CAS: 6303-21-5 Molecular Formula: H3O2P Molecular Weight (g/mol): 66.00 MDL Number: MFCD02183592 InChI Key: ACVYVLVWPXVTIT-UHFFFAOYSA-N Synonym: hypophosphite ion,hypophosphorus acid,phosphinic acid, ion 1-,hypophosphorus acid,oxo-,hydroxyphosphanone,oxo-,e5-phosphanol,diperfluoroalkyl c6-c12 phosphinic acid,hydroxy-,diperfluoroalkyl c6-c12 phosphinic acid,hydroxy- PubChem CID: 22497 ChEBI: CHEBI:36363 IUPAC Name: phosphinic acid SMILES: O[PH2]=O