Di-Sodium Hydrogen Phosphate Heptahydrate is commonly employed in research and production environments as a versatile chemical compound. Its molecular formula is Na2HPO4, with a molecular weight of 141.959 g/mol. This compound undergoes a phase transition at 92.5 °C, losing water molecules while maintaining a specific gravity of 2.066 at 15 °C. A Warning label should be applied due to potential eye irritation. It serves various purposes in numerous applications within the chemical industry.

• CAS Number: 7782-85-6
• Melting Point: MP: loses H2O at 92.5 °C; Specific gravity: 2.066 at 15 °C /Disodium phosphate dihydrate/
• Molecular Weight: 141.959
• GHS Signal Word: Warning
• Molecular Formula: Na2HPO4
• Exact Mass: 141.94078407
• Hazard Statements:
• H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]