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HCID 76247Erstellt: 26. Oktober 2026
Dihydro-3,3-dimethyl-2H-pyran-2,6(3H)-dion
3,3-Dimethyldihydro-2H-pyran-2,6(3H)-dione · 3,3-dimethyloxane-2,6-dione · 3,3-dimethyltetrahydropyran-2,6-dione · 2,2-Dimethylglutaric anhydride · 2,2-Dimethylglutaric Anhydride >2,2-Dimethylglutaric anhydride,98% · 2,2-DIMETHYLGLUTARIC ANHYDRIDE 98% · 2,2-dimethylglutaric acid anhydride · ALPHA,ALPHA-DIMETHYLGLUTARIC ANHYDRIDE
https://huagongshe.com/de/chemical/76247
Identifikatoren & physikalische Daten
| CAS No. | 2938-48-9 |
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| Summenformel | C7H10O3 |
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| Durchschnittliche Molmasse | 142,15 g/mol |
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| Monoisotopische Masse | 142,06299418 g/mol |
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| SMILES | CC1(C)CCC(=O)OC1=O |
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| InChIKey | PAVNZLVXYJDFNR-UHFFFAOYSA-N |
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| PubChem CID | 76247 |
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| EC No. | 220-922-9 |
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| DTXSID | DTXSID70183612 |
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| Lokaler Name | Dihydro-3,3-dimethyl-2H-pyran-2,6(3H)-dion |
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Chemische & physikalische Eigenschaften
| XLogP | 0,8 |
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| Polarare Oberfläche (TPSA) | 43,4 |
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| H-Brücken-Donoren | 0 |
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| H-Brücken-Akzeptoren | 3 |
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| Frei drehbare Bindungen | 0 |
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| Schwere Atome | 10 |
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| Formalladung | 0 |
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| Komplexität | 181 |
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| SpringerMaterials Properties | Chemical shift |
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| Schmelzpunkt | 34-38 °C (lit.) |
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| Siedepunkt | 175-180 °C/60 mmHg (lit.) |
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| Dichte | 1.1643 (rough estimate) |
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| Brechungsindex | 1.4730 (estimate) |
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| Flammpunkt | >230 °F |
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| Aggregatzustand | powder to lump |
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| Farbe | White to Almost white |
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| BRN | 117056 |
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| InChI | InChI=1S/C7H10O3/c1-7(2)4-3-5(8)10-6(7)9/h3-4H2,1-2H3 |
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| InChIKey | PAVNZLVXYJDFNR-UHFFFAOYSA-N |
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| SMILES | C1(=O)OC(=O)CCC1(C)C |
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| CAS Datenbank | 2938-48-9(CAS DataBase Reference) |
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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 45 reports by companies from 5 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 | 29171990 |
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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 | 11 - Combustible Solids |
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| Gefahrenklasse | Eye Irrit. 2Skin Irrit. 2STOT SE 3 |
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