1,6-diisocyanatohexane

1,6-diisocyanatohexane is an aliphatic diisocyanate compound with the molecular formula C8H12N2O2 and CAS number 822-06-0. This chemical belongs to the isocyanate family and has a molecular weight of 168.19 g/mol. It is classified as a hazardous substance with multiple health risks including acute toxicity, respiratory and skin sensitization, and irritation properties. The compound requires careful handling due to its dangerous classification and GHS06 and GHS08 pictograms indicating poison and health hazard warnings respectively.

1,6-diisocyanatohexane is typically a colorless to pale yellow liquid at room temperature with a characteristic pungent odor. The compound has a molecular weight of 168.19 g/mol and contains two reactive isocyanate groups (-NCO) that make it highly reactive with compounds containing active hydrogen atoms like water, alcohols, and amines. It has limited solubility in water but dissolves well in organic solvents. The compound is moisture-sensitive and can react vigorously with water, producing carbon dioxide and corresponding amines.

1,6-diisocyanatohexane is primarily used as a building block in polyurethane production, serving as a crosslinking agent for creating flexible and rigid polyurethane foams, elastomers, and coatings. It finds applications in the manufacture of adhesives, sealants, and specialty polymers where its aliphatic structure provides excellent UV resistance and color stability. The compound is also utilized in the production of polyurethane prepolymers and in surface coating formulations for automotive, construction, and industrial applications requiring durable, weather-resistant finishes.

1,6-diisocyanatohexane requires strict safety protocols including wearing appropriate respiratory protection (supplied air or appropriate gas mask), chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume extraction systems to prevent inhalation exposure. Avoid skin and eye contact completely, as the substance can cause sensitization and irritation. Personnel handling this chemical should be trained in isocyanate safety procedures and emergency response. Regular health surveillance is recommended for workers with potential exposure to this respiratory sensitizer.

1,6-diisocyanatohexane must be stored in tightly sealed original containers in a cool, dry, well-ventilated area away from moisture, heat sources, and incompatible materials. Keep containers away from water, alcohols, amines, and strong bases which can react violently with isocyanates. Storage areas should be equipped with appropriate spill containment and emergency equipment. Maintain storage temperatures as recommended by the manufacturer and ensure containers are properly labeled. Regular inspection of containers for damage or leaks is essential to prevent accidental exposure or environmental contamination.

Skin contact with 1,6-diisocyanatohexane requires immediate removal of contaminated clothing and thorough washing with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15-20 minutes and seek medical attention. If inhaled, move the person to fresh air immediately and seek medical help if breathing difficulties occur. In case of ingestion, do not induce vomiting and seek immediate medical attention. Always consult a physician in any exposure case, especially due to the compound's sensitization potential and acute toxicity classification.

1,6-diisocyanatohexane disposal must comply with local and national hazardous waste regulations as it is classified as dangerous waste. The substance should be collected in appropriate containers and disposed of through licensed hazardous waste disposal facilities equipped to handle isocyanate compounds. Never dispose of this chemical down drains, in regular waste, or release to the environment. Small quantities can be carefully neutralized by reaction with suitable polyols under controlled conditions by trained personnel, but this should only be done following proper protocols and local regulations.

1,6-diisocyanatohexane is classified under ADR as Class 6.1 (Toxic substances), Packing Group II, indicating moderate toxicity requiring specific transport precautions. Packages must be properly labeled with appropriate hazard labels and meet UN packaging requirements for this classification. Transport vehicles must carry appropriate emergency equipment and documentation. Drivers need ADR certification for carrying toxic substances. The shipment must comply with quantity limitations and segregation requirements from incompatible materials during transport. Proper emergency response information must accompany the shipment at all times.

1,6-diisocyanatohexane is subject to REACH regulation requiring registration and compliance with safety data sheet provisions throughout the EU. Under CLP regulation, it must be classified and labeled according to its hazard profile including respiratory sensitization and acute toxicity warnings. The substance is not currently listed as an SVHC (Substance of Very High Concern). Users must implement appropriate risk management measures and may be subject to workplace exposure limits. Industrial users should verify compliance with local occupational health regulations and any sector-specific restrictions that may apply.

1,6-diisocyanatohexane is available through OYSI, a specialized European distributor of industrial chemicals offering reliable supply chains across European markets. OYSI provides comprehensive technical support, proper documentation including safety data sheets, and ensures regulatory compliance for chemical distribution. As a professional chemical supplier, OYSI can assist with quantity requirements, packaging options, and delivery logistics while maintaining the strict safety and regulatory standards required for hazardous chemical distribution. Contact OYSI directly for availability, technical specifications, and regulatory documentation for your specific application requirements.