2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile

2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile is a chlorinated aromatic compound with the molecular formula C8Cl4N2 and CAS number 1897-45-6. This chemical features a benzene ring substituted with four chlorine atoms and two nitrile groups, giving it a molecular weight of 265.9 g/mol. It is classified as a hazardous substance with multiple safety concerns including carcinogenic potential and acute toxicity.

2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile is a solid crystalline compound at room temperature with high chlorine content making it relatively stable but potentially persistent. Due to its multiple chlorine substituents and aromatic structure, it exhibits low water solubility and high lipophilicity. The compound's physical properties are influenced by strong intermolecular interactions from both the halogen atoms and nitrile groups.

2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile is primarily used as a chemical intermediate in pharmaceutical and agrochemical synthesis. Its unique substitution pattern makes it valuable for producing specialized organic compounds where both electron-withdrawing nitrile groups and chlorine atoms are required. The compound serves as a building block in research applications and custom chemical manufacturing, particularly in developing new active ingredients for various industrial applications.

2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile requires strict safety protocols due to its Acute Toxicity 2 and Carcinogenic 2 classifications. Essential protective equipment includes chemical-resistant gloves, safety goggles, and respiratory protection in well-ventilated areas. Avoid skin contact and inhalation, as the compound is also a skin sensitizer and can cause serious eye damage. Work in fume hoods and ensure proper emergency procedures are established before handling.

2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile must be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Due to its hazardous classification, storage requires secure facilities with restricted access and appropriate labeling. Keep containers upright and inspect regularly for damage. Store separately from strong bases, reducing agents, and food products to prevent contamination and unwanted reactions.

Immediate action is required for any contact with 2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile due to its acute toxicity. For skin contact, immediately remove contaminated clothing and wash thoroughly with soap and water for at least 15 minutes. Eye contact requires immediate flushing with clean water for 15 minutes and urgent medical attention due to its Eye Damage 1 classification. If inhaled, move to fresh air immediately and seek medical care. Always contact poison control or emergency services.

2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile requires disposal as hazardous waste through licensed waste management companies due to its multiple hazard classifications including aquatic toxicity. The compound cannot be disposed of in regular waste streams and must be handled according to local and European waste regulations. Incineration at high temperatures in authorized facilities is typically required. Contact certified waste disposal services and maintain proper documentation throughout the disposal process.

2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile is classified as ADR Class 6.1 (toxic substances) Packing Group II, requiring specific transport regulations. Packages must bear proper hazard labels including GHS pictograms (GHS08, GHS06, GHS05, GHS09) and shipping names. Only certified carriers can transport this material, using appropriate packaging that meets UN specifications. Transport documents must include emergency response information and proper shipping declarations according to international dangerous goods regulations.

2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile is subject to multiple European regulations including REACH registration requirements and CLP classification as a Category 2 carcinogen. The compound requires safety data sheets, hazard communication, and worker protection measures under occupational health regulations. While not currently listed as a SVHC, its carcinogenic classification means it may face future regulatory restrictions. Users must comply with national chemical safety laws and industry-specific guidelines for handling carcinogenic substances.

2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile is available through OYSI, a specialized European distributor of technical chemicals. As a professional chemical supplier, OYSI provides this compound with proper documentation, safety data sheets, and regulatory compliance for industrial and research applications. Due to the hazardous nature of this substance, purchases typically require verification of proper handling capabilities and intended use documentation from qualified buyers.