Chan eil searbhag neo-organach cumanta, searbhag phosphoric furasta a luaineach, chan eil e furasta a lobhadh, cha mhòr nach eil oxidation, le searbhag searbhagach, na searbhag lag ternary, tha an searbhachd aige nas laige na searbhag hydrochloric, searbhag sulfarach, searbhag nitric, ach nas làidire na searbhag acetic. searbhag, searbhag bòrrach, msaa Tha searbhag fosphoric gu furasta air a ghlanadh san adhar, agus caillidh teas uisge gus searbhag pyrophosphoric fhaighinn, agus an uairsin caillidh e uisge gus metaphosphate fhaighinn.