trimetaphosphoric acid is a chemical compound registered under CAS number 13566-25-1, with the molecular formula H3O9 P3 and a molecular weight of about 79.98 g/mol. It is also known as 1,3,5,2,4,6-Trioxatriphosphorinane,2,4,6-trihydroxy-, 2,4,6-trioxide; Cyclotriphosphoric acid; Trimetaphosphoricacid. ChemRoots supplies trimetaphosphoric acid for laboratory research and bulk production; product code 936785. Send an inquiry for purity, packaging, price and lead time.