In the vast landscape of organic chemistry, certain molecules stand out for their versatility and importance as building blocks for more complex compounds. 4-Chloro-1,3-benzenediamine (CAS 5131-60-2) is one such fundamental intermediate. With its specific arrangement of functional groups – two amine groups and a chlorine atom on a benzene ring – it offers unique reactivity profiles highly valued in chemical synthesis. This article delves into the chemical properties of this compound and highlights its critical role for R&D scientists and formulators looking to buy 4-chloro-1,3-benzenediamine.

Chemical Profile and Properties

4-Chloro-1,3-benzenediamine, also known by synonyms like 2,4-Diaminochlorobenzene or 4-Chlorobenzene-1,3-diamine, possesses the molecular formula C6H7ClN2 and a molecular weight of 142.59. Its structure, featuring amine groups at positions 1 and 3 and a chlorine atom at position 4, dictates its reactivity. The amine groups can readily undergo reactions like diazotization, acylation, and alkylation, while the aromatic ring can participate in electrophilic substitution reactions. Its physical state is typically a grey crystalline powder, with a melting point around 87-90°C. These properties make it a stable yet reactive intermediate.

Applications in Synthesis

While its most prominent application is as a key component in hair dye formulations, where it acts as a coupler to produce specific color shades, its utility extends much further. As a vital chemical intermediate, it serves as a precursor in the synthesis of:

  • Pigments and Dyes: The reactive amine groups can be incorporated into larger dye molecules to create specific colors and properties for textiles, inks, and coatings.
  • Pharmaceutical Intermediates: Its structure can be a starting point for synthesizing more complex pharmaceutical compounds.
  • Agrochemicals: Certain pesticide or herbicide molecules may utilize derivatives of this diamine.
  • Polymers and Materials: It can function as a monomer or crosslinking agent in the production of specialized polymers and resins, contributing unique properties.

For R&D scientists, having reliable access to high-purity CAS 5131-60-2 is essential for exploring these synthesis pathways. Partnering with a quality supplier ensures that the material's consistent purity (≥99.0%) supports reproducible experimental results.

Procurement Insights

When seeking to purchase 4-chloro-1,3-benzenediamine, it is advisable to engage directly with a reputable manufacturer. This often provides the best balance of quality, cost, and supply chain reliability. Obtaining a detailed product specification and CoA from the supplier is critical. Requesting a quote will allow for comparison of pricing for bulk quantities, which is common for intermediate chemicals used in industrial processes.

In conclusion, 4-Chloro-1,3-benzenediamine is a cornerstone intermediate in organic synthesis. Its well-defined chemical properties and reactive functional groups make it indispensable for a wide range of applications. By securing a high-quality supply from trusted manufacturers, researchers and manufacturers can effectively leverage this compound for innovation and production.