2-KETOPIPERIDINE
2-Piperidone
CAS: 675-20-7
Molecular Formula: C5H9NO
2-KETOPIPERIDINE - Names and Identifiers
| Name | 2-Piperidone |
| Synonyms | Piperidon Piperidone-2 2-Piperidone δ-Valerolactam 5-pentanelactam piperidin-2-one 5-Pentanolactam 2-KETOPIPERIDINE 2-AZACYCLOHEXANONE 2-Piperidinone for synthesis Pentanoic acid, 5-amino-, lactam |
| CAS | 675-20-7 |
| EINECS | 211-622-9 |
| InChI | InChI=1/C5H9NO/c7-5-3-1-2-4-6-5/h1-4H2,(H,6,7) |
| InChIKey | XUWHAWMETYGRKB-UHFFFAOYSA-N |
2-KETOPIPERIDINE - Physico-chemical Properties
| Molecular Formula | C5H9NO |
| Molar Mass | 99.13 |
| Density | 1.073 |
| Melting Point | 38-40 °C (lit.) |
| Boling Point | 256 °C (lit.)81-82 °C/0.1 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | 291 g/L (25 ºC) |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.0158mmHg at 25°C |
| Appearance | Solid |
| Color | White to yellow to brown |
| BRN | 106434 |
| PH | 4.8 (200g/l, H2O, 20℃) |
| Storage Condition | Sealed in dry,Room Temperature |
| Sensitive | Hygroscopic |
| Explosive Limit | 1.5-8.7%(V) |
| Refractive Index | 1.4431 (estimate) |
| MDL | MFCD00006037 |
2-KETOPIPERIDINE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37 - Irritating to eyes and respiratory system. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | TO0110000 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | Yes |
| HS Code | 29337900 |
2-KETOPIPERIDINE - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | 2-azahexanone is a ketonic organic compound that can be used as an organic intermediate. |
| preparation | 2-azacyclohexanone can be prepared by a two-step reaction from cyclopentanone. It has been reported in the literature that it can be used for the preparation of valerolactam alkaloids and 1-(4-nitrophenyl) piperidin-2-one. |
| biological activity | 2-Piperidone is an endogenous metabolite. |
Last Update：2024-04-09 15:16:52
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