|  | |  |  | 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical Basic information | 
 | Product Name: | 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical |  | Synonyms: | 3-CARBOXY-PROXYL;3-CARBOXY-PROXYL, FREE RADICAL;3-CARBOXY-2,2,5,5-TETRAMETHYL-1-PYRROLIDINE-1-OXYL;3-CARBOXY-2,2,5,5-TETRAMETHYL-1-PYRROLIDINYLOXY;3-CARBOXY-2,2,5,5-TETRAMETHYLPYRROLIDINE 1-OXYL;3-CARBOXY-2,2,5,5-TETRAMETHYLPYRROLIDINYL-1-OXY;RARECHEM AL BO 1259;1-Hydroxy-2,2,5,5-tetramethyl-3-pyrrolidinecarboxylic acid |  | CAS: | 2154-68-9 |  | MF: | C9H16NO3* |  | MW: | 186.23 |  | EINECS: | 218-448-2 |  | Product Categories: | Heterocyclic Compounds;Analytical Chemistry;ESR Spectrometry;Spin Labels;Heterocycles;Spin Labeling Compounds |  | Mol File: | 2154-68-9.mol |  |  | 
|  |  | 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical Chemical Properties | 
 | 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 |  | InChIKey | GEPIUTWNBHBHIO-UHFFFAOYSA-N |  | 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) | 
| Risk Statements | 36/37/38 |  | Safety Statements | 24/25 |  | WGK Germany | 3 |  | RTECS | UY6705500 |  | TSCA | Yes |  | HS Code | 2933998090 | 
|  |  | 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical Usage And Synthesis | 
 | Chemical Properties | Yellow Solid |  | Uses | 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical has been used to determine distribution coefficients of neutral solubilizates in anionic micelles |  | Uses | 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. |  | Definition | ChEBI: 3-carboxy-PROXYL is a member of aminoxyls and a pyrrolidinecarboxylic acid. It is functionally related to a PROXYL. | 
|  |  | 3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical Preparation Products And Raw materials | 
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