IUPAC Name :(2E)-but-2-enedioic acid
InChI :InChI=1/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+
Std.InChI: InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+
InChIKey :VZCYOOQTPOCHFL-OWOJBTEDBF
Std.InChIKey: VZCYOOQTPOCHFL-OWOJBTEDSA-N
SMILES :C(=C/C(=O)O)\C(=O)O
MDL: MFCD00002700
Molar Refractivity :23.76 ± 0.3 cm3 (est)
Parachor :222.0 ± 4.0 cm3 (est)
Index of Refraction :1.526 ± 0.02 (est)
Surface Tension :67.6 ± 3.0 dyne/cm (est)
Density :1.499 ± 0.06 g/cm3 (est)
Polarizability :9.42 ± 0.5 10-24cm3 (est)