2,2',5,5'-Tetrachlorobenzidine (TCB), known by its CAS number 15721-02-5, is a chemical compound with specific physical and chemical properties that dictate its use and handling in the chemical industry. NINGBO INNO PHARMCHEM CO.,LTD. provides this essential intermediate with detailed specifications to ensure proper application.

Physically, TCB typically appears as a light yellow powder. Its melting point is reported to be in the range of 135-140 °C. This solid form is convenient for storage and transport, adhering to standard chemical handling procedures. The molecular formula of TCB is C12H8Cl4N2, and it has a molecular weight of approximately 322.02 g/mol. These fundamental properties are critical for chemists and engineers when designing reactions or processes involving TCB.

Chemically, TCB is a derivative of benzidine, featuring four chlorine atoms substituted at specific positions on the biphenyl rings. This chlorination pattern influences its reactivity and stability. While it is primarily utilized as an intermediate in the synthesis of dyes and pigments, its chemical nature also necessitates careful consideration of its safety profile. Research and regulatory bodies have classified TCB as a suspected carcinogen. This classification underscores the importance of stringent safety measures in manufacturing, handling, and storage environments.

NINGBO INNO PHARMCHEM CO.,LTD. is committed to responsible chemical supply. We ensure that our customers are informed about the potential hazards associated with TCB and provide guidance on safe handling practices. This includes the use of appropriate personal protective equipment (PPE), engineering controls such as fume hoods, and proper waste disposal methods. Adherence to these guidelines is crucial for worker safety and environmental protection in industrial chemical safety protocols.

The detailed understanding of TCB's properties, from its physical appearance to its reactivity and safety classification, is essential for its effective and safe use in various industrial processes. By providing high-quality TCB and comprehensive safety information, NINGBO INNO PHARMCHEM CO.,LTD. supports the continued innovation and responsible production within the chemical sector.