CAS 39365-88-3 appears in our catalog under these names: Sulfurated potash, 95%, Potash, sulfurated, S 11.8% min as sulfide , POTASH, SULFURATED, Potassium polysulphide, min. 44 %, extra pure, 1 kg, plastic, Potassium polysulphide, min. 44 %, extra pure, 500 g, plastic. Offered by: Combi-blocks, Thermo Scientific (Alfa Aesar), Sigma-Aldrich, Roth. Available pack sizes: 100g, 500g, 1kg, 2,5kg.