Ethane-1,2-diamine

Ethane-1,2-diamine is an organic chemical compound with the molecular formula C2H8N2 and CAS number 107-15-3. This diamine features two amino groups attached to a two-carbon chain, making it a primary aliphatic diamine. With a molecular weight of 60.1 g/mol, it serves as an important building block in chemical synthesis and industrial applications, particularly in polymer and resin production.

Ethane-1,2-diamine is a colorless liquid at room temperature with a characteristic ammonia-like odor. It is highly soluble in water and polar solvents due to its two amino groups, which can form hydrogen bonds. The compound is volatile and has basic properties, readily forming salts with acids. Its diamine structure makes it highly reactive, particularly in condensation reactions with carbonyl compounds.

Ethane-1,2-diamine is primarily used as a building block in polymer synthesis, particularly for producing polyamides, epoxy resins, and polyurethanes. It serves as a curing agent for epoxy systems and as a chelating agent in metal complexation. The compound is also utilized in the production of fungicides, fabric softeners, and as an intermediate in pharmaceutical synthesis and specialty chemical manufacturing.

Ethane-1,2-diamine requires careful handling due to its corrosive nature and sensitization potential. Always wear chemical-resistant gloves, safety goggles, and protective clothing when handling. Work in well-ventilated areas or under fume hoods to prevent inhalation. Avoid skin and eye contact as it can cause severe burns. Use appropriate respiratory protection if ventilation is inadequate, and ensure emergency eyewash stations are readily accessible.

Ethane-1,2-diamine should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and ignition sources. Keep containers upright and protected from physical damage. Store separately from acids, oxidizing agents, and incompatible materials. Maintain storage temperatures below 25°C and ensure adequate fire protection measures are in place due to its flammable nature.

Immediate action is required for any contact with ethane-1,2-diamine. For skin contact, immediately remove contaminated clothing and flush the affected area with plenty of water for at least 15 minutes. In case of eye contact, rinse immediately with water for at least 15 minutes and seek medical attention. If inhaled, move the person to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention.

Ethane-1,2-diamine disposal must comply with local and national hazardous waste regulations. The substance cannot be disposed of with regular waste due to its corrosive and toxic properties. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Small quantities may be neutralized under controlled conditions by qualified personnel, but this should only be done following appropriate safety protocols and regulatory guidelines.

Ethane-1,2-diamine is classified under ADR Class 8 (corrosive substances), Packing Group II, indicating it requires special transport conditions. Use appropriate UN-specification packaging designed for corrosive liquids. Vehicles must carry proper placarding and documentation. Drivers need ADR training and certification. Ensure packages are properly labeled with hazard pictogramms and handling instructions. Follow all ADR regulations for loading, segregation, and emergency procedures.

Ethane-1,2-diamine is subject to various European regulations including REACH registration requirements and CLP classification as a corrosive, flammable, and sensitizing substance. It requires safety data sheets and appropriate hazard labeling with GHS pictograms. The compound is not currently listed as an SVHC (Substance of Very High Concern). Industrial users must comply with occupational exposure limits and implement appropriate risk management measures.

Ethane-1,2-diamine is available through OYSI, a European distributor of specialty chemicals serving industrial customers across the region. OYSI provides technical-grade ethane-1,2-diamine with complete documentation including safety data sheets and certificates of analysis. As an established chemical distributor, OYSI ensures regulatory compliance and reliable supply chain management for industrial applications requiring this important chemical intermediate.