For chemists, researchers, and procurement specialists in the chemical industry, a thorough understanding of key intermediates is vital for successful project execution and product development. 2,2'-Dithiodianiline, also known by its CAS number 1141-88-4, is one such compound that offers significant utility across various chemical applications. This article aims to provide chemical professionals with a comprehensive overview of its properties, uses, and what to consider when looking to buy this essential chemical.

Key Chemical and Physical Properties

2,2'-Dithiodianiline, with the molecular formula C12H12N2S2 and a molecular weight of approximately 248.37 g/mol, typically presents as a crystalline powder. Its color can range from light yellow to amber, and in some cases, darker shades like dark green may be observed depending on purity and preparation. The melting point is generally in the range of 88-92°C, and it exhibits solubility in common organic solvents such as ethanol and methanol. These properties are crucial for chemists when designing reaction conditions, purification protocols, and formulation strategies. For those needing to purchase this chemical, understanding these physical attributes ensures optimal utilization.

Versatile Applications in Industry

The presence of reactive amine groups and the disulfide linkage in 2,2'-Dithiodianiline makes it a highly versatile intermediate with significant industrial applications:

  • Organic Synthesis: It serves as a fundamental building block in complex organic synthesis, enabling the creation of various heterocycles and functionalized molecules. Researchers often use it to introduce sulfur-containing moieties or amine functionalities into target compounds.
  • Pharmaceutical Intermediates: Its structural features are beneficial for the synthesis of a wide array of pharmaceutical compounds. It can be a precursor for drugs involved in various therapeutic areas.
  • Agrochemical Production: The compound is employed in the manufacturing of pesticides and other crop protection agents, contributing to their efficacy and mode of action.
  • Dye and Pigment Manufacturing: It acts as an intermediate in the production of certain dyes and pigments, where its structure influences the color and stability of the final product.

Sourcing and Quality Assurance

When looking to buy 2,2'-Dithiodianiline, chemical professionals must prioritize quality and reliability. Leading manufacturers, particularly those based in China, often offer this product with high purity, typically specified as ≥98.0% by HPLC. It is advisable to always request a Certificate of Analysis (COA) for each batch to verify purity and compliance with specifications. Understanding the supplier's production capacity, lead times, and packaging options is also essential, especially for larger industrial orders. Competitive pricing from trusted manufacturers can significantly impact project budgets.

In essence, 2,2'-Dithiodianiline (CAS 1141-88-4) is a valuable asset in the chemist's toolkit. By appreciating its properties and applications, and by ensuring a quality supply from reliable sources, chemical professionals can effectively leverage this intermediate for innovation and production.