phosphoric acid

[1. Phosphoric acid, O=P(OH)3, distinguished by ortho- from metaphosphoric and pyrophosphoric acids, (HPO3)n and OP(OH2)OP(OH)2O, respectively, which are anhydrides of H3PO4; the ultimate anhydride is phosphorus pentoxide, P2O5.

Molecular Formula: H₃O₄P

InChI: InChI=1/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/f/h1-3H

InChIKey: InChIKey=NBIIXXVUZAFLBC-UGMYVIKVCK
SMILES: [H]OP(=O)(O[H])O[H]

CAS number 7664-38-2

Names:
    H3PO4
    ORTHOPHOSPHORIC ACID
    orthophosphoric acid
    Phosphoric acid
    phosphoric acid
    Phosphorsäure
    [PO(OH)3]

Registries:
    PubChem CID 1004
    Beilstein =1921286
    CAS 7664-38-2 (from NIST)
    ChEBI 26078
    Gmelin 2000
    PubChem ID 10535281