Synonyms: Molybdic acid sodium salt dihydrate CAS: 10102-40-6 Molecular Formula: Na2MoO4 · 2H2O Molecular Weight: 241.95 g/mol Test Specification Assay 99.50% min. Insoluble Matter 0.01% max. pH of 5% solution 7.0 - 10.5 Chloride (Cl) 0.05% max. Phosphate (PO4) 0.03% max. Sulfate (SO4) 0.05% max. Heavy Metals 0.01% max. Iron (Fe) 0.003% max. Loss on ignition 15.34% max. Mo 39.5% min.