4-Cyanophenyl Isothiocyanate (CAS 2719-32-6) is a chemical compound recognized for its utility as a pharmaceutical intermediate and in various organic synthesis applications. For professionals in chemical procurement and R&D, understanding its key specifications and typical applications is vital for successful sourcing and utilization. This compound, with its unique functional groups, offers significant versatility in chemical reactions.

The primary specifications for 4-Cyanophenyl Isothiocyanate typically include its CAS number (2719-32-6), molecular formula (C8H4N2S), and molecular weight (approximately 160.19 g/mol). It is commonly supplied with a purity assay of 99% or higher, ensuring its suitability for demanding chemical processes. The physical appearance is usually a solid, with a melting point range of 119-123 °C. These characteristics are critical for quality control and application suitability.

The principal application for 4-Cyanophenyl Isothiocyanate lies in its role as a pharmaceutical intermediate. It serves as a crucial building block in the synthesis pathways of various drugs and active pharmaceutical ingredients (APIs). Beyond pharmaceuticals, its reactive nature makes it valuable in broader organic chemistry research and the development of specialty chemicals. The presence of both the cyano group and the isothiocyanate group allows for a wide array of chemical transformations.

When procuring this chemical, it is advisable to consult with manufacturers and suppliers, particularly those based in China, who can provide detailed product specifications and technical data. Companies specializing in chemical intermediates often offer flexible packaging solutions, such as 25kg drums or bags, and can assist with sample requests for R&D purposes. Ensuring a consistent supply of high-purity 4-Cyanophenyl Isothiocyanate from a reliable source is fundamental for the efficient progression of chemical synthesis projects.