CAS 12021-95-3 appears in our catalog under these names: Hexafluorozirconic acid solution, Dihydrogen hexafluorozirconate, 20% w/w aq. soln. , Dihydrogen hexafluorozirconate, 45% w/w aq. soln. , HEXAFLUOROZIRCONIC ACID, 50 WT. % SOLUT&. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Sigma-Aldrich. Available pack sizes: 1l, 1kg, 2kg, 250ML.