4-Acetamido-2,2,6,6-tetramethylpiperidine 1-oxyl

CAS 14691-89-5C11H21N2O2Chemical Synthesis

4-Acetamido-2,2,6,6-tetramethylpiperidine 1-oxyl (CAS 14691-89-5), with a molecular formula of C11H21N2O2 and a molecular weight of 213.30, is a stable nitroxide radical. It serves as a versatile reagent in chemical synthesis, particularly in radical chemistry and as a TEMPO derivative. Its properties make it valuable for various research and development applications requiring controlled oxidation or radical processes.

Synonyms: 4-Acetamido-2,2,6,6-tetramethylpiperidine 1-oxyl14691-89-5C11H21N2O26-tetramethylpiperidine 1-oxyl

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4-Acetamido-2,2,6,6-tetramethylpiperidine 1-oxyl (C11H21N2O2) — chemical structure, CAS 14691-89-5; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisRadical ChemistryStable RadicalsSynthetic ReagentsTEMPO Derivatives

01 /Applications

Radical Chemistry Research

This compound is a stable radical, frequently employed in studies involving radical reactions and mechanisms. Its paramagnetic nature allows for ESR/EPR spectroscopic analysis.

Oxidation Reactions

As a TEMPO derivative, it can function as a catalyst or mediator in selective oxidation reactions of alcohols and other organic substrates. It offers controlled reactivity under specific conditions.

Polymer Science

It can be utilised in controlled radical polymerisation techniques, such as Nitroxide-Mediated Polymerization (NMP), to synthesise polymers with defined architectures and molecular weights.

Spin Labelling and Trapping

The stable radical can be used as a spin label for probing biological or material structures, or as a spin trap to detect transient radical species.

02 /Properties

Molecular weight	213.30
Empirical formula	C11H21N2O2
Assay	≥98.0% (HPLC)
Storage temperature	2-8°C
Melting point	143-145 °C(lit.)143-146 °C

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	1
Hazard codes (EU)	Xn
Risk statements (R)	22
Safety statements (S)	22

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

14691-89-5

MDL number

MFCD00043593

PubChem substance

24845016

Beilstein registry

3546225

05 /Quality & supply

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.

06 /Frequently asked questions

What is 4-Acetamido-2,2,6,6-tetramethylpiperidine 1-oxyl used for?

This compound is primarily used in chemical synthesis, radical chemistry, as a TEMPO derivative for oxidation reactions, and in polymer science for controlled polymerisation.

What is the CAS number and molecular formula?

The CAS number is 14691-89-5 and the molecular formula is C11H21N2O2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this chemical with a purity of ≥98.0% (HPLC). This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or pharmaceutical grade.

What are the safety and handling precautions for this chemical?

This compound is harmful if swallowed (H302). When handling, it is recommended to use a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust.