HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 66055Erstellt: 26. Oktober 2026
5-Methyl-2-pyrrolidinon
5-Methylpyrrolidin-2-one · gamma-Valerolactam · 4-Pentanelactam · 5-METHYLBUTYROLACTAM · 5-METHYL-2-PYRROLIDONE · 5-methyl-2-pyridineone · 5-Methyl-2-pyprrolidone · 5-METHYL-2-PYRROLIDINONE
https://huagongshe.com/de/chemical/66055
Identifikatoren & physikalische Daten
| CAS No. | 108-27-0 |
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| Summenformel | C5H9NO |
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| Durchschnittliche Molmasse | 99,13 g/mol |
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| Monoisotopische Masse | 99,06841391 g/mol |
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| SMILES | CC1CCC(=O)N1 |
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| InChIKey | YVIVRJLWYJGJTJ-UHFFFAOYSA-N |
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| PubChem CID | 66055 |
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| ChEBI | CHEBI:183240 |
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| EC No. | 203-566-9 |
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| DTXSID | DTXSID50870457 |
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| Lokaler Name | 5-Methyl-2-pyrrolidinon |
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Chemische & physikalische Eigenschaften
| XLogP | 0 |
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| Polarare Oberfläche (TPSA) | 29,1 |
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| H-Brücken-Donoren | 1 |
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| H-Brücken-Akzeptoren | 1 |
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| Frei drehbare Bindungen | 0 |
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| Schwere Atome | 7 |
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| Formalladung | 0 |
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| Komplexität | 90,1 |
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| LogP (Verteilungskoeffizient) | -0.1 |
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| Schmelzpunkt | 41-43 °C(lit.) |
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| Siedepunkt | 248 °C(lit.) |
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| Dichte | 1.0458 |
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| Brechungsindex | 1.4431 (estimate) |
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| Flammpunkt | >230 °F |
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| Lagerbedingungen | 2-8°C |
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| pKa (Säurekonstante) | 16.68±0.40(Predicted) |
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| Aggregatzustand | powder to lump to clear liquid |
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| Farbe | White or Colorless to Light yellow |
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| InChI | 1S/C5H9NO/c1-4-2-3-5(7)6-4/h4H,2-3H2,1H3,(H,6,7) |
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| InChIKey | YVIVRJLWYJGJTJ-UHFFFAOYSA-N |
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| SMILES | CC1CCC(=O)N1 |
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| CAS Datenbank | 108-27-0 |
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Sicherheit & Vorschriften
| GHS-Einstufung | WarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 44 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
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| Hazard Classes and Categories | Skin Irrit. 2 (100%) |
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| Wassergefährdungsklasse (WGK) | 3 |
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| Zollcode | 2933.79.8500 |
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| R-Sätze (R) | 36/37/38 |
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| Gefahrensymbole | Xi |
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| Sicherheitshinweise (S) | 26-37/39 |
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| Lagerklasse | 10 - Combustible liquids |
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| Gefahrenklasse | Eye Irrit. 2Skin Irrit. 2STOT SE 3 |
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