60-34-4

  • English Name: Methylhydrazine
  • CAS Number: 60-34-4
  • Molecular Formula: CH₆N₂
  • Molecular Weight: 46.07 g/mol

Physical Properties

  • Appearance: Colorless to pale yellow liquid.
  • Melting Point: -21°C.
  • Boiling Point: 88-90°C.
  • Density: 0.875 g/mL at 20°C.
  • Odor: Ammonia-like.
  • Solubility: Soluble in water, alcohol, and ether.
  • Vapor Pressure: 37.5 mm Hg at 20°C.

Chemical Properties

  • Basicity: Forms basic solutions with water.
  • Reactivity: Highly flammable; ignites spontaneously in contact with strong oxidizing agents.
  • Stability: Stable but highly flammable; incompatible with strong oxidizers, copper, iron, and their alloys.

Uses

  • Rocket Fuel: Used as a propellant in liquid propellant rockets.
  • Solvent: Used as a solvent in chemical synthesis.
  • Chemical Intermediate: Used in the synthesis of pharmaceuticals and other organic compounds.

Safety Information

  • Toxicity: Toxic by inhalation and ingestion; suspected human carcinogen.
  • Health Hazards: Causes irritation to eyes, skin, and mucous membranes; may cause convulsions and death at high doses.
  • Flammability: Highly flammable; forms explosive mixtures with air.
  • Risk Phrases: R11 (Highly flammable), R23/24/25 (Toxic by inhalation, skin contact, and ingestion), R45 (May cause cancer).
  • Safety Phrases: S16 (Keep away from sources of ignition), S26 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice).

Handling and Storage

  • Store in a cool, well-ventilated area, away from sources of ignition and oxidizers.
  • Use explosion-proof equipment and avoid contact with porous materials (e.g., wood, cloth) and strong oxidizers.

First Aid Measures

  • Skin Contact: Wash with soap and water. Seek medical attention if irritation persists.
  • Eye Contact: Rinse with plenty of water for at least 15 minutes. Seek medical attention.
  • Inhalation: Move to fresh air. If breathing is difficult, provide oxygen and seek medical attention.
  • Ingestion: Do not induce vomiting. Seek medical attention immediately.

Packing and shipping