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HCID 8610Erstellt: 26. Oktober 2026

Diethylethylmalonat

Diethyl 2-ethylmalonate · DEEM · Ethylmalonicester · Ethylethylmalonate · Diethylethylmalonat · Diethyl Ethylmalote · DIETHYL ETHYLAMAONATE · DIETHYL ETHYLMALONATE

https://huagongshe.com/de/chemical/8610

Molekülstruktur von Diethylethylmalonat

Identifikatoren & physikalische Daten

CAS No.133-13-1
SummenformelC9H16O4
Durchschnittliche Molmasse188,22 g/mol
Monoisotopische Masse188,10485899 g/mol
SMILESCCOC(=O)C(CC)C(=O)OCC
InChIKeyVQAZCUCWHIIFGE-UHFFFAOYSA-N
PubChem CID8610
EC No.205-093-3
DTXSIDDTXSID7038739
Lokaler NameDiethylethylmalonat

Chemische & physikalische Eigenschaften

XLogP1,8
Polarare Oberfläche (TPSA)52,6
H-Brücken-Donoren0
H-Brücken-Akzeptoren4
Frei drehbare Bindungen7
Schwere Atome13
Formalladung0
Komplexität158
StoffklassenOther Classes -> Esters, Other
SpringerMaterials PropertiesBoiling point
Physical DescriptionClear colorless liquid[Acros Organics MSDS]
Schmelzpunkt0°C
Siedepunkt75-77 °C/5 mmHg (lit.)
Dichte1.004 g/mL at 25 °C (lit.)
Brechungsindexn20/D 1.416(lit.)
Flammpunkt191 °F
LagerbedingungenStore below +30°C.
Löslichkeit2.87g/limmiscible
AggregatzustandLiquid
pKa (Säurekonstante)13.17±0.46(Predicted)
FarbeClear colorless
pH4.46 at 24.3℃ and 10g/L
BRN607635
InChI1S/C9H16O4/c1-4-7(8(10)12-5-2)9(11)13-6-3/h7H,4-6H2,1-3H3
InChIKeyVQAZCUCWHIIFGE-UHFFFAOYSA-N
SMILESCCOC(=O)C(CC)C(=O)OCC
LogP (Verteilungskoeffizient)2.4 at 30℃ and pH7.93
CAS Datenbank133-13-1(CAS DataBase Reference)
NIST chemische InformationenPropanedioic acid, ethyl-, diethyl ester(133-13-1)
EPA chemische InformationenPropanedioic acid, ethyl-, diethyl ester (133-13-1)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 45.5% (5 of 11) of reports.WarningH227 (54.5%): Combustible liquid [Warning Flammable liquids]P210, P280, P370+P378, P403, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 11 reports by companies from 2 notifications to the ECHA C&L Inventory.
Regulatorische InformationenChemical: Propanedioic acid, 2-ethyl-, 1,3-diethyl esterStatus: Active Update: 05-02-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/17932Diethyl ethylmalonate: Does not have an individual approval but may be used under an appropriate group standard
Weitere SicherheitsinformationenEvaluation - Chemicals that are unlikely to require further regulation to manage risks to human health
GefahrenübersichtMay cause irritation[Acros Organics MSDS] See Dimethyl malonate and Ethyl malonate.
Hazard Classes and CategoriesFlam. Liq. 4 (54.5%)
Wassergefährdungsklasse (WGK)2
TSCA-Inventar-StatusTSCA listed
Zollcode29171990
R-Sätze (R)36/37/38
ToxizitätLD50 orally in Rabbit: > 2000 mg/kg LD50 dermal Rat > 2000 mg/kg
GefahrensymboleXi
Sicherheitshinweise (S)24/25-36-26
Lagerklasse10 - Combustible liquids

Anwendungen & Verwendung

Verwenden

Diethyl Ethylmalonate is used in the synthesis of HIV-1 reverse transcriptase inhibitors. Also used in the preparation of Peloruside A, a novel antimitotic agent used as a potential anti-cancer agent.