Home › Chemicals › Hydrazine CAS 302-01-2: Hydrazine (N2H4) Identity CAS Number 302-01-2 Molecular Formula N2H4 IUPAC Name diazane Molecular Weight 32.05 g/mol SMILES NNSynonyms hydrazine, diamide, diamine, hydrazine base
2D Structure
Physical Properties Density 1.021 g/mL at 25°C Boiling Point 114.0°C Melting Point 2.0°C Flash Point 38.0°C Vapor Pressure 1.9 kPa at 20°C Refractive Index nD = 1.47 Dielectric Constant ε = 52.9
Safety & GHS Classification Flammable GHS05 GHS06 Health Hazard GHS09
H226: Flammable liquid and vapor H301: Toxic if swallowed H311: Toxic in contact with skin H314: Causes severe skin burns and eye damage H331: Toxic if inhaled H350: May cause cancer H410: Very toxic to aquatic life with long lasting effects Storage: Store in cool, well-ventilated area. Highly toxic and corrosive. Keep away from heat, sparks, and open flames. Store away from all oxidizers, metals, and acids. Use in fume hood with full PPE including face shield. Store in dedicated hazardous materials cabinet.
Material Compatibility Matrix Plastics Material Rating PTFE Excellent PVC Good PE Excellent PP Excellent PEEK Excellent PVDF Excellent
Rubbers Material Rating Viton Fair NBR Poor EPDM Good Silicone Fair FKM Fair
Metals Material Rating Stainless 316 Excellent Aluminum Good Copper Severe Effect Brass Severe Effect
Applications Rocket propellant fuel (monopropellant) Water treatment oxygen scavenger (boiler feed) Chemical blowing agent for foamed plastics Polymerization catalyst Pharmaceutical intermediate (hydrazine derivatives) Solder flux component Nuclear fuel reprocessing Pesticide intermediate External References: PubChem
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