4951 Phosphoric acid Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid, is a mineral acid with the chemical formula H3PO4. Alternatively, orthophosphoric acid molecules can combine with themselves to form a variety of compounds referred to as phosphoric acids in a more general way. For a discussion of these, see Phosphoric acids and Phosphates. Appears to exist only as a food additive and produced synthetically. --Wikipedia. 7664-38-2 1004 H3O4P White powder. 42.35 °C No indication of carcinogenicity to humans (not listed by IARC). 2014-09-11T05:21:17Z 2014-12-24T20:26:59Z http://en.wikipedia.org/wiki/Phosphoric acid C00009 26078 true OP(O)(O)=O H3O4P InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4) InChIKey=NBIIXXVUZAFLBC-UHFFFAOYSA-N 97.9952 97.976895096 Endogenous Solid -1.436 HMDB02142 979