| English name: 3,4-Diethoxy-3-cyclobutene-1,2-dione English alias: 3,4-Diethoxycyclobut-3-ene-1,2-dione; 3,4-Diethoxy-3-Cyclobutene-1,2-Dione; 3,4-diethoxycyclobut-3-ene-1,2-dione; Diethyl Squarate; Squaric Acid Diethyl Ester; CAS No. 5231-87-8 Molecular formula: C8H10O4 Molecular weight: 170.16300 Appearance and properties: transparent yellow to light brown liquid Density: 1.15 g/mL at 25 degrees C (lit.) Boiling point: 95 degrees C 0.1 mm Hg (lit.) Flash point: > 230 degrees F refractive index: n20/D 1.509 (lit.) Storage conditions: 2-8 unitary C |