4-[[4-[bis(oxiran-2-ylmethyl)amino]-3-ethylphenyl]methyl]-2-ethyl-N,N-bis(oxiran-2-ylmethyl)aniline

4-[[4-[bis(oxiran-2-ylmethyl)amino]-3-ethylphenyl]methyl]-2-ethyl-N,N-bis(oxiran-2-ylmethyl)aniline is a complex epoxy resin hardener with the molecular formula C29H38N2O4 and a molecular weight of 478.6 g/mol. This chemical compound contains multiple epoxide groups (oxiran rings) and aniline structures, making it a multifunctional curing agent. It is classified as a mutagenic substance (Muta. 2), skin sensitizer (Skin Sens. 1), and poses chronic aquatic toxicity (Aquatic Chronic 2).

This compound is typically a viscous liquid at room temperature due to its complex molecular structure containing multiple epoxide rings and aromatic systems. The presence of nitrogen atoms and epoxy groups influences its polarity and reactivity. As an epoxy hardener, it exhibits good chemical resistance and forms strong cross-linked networks when reacting with epoxy resins. The compound's high molecular weight (478.6 g/mol) contributes to its viscosity and handling characteristics.

This substance is primarily used as a curing agent (hardener) for epoxy resin systems in industrial applications. Its multiple epoxide groups enable excellent cross-linking properties, making it valuable for high-performance coatings, adhesives, and composite materials. It is commonly employed in aerospace, automotive, and electronics industries where superior mechanical properties, chemical resistance, and thermal stability are required. The compound is particularly useful in applications requiring long pot life and controlled curing characteristics.

Safe handling requires appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing due to its skin sensitizing properties. Work in well-ventilated areas or use local exhaust ventilation to minimize exposure. Avoid skin and eye contact, and prevent inhalation of vapors. The substance requires warning pictogrammes GHS07, GHS08, and GHS09, indicating health hazards and environmental concerns. Regular health monitoring is recommended for workers with potential exposure.

Store this epoxy hardener in tightly sealed containers in a cool, dry place away from heat sources and direct sunlight. Maintain storage temperature below 25°C to prevent premature polymerization and maintain product stability. Keep away from strong acids, bases, and oxidizing agents that could initiate unwanted reactions. Ensure containers are properly labeled and stored in areas with appropriate spill containment. Regular inventory rotation following first-in-first-out principles is recommended to maintain product quality.

Immediate action is required due to the skin sensitizing properties of this compound. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, rinse immediately with plenty of water for 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult the safety data sheet and contact poison control if necessary.

Disposal must comply with local and national hazardous waste regulations due to its mutagenic properties and aquatic toxicity classification. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Small quantities can be polymerized with appropriate epoxy resins under controlled conditions before disposal. Never discharge into sewers, waterways, or soil. Empty containers should be triple-rinsed and disposed of according to local regulations. Maintain disposal records as required by environmental authorities.

This substance is classified as ADR Class 9 (Miscellaneous Dangerous Substances), Packing Group III, indicating it presents a lower degree of danger during transport. Packages must be properly labeled with UN identification numbers and hazard labels. Use appropriate packaging that meets UN specifications for Class 9 substances. Transport vehicles should carry appropriate emergency response information and spill cleanup materials. Drivers must hold valid dangerous goods transport certification. Ensure compliance with ADR regulations for documentation and routing restrictions.

Yes, this substance is regulated under European REACH and CLP regulations due to its mutagenic and skin sensitizing properties. It requires classification with Warning signal word and specific hazard pictogrammes (GHS07, GHS08, GHS09). While not currently listed as a Substance of Very High Concern (SVHC), its Muta. 2 classification means it may be subject to authorization requirements in the future. Companies must maintain safety data sheets, conduct chemical safety assessments, and implement appropriate risk management measures.

OYSI serves as a reliable European distributor for this specialized epoxy hardener, providing technical support and regulatory compliance assistance. As a professional chemical distributor, OYSI ensures proper handling, storage, and documentation throughout the supply chain. We can supply this compound to qualified industrial customers with appropriate safety measures and technical expertise. Contact our technical sales team for availability, specifications, and application support. All shipments include comprehensive safety data sheets and regulatory documentation required for European markets.