Antimony (Metal) Powder (99%) is a gray to silvery metallic powder with a molecular weight of ~121.76 g/mol. It has a high melting point around 630°C and no boiling point under normal conditions. Form: Solid / Powder; Uses: alloys, flame retardants, semiconductors, pigments, batteries, and laboratory applications. Available Quantities: 500 g, 5 kg, 25 kg (custom bulk packing available)