3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical
Synonym(s):3-(Carboxy)-2,2,5,5-tetramethyl-1-pyrrolidinyloxy;3-Carboxy-2,2,5,5-tetramethyl-1-pyrrolidinyloxy, free radical
- CAS NO.：2154-68-9
- Empirical Formula: C9H16NO3*
- Molecular Weight: 186.23
- MDL number: MFCD00003167
- EINECS: 218-448-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:36:12
What is 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical?
Chemical properties
Yellow Solid
The Uses of 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical
3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical has been used to determine distribution coefficients of neutral solubilizates in anionic micelles
The Uses of 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical
3-Carboxy-PROXYL is used in the synthesis and reactions of stable nitroxyl radicals. It is also used to study molecular migration and long-term stability of seeds and pollen and used in the preparation of a tetraphenylporphyrin bearing a nitroxyl radical.
What are the applications of Application
3-Carboxy-2,2,5,5-tetramethyl-1-pyrrolidine-1-oxyl, free radical is a free radical compound
Definition
ChEBI: 3-carboxy-PROXYL is a member of aminoxyls and a pyrrolidinecarboxylic acid. It is functionally related to a PROXYL.
Properties of 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical
| Melting point: | 200°C (dec.) |
| Boiling point: | 320.72°C (rough estimate) |
| Density | 1.1417 (rough estimate) |
| refractive index | 1.4640 (estimate) |
| storage temp. | 2-8°C |
| solubility | Aqueous Base (Slightly), Chloroform (Slightly, Sonicated), Methanol (Slightly） |
| form | Solid |
| color | Pale Beige to Beige |
| Water Solubility | Soluble in water (partly miscible), methanol (50 mg/ml), acetone, dichloromethane and chloroform. |
| BRN | 4136411 |
| CAS DataBase Reference | 2154-68-9(CAS DataBase Reference) |
| EPA Substance Registry System | 1-Pyrrolidinyloxy, 3-carboxy-2,2,5,5-tetramethyl- (2154-68-9) |
Safety information for 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| 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. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical
| InChIKey | GEPIUTWNBHBHIO-UHFFFAOYSA-N |
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![3-[(ETHOXYCARBONYL)OXYCARBONYL]-2,5-DIHYDRO-2,2,5,5-TETRAMETHYL-1H-PYRROL-1-YLOXY](https://img.chemicalbook.in/CAS/GIF/19187-50-9.gif)
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