2-isocyanatoethylbenzene

2-isocyanatoethylbenzene is an organic compound with the molecular formula C9H9NO and CAS number 1943-82-4. It belongs to the isocyanate family, characterized by the presence of the highly reactive -NCO functional group. With a molecular weight of 147.17 g/mol, this compound is classified as hazardous with multiple danger classifications including acute toxicity, skin corrosion, respiratory sensitization, and skin sensitization properties.

2-isocyanatoethylbenzene is typically a liquid at room temperature with characteristic properties common to aromatic isocyanates. Like other isocyanates, it likely has a sharp, pungent odor and is moisture-sensitive, reacting readily with water to form corresponding amines and carbon dioxide. The compound contains both aromatic benzene ring and reactive isocyanate group, making it highly reactive toward nucleophiles including alcohols, amines, and water.

2-isocyanatoethylbenzene is primarily used as an intermediate in chemical synthesis and polymer production. Its reactive isocyanate group makes it valuable for manufacturing polyurethanes, coatings, adhesives, and specialty polymers. It serves as a building block for creating materials with specific properties in industrial applications. The compound may also be used in research and development for synthesizing novel compounds and materials requiring isocyanate functionality.

2-isocyanatoethylbenzene requires strict safety measures due to its corrosive and sensitizing properties. Essential PPE includes chemical-resistant gloves, safety goggles, and respiratory protection to prevent inhalation. Work must be conducted in well-ventilated areas or under fume hoods. Avoid skin and eye contact completely, as the compound is highly corrosive. Personnel should be trained in isocyanate handling procedures and emergency response protocols before working with this material.

2-isocyanatoethylbenzene must be stored in tightly sealed, moisture-proof containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep away from water, alcohols, amines, and strong bases which react violently with isocyanates. Storage areas should be equipped with appropriate spill containment and emergency equipment. Containers should be properly labeled and stored according to local regulations for corrosive and toxic substances.

Immediate action is critical due to the compound's corrosive nature. For skin contact, immediately flush with copious amounts of water for at least 15 minutes while removing contaminated clothing. For eye contact, rinse immediately with clean water for at least 15 minutes. If inhaled, move to fresh air immediately. Seek immediate medical attention in all cases of exposure. Do not induce vomiting if ingested. Remove contaminated clothing and wash before reuse.

2-isocyanatoethylbenzene must be disposed of as hazardous waste through licensed waste management facilities. Never dispose of down drains or into the environment due to its toxic and environmentally harmful properties. Small quantities can be carefully neutralized with appropriate reagents under controlled conditions by trained personnel. All disposal must comply with local, national, and EU waste regulations. Containers should be properly labeled and manifested for hazardous waste collection.

2-isocyanatoethylbenzene is classified as ADR Class 8 (corrosive substances), Packing Group I, indicating high danger level during transport. It requires appropriate UN-specification packaging and proper hazard labeling including corrosive and toxic pictograms. Transportation must comply with ADR regulations for dangerous goods, including proper documentation, vehicle placarding, and driver training. Only authorized carriers with appropriate permits should handle the transport of this hazardous material.

2-isocyanatoethylbenzene is subject to comprehensive EU chemical regulations including REACH registration requirements and CLP classification obligations. It must be classified with appropriate hazard pictograms (GHS06, GHS05, GHS08, GHS09) and danger signal word. Although not currently listed as SVHC, its multiple hazard classifications require strict compliance with occupational safety regulations, environmental protection laws, and proper risk assessment procedures for industrial use.

2-isocyanatoethylbenzene is available through OYSI, a specialized European distributor of technical chemicals. As an expert supplier of industrial chemicals, OYSI provides high-quality products with proper documentation, safety data sheets, and regulatory compliance support. Their European network ensures reliable supply and technical assistance for industrial customers requiring this specialized isocyanate compound for manufacturing and research applications.