Synonyms:

9’-(9H)xanthen)-3-one,3’,4’,5’,6’-tetrahydroxy-Spiro(isobenzofuran-1(3H);9’-[9h]xanthen]-3-one,3’,4’,5’,6’-tetrahydroxy-spiro[isobenzofuran-1(3h;Alizarinvio-letGBS;Spiro(isobenzofuran-1(3H),9’-(9H)xanthen)-3-one,3’,4’,5’,6’-;ANTHRACENE VIOLET;ALIZARIN VIOLET;3',4',5',6'-tetrahydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one;Callein

Canonical SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C(=C(C=C4)O)O)OC5=C3C=CC(=C5O)O

Density:1.2392(roughestimate)

Boiling Point:389.44°C(roughestimate)

Refractive Index:1.6120(estimate)

Melting Point: >300°C

Storage: 2-8°C

PKA: 5.99(at25℃)

Appearance: powder