31630

3,4-Diethoxy-3-cyclobutene-1,2-dione

purum, ≥97.0% (GC)

• Synonym(s): Diethyl squarate, Squaric acid diethyl ester
• Linear Formula: (C₂H₅O)₂C₄(=O)₂
• CAS Number: 5231-87-8
• Molecular Weight: 170.16
• Beilstein/REAXYS Number: 640626
• MDL number: MFCD00001333
• UNSPSC Code: 12352100
• PubChem Substance ID: 24859005

Properties

• grade: purum
• assay: ≥97.0% (GC)
• refractive index: n20/D 1.509 (lit.); n20/D 1.509
• bp: 95 °C/0.1 mmHg (lit.)
• density: 1.15 g/mL at 25 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: CCOC1=C(OCC)C(=O)C1=O
• InChI: 1S/C8H10O4/c1-3-11-7-5(9)6(10)8(7)12-4-2/h3-4H2,1-2H3
• Inchi Key: DFSFLZCLKYZYRD-UHFFFAOYSA-N

Description

Other Notes

Building block for the synthesis of substituted and fused p-benzoquinones and of cyclopentenediones