Potassium Nitrate by bioPLUS $223.89 5 kg - $223.89 1 kg - $73.92 2.5 kg - $127.48 500 g - $41.78 5 kg 1 kg 2.5 kg 500 g Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Specifications Documents Technical Specifications Synonyms: Potassium Nitrate CAS#: 7757-79-1 Molecular Weight: 101.1 Molecular Formula: KNO3 Shelf Life: 4 years Ship Temperature: RT Storage Temperature: RT Hazmat Shipping: Hazmat shipping fee applies. Composition Technical Documentation Safety Data Sheet (SDS) Certificates of Analysis (COA)