Synonyms: Epsom salts Grade: AR Grade Purity Limit: ≥ 99.5% (Assay) CAS No.: 10034-99-8 Molecular Formula: MgSO4·7H2O Molecular Weight: 246.5 MDL No.: MFCD00149785 Appearance: White crystals Comments: Used in preparation of magnesium standard solutions Density: 1.67 …