171263

Diethyloxalacetat Natriumsalz

95%

• Synonym(e): 2-Oxo-bernsteinsäure-diethylester Natriumsalz, Diethyl-oxaloacetat, Natrium-ethyloxalacetat
• Lineare Formel: C₂H₅OCOC(ONa)=CHCOOC₂H₅
• CAS-Nummer: 40876-98-0
• Molekulargewicht: 210.16
• Beilstein: 4279609
• EG-Nummer: 255-122-9
• MDL-Nummer: MFCD00035571
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24850057
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Assay: 95%
• mp (Schmelzpunkt): 188-190 °C (lit.)
• SMILES String: [Na+].CCOC(=O)\C=C(/[O-])C(=O)OCC
• InChI: 1S/C8H12O5.Na/c1-3-12-7(10)5-6(9)8(11)13-4-2;/h5,9H,3-4H2,1-2H3;/q;+1/p-1/b6-5-;
• InChIKey: UJZUICGIJODKOS-YSMBQZINSA-M

Beschreibung

Anwendung

Diethyl oxalacetate sodium salt can be used as a reagent to synthesize:

• Spiro[indoline-3,4′-pyrano[2,3-c]pyrazole derivatives via a one-pot reaction with isatins, malononitrile, and hydrazine hydrate.
• 2,3-dioxo-4-carboxy-5-substituted pyrrolidines by reacting with various aldehydes and primary amines.
• 2-nitro-4-fluoro triazole diester by treating with 2-nitro-4-fluoro-phenylazide.

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H302 - H315 - H319
• P-Sätze: P264 - P270 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves