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HS Code |
476634 |
| Chemical Name | 4-Methacryloyloxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical |
| Synonyms | Methacryloyloxy-TEMPO |
| Cas Number | 27832-87-7 |
| Molecular Formula | C13H22NO3 |
| Molecular Weight | 240.32 |
| Appearance | Red to orange solid |
| Melting Point | 65-70°C |
| Solubility | Soluble in organic solvents such as methanol, ethanol, and acetone |
| Purity | Typically ≥ 95% |
| Storage Conditions | Store at -20°C, protected from light and moisture |
| Functional Groups | Methacrylate ester, nitroxide radical, piperidine ring |
| Application | Used as a polymerization inhibitor or nitroxide-mediated radical polymerization (NMRP) agent |
| Stability | Stable under recommended storage conditions |
| Smiles | CC(=C)C(=O)OCC1CN([O])C(C)(C)CC1(C)C |
| Ec Number | 248-681-5 |
As an accredited 4-Methacryloyloxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The chemical is supplied by Sigma Aldrich in a sealed amber glass bottle, 5 grams, with safety labeling and a tamper-evident cap. |
| Shipping | 4-Methacryloyloxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical is shipped in securely sealed containers to protect from moisture and light. It is classified as a hazardous material, requiring appropriate labeling and documentation. Shipments typically use temperature-controlled packaging and adhere to DOT/IATA regulations for safe handling of chemicals. |
| Storage | 4-Methacryloyloxy-2,2,6,6-tetramethylpiperidine 1-oxyl free radical should be stored in a tightly sealed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Keep away from heat, ignition sources, and incompatible materials such as strong acids and reducing agents. Refrigeration (2–8°C) is recommended to maintain chemical stability and prolong shelf life. |
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