CAS 19597-69-4 appears in our catalog under these names: Lithium azide solution, Lithium azide, pure, 20% solution in water, LITHIUM AZIDE, 20 WT. % SOLUTION IN WAT&. Offered by: GLPBio, Thermo Scientific (Acros), Sigma-Aldrich. Available pack sizes: 25g, 5g, 100g.