CAS 1343-98-2 appears in our catalog under these names: Silicic acid, AR, Silicic acid hydrate , SILICIC ACID, <20 MICRON, REFINED, 99.9%, SILICIC ACID, POWDER, -80 MESH. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Sigma-Aldrich. Available pack sizes: 100g, 500g, 1KG, 25G.