CAS 7758-09-0 appears in our catalog under these names: Potassium nitrite, ACS, 96.0% min , Potassium nitrite, 97% , Potassium nitrite, 96.00%, Potassium nitrite, 96+%, ACS reagent, Potassium nitrite, 97%, extra pure. Offered by: Thermo Scientific (Alfa Aesar), Chemat, Thermo Scientific (Acros), Chempur, Sigma-Aldrich. Available pack sizes: 10g, 100g, 500g, 2.5KG, 5g, 1KG, 5KG, 250g.