- Chemical Name:2-Hydroxyhydroquinonephthalein
- CAS No.:2320-44-7
- Molecular Formula:C20H12O7
- Molecular Weight:364.311
- Hs Code.:2932999099
- NSC Number:509213
- UNII:FDE424SF6T
- DSSTox Substance ID:DTXSID00177781
- Nikkaji Number:J227.799I
- Wikidata:Q83048122
- Mol file:2320-44-7.mol
Synonyms:2-hydroxyhydroquinonephthalein;HHQNPH;o-hydroxyhydroquinonephthalein;ortho-hydroxyhydroquinonephthalein