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Ethyl-2,4-dioxovalerat
ETHYL 2,4-DIOXOPENTANOATE · ETHYL ACETOPYRUVATE · erate · Oxalacetone · 2,4-dioxovaL · AKOS MSC-0252 · Ethyl pyruvoxalate · TIMTEC-BB SBB008612

Identifikatoren & physikalische Daten
| CAS No. | 615-79-2 |
|---|---|
| Summenformel | C7H10O4 |
| Durchschnittliche Molmasse | 158,15 g/mol |
| Monoisotopische Masse | 158,0579088 g/mol |
| SMILES | CCOC(=O)C(=O)CC(C)=O |
| InChIKey | OYQVQWIASIXXRT-UHFFFAOYSA-N |
| PubChem CID | 69208 |
| EC No. | 210-447-5 |
| DTXSID | DTXSID10210476 |
| Lokaler Name | Ethyl-2,4-dioxovalerat |
Chemische & physikalische Eigenschaften
| XLogP | 0,2 |
|---|---|
| Polarare Oberfläche (TPSA) | 60,4 |
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 4 |
| Frei drehbare Bindungen | 5 |
| Schwere Atome | 11 |
| Formalladung | 0 |
| Komplexität | 183 |
| SpringerMaterials Properties | Optical coefficient |
| Schmelzpunkt | 16-18 °C (lit.) |
| Siedepunkt | 101-103 °C/12 mmHg (lit.) |
| Dichte | 1.126 g/mL at 25 °C (lit.) |
| Brechungsindex | n20/D 1.474(lit.) |
| Flammpunkt | >230 °F |
| Lagerbedingungen | 2-8°C |
| Löslichkeit | Chloroform, MethanolMiscible with water, ether,chloroform, methanol and ethanol. |
| Aggregatzustand | Liquid |
| pKa (Säurekonstante) | 6.86±0.46(Predicted) |
| Farbe | Clear yellow |
| Wichte | 1.126 |
| BRN | 607062 |
| Dielektrizitätskonstante | 16.1(19℃) |
| InChI | 1S/C7H10O4/c1-3-11-7(10)6(9)4-5(2)8/h3-4H2,1-2H3 |
| InChIKey | OYQVQWIASIXXRT-UHFFFAOYSA-N |
| SMILES | CCOC(=O)C(=O)CC(C)=O |
| CAS Datenbank | 615-79-2(CAS DataBase Reference) |
| NIST chemische Informationen | Ethyl 2,4-dioxovalerate(615-79-2) |
Sicherheit & Vorschriften
| GHS-Einstufung | This chemical does not meet GHS hazard criteria for 50% (2 of 4) of reports.WarningH302 (25%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 4 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Regulatorische Informationen | Pentanoic acid, 2,4-dioxo-, ethyl ester: Does not have an individual approval but may be used under an appropriate group standard |
| Hazard Classes and Categories | Acute Tox. 4 (25%) |
| Wassergefährdungsklasse (WGK) | 3 |
| Zollcode | 29183000 |
| R-Sätze (R) | 22-36/37/38 |
| Gefahrensymbole | Xn |
| Sicherheitshinweise (S) | 23-24/25-36-26 |
| Gefahrenklasse | IRRITANT |
| Lagerklasse | 10 - Combustible liquids |
Anwendungen & Verwendung
Verwenden
Ethyl 2,4-dioxovalerate was used in the preparation of:1H-pyrazolo-[3,4-d]-pyridazin-7(6H)-one core analogpyrazole