pyrophosphoric acid

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IUPAC Name :phosphono dihydrogen phosphate
InChI :InChI=1/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)
Std.InChI: InChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)
InChIKey :XPPKVPWEQAFLFU-UHFFFAOYAX
Std.InChIKey: XPPKVPWEQAFLFU-UHFFFAOYSA-N
SMILES :OP(=O)(O)OP(=O)(O)O
MDL: MFCD00011343
Molar Refractivity :23.68 ± 0.3 cm3 (est)
Parachor :262.9 ± 4.0 cm3 (est)
Index of Refraction :1.560 ± 0.02 (est)
Surface Tension :166.3 ± 3.0 dyne/cm (est)
Density :2.430 ± 0.06 g/cm3 (est)
Polarizability :9.38 ± 0.5 10-24cm3 (est)