CAS 1313-82-2 appears in our catalog under these names: Sodium sulfide, anhydrous , Sodium sulfide, 90+%, pure, SODIUM SULFIDE. Offered by: Thermo Scientific (Alfa Aesar), Thermo Scientific (Acros), Sigma-Aldrich. Available pack sizes: 5g, 25g, 100g, 10g, 50g, 250g.