CAS 7440-22-4 appears in our catalog under these names: Silver powder, APS 4-7 micron, 99.9% (metals basis) , Silver flake, APS 4-8 micron, 99.9% (metals basis) , Silver wire, 0.127mm (0.005in) dia, annealed, 99.9% (metals , Silver wire, 0.025mm (0.001in) dia, hard, 99.9% (metals basi, Silver foil, 0.075mm (0.003in) thick, hard, 99.95% (metals b. Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 10g, 50g, 250g, 100m, 5m, 25m, 150x150mm, 25g.