Usage: Antimony Pentoxide can be used as chemical fiber fabrics, plastics, paper, rubber and copper clad laminates of high-perfo English Name: Antimony trioxide; Antimony whiteAlso Known As: Antimony TrioxideMolecular Formula: Sb2O3Molecular Weight: 291.50Physicochemical Properties: Antimony trioxide white or grey orthorhombic system or cubic system powder; turns into yellow after heated and ...