Ammonium Peroxodisulfate Extra Pure is a technically defined substance, featuring a molecular formula of H8N2O8S2 and a molecular weight of 228.21. It decomposes at 120 °C.

• CAS Number: 7727-54-0
• Molecular Weight: 228.21
• Exact Mass: 227.97220756
• Vapour Density: 1.98 at 68 °F
• GHS Signal Word: Danger
• Melting Point: Decomposes at 120 °C
• Molecular Formula: H8N2O8S2
• Hazard Statements:
• H272: May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]
• H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
• H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]