8628 <common-name>SODIUM PYROPHOSPHATE</common-name> <description nil="true"/> <cas>7722-88-5</cas> <pubchem-id>1023</pubchem-id> <chemical-formula>H4O7P2</chemical-formula> <weight>177.98</weight> <appearance nil="true"/> <melting-point nil="true"/> <boiling-point nil="true"/> <density nil="true"/> <solubility nil="true"/> <specific-gravity nil="true"/> <flash-point nil="true"/> <vapour-pressure nil="true"/> <route-of-exposure nil="true"/> <target nil="true"/> <mechanism-of-toxicity nil="true"/> <metabolism nil="true"/> <toxicity nil="true"/> <lethaldose nil="true"/> <carcinogenicity nil="true"/> <use-source nil="true"/> <min-risk-level nil="true"/> <health-effects nil="true"/> <symptoms nil="true"/> <treatment nil="true"/> <created-at type="dateTime">2016-05-19T02:26:52Z</created-at> <updated-at type="dateTime">2026-05-14T18:04:35Z</updated-at> <interacting-proteins nil="true"/> <wikipedia nil="true"/> <uniprot-id nil="true"/> <kegg-compound-id nil="true"/> <omim-id nil="true"/> <chebi-id nil="true"/> <biocyc-id nil="true"/> <ctd-id nil="true"/> <stitch-id nil="true"/> <drugbank-id>DB04160</drugbank-id> <pdb-id nil="true"/> <actor-id nil="true"/> <organism nil="true"/> <export type="boolean">true</export> <metabolizing-proteins nil="true"/> <transporting-proteins nil="true"/> <moldb-smiles>OP(O)(=O)OP(O)(O)=O</moldb-smiles> <moldb-formula>H4O7P2</moldb-formula> <moldb-inchi>InChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)</moldb-inchi> <moldb-inchikey>XPPKVPWEQAFLFU-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal">177.9751</moldb-average-mass> <moldb-mono-mass type="decimal">177.943225506</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>-1.4</logp> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id>996</chemspider-id> <structure-image-file-name nil="true"/> <structure-image-content-type nil="true"/> <structure-image-file-size type="integer" nil="true"/> <structure-image-updated-at type="dateTime" nil="true"/> <biodb-id nil="true"/> <synthesis-reference nil="true"/> <structure-image-caption nil="true"/> <chemdb-id>CHEM007523</chemdb-id> <dsstox-id>DTXSID4075035</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00013536</susdat-id> <iupac>(phosphonooxy)phosphonic acid</iupac> <moldb-polar-surface-area>124.29000000000002</moldb-polar-surface-area> <moldb-refractivity>25.5248</moldb-refractivity> <moldb-polarizability>10.276038338742834</moldb-polarizability> <moldb-rotatable-bond-count>2</moldb-rotatable-bond-count> <moldb-acceptor-count>6</moldb-acceptor-count> <moldb-donor-count>4</moldb-donor-count> <moldb-pka-strongest-acidic>1.7026764435673858</moldb-pka-strongest-acidic> <moldb-pka-strongest-basic nil="true"/> <moldb-physiological-charge>-3</moldb-physiological-charge> <moldb-number-of-rings>0</moldb-number-of-rings> <moldb-alogps-logp nil="true"/> <moldb-alogps-logs nil="true"/> <moldb-alogps-solubility nil="true"/> </compound>