates with enhanced properties.
Applications
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Selective Oxidation Catalyst
Widely used as catalyst for efficient and selective oxidation of primary alcohols to aldehydes and secondary alcohols to ketones under mild conditions in fine chemical and pharmaceutical synthesis.
Controlled Radical Polymerization
Mediator for Nitroxide Mediated Polymerization (NMP) enabling synthesis of polymers with controlled molecular weight, narrow polydispersity, and complex architectures.
EPR Spectroscopy
Stable radical source used as spin label probe in Electron Paramagnetic Resonance spectroscopy for studying molecular environments, dynamics, and radical reaction mechanisms.
Pharmaceutical Intermediates
Key precursor for synthesizing valuable derivatives including potential Active Pharmaceutical Ingredients (APIs) such as compounds for Parkinson's treatment.
Cellulose Oxidation
Used in TEMPO-mediated oxidation of cellulose and pulp for producing modified cellulose materials with enhanced properties in specialty paper and biomaterial applications.
Product Information & Technical Documents
Essential information and documentation for TEMPO (2,2,6,6-Tetramethylpiperidin-1-oxyl)
Product Identification
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Technical Documents
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Technical Data Sheet (TDS)
Complete technical specifications, physical properties, and application information for TEMPO (2,2,6,6-Tetramethylpiperidin-1-oxyl)
Safety Data Sheet (SDS)
Safety information, handling procedures, and regulatory details for TEMPO (2,2,6,6-Tetramethylpiperidin-1-oxyl)
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Frequently Asked Questions
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