... 04-8 (dihydrate)25094-02-4 (tetrahydrate)7774-34-7 (hexahydrate)PubChem24854ChemSpider23237 YUNIIOFM21057LP YEC number233-140-8DrugBankDB01164ChEBICHEBI:3312 NChEMBLCHEMBL1200668 NRTECS numberEV9800000Jmol ... in alcoholsolubleAcidity (pKa)8-9 (anhydrous)6.5-8.0 (hexahydrate)StructureCrystal structureOrthorhombic (deformed rutile), oP6Space groupPnnm, No. 58Coordinationgeometryoctahedral, 6- ...