1,1-Dimethylhydrazine (C₂H₈N₂) is a volatile and highly toxic hydrazine compound primarily used as a hypergolic rocket propellant and industrial chemical intermediate.

1,1-Dimethylhydrazine (C₂H₈N₂) – Properties, Applications, and Safety Information

Chemical Name: 1,1-Dimethylhydrazine
Chemical Formula: C₂H₈N₂
Chemical Class: Hydrazines, Nitrogen Compounds, Rocket Propellants

Physical and Chemical Properties

• Molecular Weight: 60.10 g/mol

• Boiling Point: 63 °C

• Melting Point: –57 °C

• Density: 0.79 g/cm³

• Solubility: Miscible with water, alcohol, and most organic solvents

• Reactivity: Highly reactive; undergoes exothermic reactions with oxidizers and acids

• Stability: Volatile and unstable under high temperatures; may form explosive mixtures with air

Applications

✅ Rocket propellant – Widely used as a hypergolic fuel in aerospace and defense applications
✅ Chemical intermediate – Used in synthesis of pharmaceuticals, pesticides, and rubber chemicals
✅ Gas-generating systems – Deployed in airbags and emergency systems as a nitrogen source
✅ Laboratory reagent – Employed in selective methylation reactions and research studies
✅ Polymer chemistry – Occasionally used in specialized polymer cross-linking applications

Safety Information

⚠️ Highly toxic and carcinogenic – Inhalation or ingestion may be fatal; classified as a probable human carcinogen
❗ Flammable and explosive – Vapors can ignite spontaneously upon contact with oxidizers
❗ Severe irritant – Causes burns to skin, eyes, and respiratory tract
✅ Storage – Store in explosion-proof containers under inert atmosphere, away from light, heat, and oxidizing agents
✅ PPE: Full-face respirator, flame-resistant gloves, chemical-resistant suit, fume hood required