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HCID 66045Erstellt: 25. Oktober 2026

Diethyl-3-oxoglutarat

Diethyl 3-oxopentanedioate · DIETHYL ACETONEDICARBOXYLATE · DIETHYL 3-KETOGLUTARATE · Acetonedicarboxylic · Diethyl-3-oxo-pentan · Ethyl 3-oxoglutarate · Diethyl-3-oxoglutarat · Diethyl β-oxoglutarate

https://huagongshe.com/de/chemical/66045

Molekülstruktur von Diethyl-3-oxoglutarat

Identifikatoren & physikalische Daten

CAS No.105-50-0
SummenformelC9H14O5
Durchschnittliche Molmasse202,2 g/mol
Monoisotopische Masse202,08412355 g/mol
SMILESCCOC(=O)CC(=O)CC(=O)OCC
InChIKeyZSANYRMTSBBUCA-UHFFFAOYSA-N
PubChem CID66045
EC No.203-302-2
DTXSIDDTXSID1059317
Lokaler NameDiethyl-3-oxoglutarat

Chemische & physikalische Eigenschaften

XLogP0,7
Polarare Oberfläche (TPSA)69,7
H-Brücken-Donoren0
H-Brücken-Akzeptoren5
Frei drehbare Bindungen8
Schwere Atome14
Formalladung0
Komplexität199
StoffklassenOther Classes -> Esters, Other
Physical DescriptionColorless liquid[Alfa Aesar MSDS]
Schmelzpunkt125 °C
Siedepunkt250 °C (lit.)
Dichte1.113 g/mL at 25 °C (lit.)
Brechungsindexn20/D 1.440(lit.)
Flammpunkt187 °F
LagerbedingungenSealed in dry,2-8°C
LöslichkeitChloroform (Slightly), Ethyl Acetate (Slightly)10 g/L (20 ºC)
pKa (Säurekonstante)9.66±0.46(Predicted)
AggregatzustandLiquid
FarbeClear colorless to pale yellow
BRN640146
InChI1S/C9H14O5/c1-3-13-8(11)5-7(10)6-9(12)14-4-2/h3-6H2,1-2H3
InChIKeyZSANYRMTSBBUCA-UHFFFAOYSA-N
SMILESCCOC(=O)CC(=O)CC(=O)OCC
CAS Datenbank105-50-0(CAS DataBase Reference)
NIST chemische InformationenPentanedioic acid, 3-oxo-, diethyl ester(105-50-0)
EPA chemische InformationenPentanedioic acid, 3-oxo-, diethyl ester (105-50-0)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 66.7% (2 of 3) of all reports.WarningH315 (33.3%): 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 3 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenChemical: Pentanedioic acid, 3-oxo-, diethyl esterPentanedioic acid, 3-oxo-, diethyl ester: Does not have an individual approval but may be used under an appropriate group standard
GefahrenübersichtMay cause irritation[Alfa Aesar MSDS]
Hazard Classes and CategoriesSkin Irrit. 2 (33.3%)
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
UN-TransportnummerUN 2810
Zollcode29183000
R-Sätze (R)36/37/38
GefahrensymboleF,Xi
hazard_noteFlammable/Moisture Sensitive
Sicherheitshinweise (S)23-24/25-36-26
Lagerklasse10 - Combustible liquids

Anwendungen & Verwendung

Verwenden

Diethyl 1,3-acetonedicarboxylate was used in the synthesis of novel pyrido[4,3,2-de]quinoline, isoquinolino[6,5,4,3-cde] quinoline and pyrazomycin. It was used as starting reagent in the synthesis of (±)-thienamycin, potent β-lactam antibiotic.