CAS: 877-24-7 Molecular Formula: C8H5KO4 Molecular Weight (g/mol): 204.22 MDL Number: MFCD00013070 InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M Synonym: potassium hydrogen phthalate,potassium biphthalate,monopotassium phthalate,potassium acid phthalate,hydrogen potassium phthalate,phthalic acid monopotassium salt,1,2-benzenedicarboxylic acid, monopotassium salt,phthalic acid, monopotassium salt,phthalic acid potassium salt,potassium phthalate monobasic PubChem CID: 23676735 IUPAC Name: potassium;2-carboxybenzoate SMILES: C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]