Sodium Selenite Pentahydrate 50% W/V Aqueous Solution [26970-82-1] is a documented reagent, characterized by the molecular formula H10Na2O8Se and a molecular weight of 263.03. This compound belongs to the class of sodium selenites, which are inorganic compounds containing selenium. It carries a Warning signal word due to its acute toxicity when ingested and potential for causing serious eye irritation. Additionally, it exhibits an exact mass of 263.93363.

• CAS Number: 26970-82-1
• GHS Signal Word: Warning
• Molecular Formula: H10Na2O8Se
• Exact Mass: 263.93363
• Molecular Weight: 263.03
• Hazard Statements:
• H300: Fatal if swallowed [Danger Acute toxicity, oral]
• H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]