CAS 13775-53-6 appears in our catalog under these names: Cryolite, Sodium hexafluoroaluminate/ 99.98%, Sodium hexafluoroaluminate, 99.4% (metals basis) , Sodium hexafluoroaluminate, 99.9% (metals basis) , Sodium hexafluoroaluminate, 97.8+% . Offered by: Chemat Brand, Chemat, Thermo Scientific (Alfa Aesar), Ambeed, Sigma-Aldrich. Available pack sizes: on request, 10g, 50g, 250g, 25g, 100g, 500g, 1000g.