Hydrazine

Hydrazine is a highly reactive inorganic compound with the molecular formula H4N2 and CAS number 302-01-2. This colorless liquid serves as a powerful reducing agent and rocket fuel component. With a molecular weight of 32.046 g/mol, hydrazine is classified as a carcinogen (Category 1B) and corrosive substance, requiring extreme caution in handling due to its toxic and flammable properties.

Hydrazine is a colorless, oily liquid with an ammonia-like odor at room temperature. It is highly soluble in water and miscible with alcohols. The compound has a boiling point of 113.5°C and a melting point of 2°C. Hydrazine is hygroscopic, meaning it readily absorbs moisture from air, and exhibits strong basic properties with corrosive characteristics toward metals and organic materials.

Hydrazine is primarily used as rocket fuel and satellite propellant due to its high energy density. Industrial applications include use as a reducing agent in metal processing, an oxygen scavenger in boiler water treatment, and a blowing agent for foam rubber production. It also serves as an intermediate in pharmaceutical synthesis and agricultural chemical manufacturing, particularly for pesticides and fungicides.

Hydrazine requires strict safety protocols including full-face respirators, chemical-resistant gloves, and complete body protection suits. Work must be conducted in well-ventilated areas or fume hoods to prevent inhalation exposure. Avoid contact with skin, eyes, and clothing. Use explosion-proof equipment due to flammability risks. Emergency shower and eyewash stations must be readily accessible, and personnel should be trained in emergency response procedures.

Hydrazine must be stored in tightly sealed containers made of stainless steel or compatible materials in cool, dry, well-ventilated areas away from heat sources and ignition points. Keep separate from oxidizing agents, acids, and metals like copper or brass. Storage areas should be equipped with appropriate fire suppression systems and spill containment measures. Temperature should be maintained below 25°C to prevent decomposition.

Hydrazine exposure requires immediate action: for skin contact, remove contaminated clothing and flush with copious amounts of water for at least 15 minutes. In case of eye contact, rinse immediately with water for 15-20 minutes and seek medical attention. If inhaled, move to fresh air immediately and provide oxygen if breathing is difficult. For ingestion, do not induce vomiting and seek immediate medical care.

Hydrazine disposal must comply with local and European waste regulations as hazardous chemical waste. The substance cannot be discharged into sewers or waterways due to its toxic and carcinogenic properties. Disposal should be performed by licensed hazardous waste contractors through controlled incineration at high temperatures or chemical neutralization processes. Contact local environmental authorities for specific disposal requirements and approved facilities.

Hydrazine is classified under ADR Class 8 (Corrosive substances), Packing Group I, indicating maximum danger level. Transport requires specialized packaging meeting UN specifications, proper labeling with GHS pictograms (GHS02, GHS08, GHS06, GHS05, GHS09), and documentation including safety data sheets. Only authorized carriers with hazardous materials certification can transport hydrazine, following strict routing and emergency response protocols.

Hydrazine is subject to extensive European regulations under REACH and CLP classifications. As a Category 1B carcinogen, it requires authorization for specific uses and comprehensive risk assessments. The substance faces restrictions under various industrial chemical directives and requires special licensing for purchase and use. Employers must implement strict occupational exposure limits and health surveillance programs for workers handling hydrazine.

Hydrazine is available through OYSI, a trusted European distributor of technical chemicals, serving industrial customers across Europe. As a controlled substance requiring special permits and documentation, OYSI ensures compliance with all regulatory requirements and provides proper safety data sheets and handling guidance. Contact OYSI's technical team to discuss specific requirements, quantities, and regulatory compliance for your hydrazine procurement needs.