3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyloxy
Synonym(s):3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyloxy, free radical
- CAS NO.：2154-70-3
- Empirical Formula: C9H15N2O*
- Molecular Weight: 167.23
- MDL number: MFCD00010548
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:48:20
What is 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyloxy?
The Uses of 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyloxy
3-Cyano-PROXYL is a stable free radical that can be used in the ESR technique as a nitroxide standard:
- For the estimation of relative concentrations of the spin adducts of 5,5-dimethyl-1-pyrroline-N-oxide (DMPO) with ·OH and O2.- radicals.
- For the determination of free radicals present in an aqueous cigarette tar extract.
Definition
ChEBI: 3-cyano-PROXYL is a member of aminoxyls and a pyrrolidinecarbonitrile. It is functionally related to a PROXYL.
General Description
Spin label
Properties of 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyloxy
| Melting point: | 31-33 °C (lit.) |
| Flash point: | 113 °C |
| storage temp. | 2-8°C |
Safety information for 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyloxy
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. |
Computed Descriptors for 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyloxy
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