1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene

1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene is an aromatic diisocyanate compound with the molecular formula C15H10N2O2 and CAS number 101-68-8. This chemical has a molecular weight of 250.25 g/mol and contains two reactive isocyanate functional groups. It is classified as a hazardous substance with multiple health concerns including carcinogenic potential, respiratory sensitization, and acute toxicity. The compound is widely used in industrial applications for polymer synthesis and chemical manufacturing processes.

1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene is typically a solid or viscous liquid at room temperature with a characteristic sharp odor. The compound has limited solubility in water due to its aromatic structure but dissolves well in organic solvents. Its isocyanate groups make it highly reactive with compounds containing active hydrogen atoms, particularly water, alcohols, and amines. The substance may darken upon exposure to light and moisture due to polymerization reactions.

1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene is primarily used as a building block in polyurethane synthesis and polymer chemistry. It serves as a cross-linking agent in the production of elastomers, coatings, adhesives, and rigid foams. The compound is also utilized in specialty chemical manufacturing, particularly in creating high-performance materials with enhanced mechanical properties. Industrial applications include automotive components, construction materials, and specialized coatings requiring durability and chemical resistance.

1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene requires strict safety measures including respiratory protection with appropriate filters, chemical-resistant gloves, and protective clothing. Work must be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Eye protection is mandatory due to irritation potential. Avoid skin contact and ensure emergency shower facilities are available. Personnel should be trained in isocyanate handling procedures and health monitoring programs should be implemented for regular exposure situations.

1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene must be stored in tightly sealed containers in a cool, dry environment away from moisture and heat sources. The storage area should be well-ventilated and separated from incompatible materials such as water, alcohols, amines, and strong bases. Containers should be protected from light and temperature fluctuations. Regular inspection for container integrity is essential as the compound can react with moisture to form solid deposits that may compromise container seals.

Immediate action is required for any contact with 1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene. For skin contact, remove contaminated clothing and wash affected areas thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15-20 minutes. If inhaled, move the person to fresh air immediately. Seek medical attention promptly for all exposure routes, especially respiratory exposure due to sensitization potential. Never induce vomiting if ingested.

1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene must be disposed of as hazardous waste through authorized waste management companies. The substance cannot be discharged into sewers or waterways due to its toxic and reactive properties. Small quantities can be neutralized with appropriate alcohols under controlled conditions by trained personnel. All disposal activities must comply with local and national environmental regulations. Containers should be properly labeled and segregated from other waste streams before collection by licensed hazardous waste contractors.

1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene transportation must comply with ADR/RID regulations for hazardous goods. The substance requires appropriate UN specification packaging designed for toxic chemicals, with proper labeling including hazard pictograms GHS07 and GHS08. Transport vehicles must carry emergency response information and appropriate spill control materials. Drivers need hazardous goods training certification. Temperature control may be necessary to prevent degradation during transport, and the substance should be segregated from incompatible materials.

1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene is subject to comprehensive EU chemical regulations including REACH registration requirements and CLP classification obligations. The substance carries mandatory hazard classifications including Carcinogen Category 2, Respiratory Sensitizer Category 1, and multiple other hazard classes. While not currently listed as SVHC, it requires safety data sheets, worker health surveillance, and specialized handling procedures. Industrial users must implement risk management measures and may need authorization for certain uses under evolving regulatory frameworks.

1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene is available through OYSI, a specialized European distributor of technical chemicals with expertise in hazardous substances. OYSI provides comprehensive regulatory documentation, safety data sheets, and technical support for proper handling and application guidance. As a professional chemical distributor, OYSI ensures compliance with EU regulations including REACH registration and proper hazard classification. Contact OYSI directly for availability, technical specifications, and regulatory compliance documentation specific to your application requirements.