Hexamethylphosphoramide [680-31-9] is a technically defined substance, featuring a molecular formula of C6H18N3OP with a molecular weight of 179.20. It exhibits a Boiling Point of 232.8 °C, and a Melting Point range of 5.0 to 7.2 °C. Due to its properties, a hazard signal word of Danger has been assigned.

• CAS Number: 680-31-9
• Molecular Formula: C6H18N3OP
• Boiling Point: 232.8 °C
• Exact Mass: 179.11874920
• Melting Point: 5.0 to 7.2 °C
• GHS Signal Word: Danger
• Molecular Weight: 179.20
• Vapour Density: 6.18
• Hazard Statements:
• H340: May cause genetic defects [Danger Germ cell mutagenicity]
• H303: May be harmful if swallowed [Warning Acute toxicity, oral]