For chemists and product developers, a thorough understanding of chemical intermediates is essential for successful synthesis and product formulation. 3-Methylphenyl Isothiocyanate, identified by its CAS number 621-30-7, is a compound of significant interest due to its unique chemical structure and reactivity, making it a valuable component in various industrial processes, particularly in pharmaceuticals and fine chemicals.

The chemical identity of 3-Methylphenyl Isothiocyanate is defined by its molecular formula, C8H7NS, and a molecular weight of 149.21 g/mol. A defining characteristic is the isothiocyanate functional group (-N=C=S), which imparts high reactivity towards nucleophiles. This makes it an excellent building block for creating more complex molecules, including thioureas, heterocycles, and other sulfur- and nitrogen-containing compounds. Its physical form is typically a white solid, with a reported melting point around 239°C and a boiling point of 243°C. These properties are important for handling, storage, and planning chemical reactions. The density of 1.103 g/mL at 25°C also provides crucial data for process engineers.

The primary application of 3-Methylphenyl Isothiocyanate lies in its use as a pharmaceutical intermediate. It serves as a crucial starting material or building block in the synthesis pathways for various drug molecules. Beyond pharmaceuticals, its reactivity also finds applications in the agrochemical industry for the development of new pesticides and herbicides, as well as in the broader fine chemical sector for specialty synthesis. Researchers and manufacturers looking to buy 3-Methylphenyl Isothiocyanate can source it with high purity, often exceeding 99.0% assay, ensuring reliable outcomes in synthesis.

When sourcing this chemical, it is important to partner with reliable manufacturers and suppliers, especially those in China who often provide competitive pricing and efficient production. Understanding the quality standards (e.g., USP, BP, EP) and packaging (e.g., 25kg drums) offered by suppliers is key to making an informed purchase decision. Exploring options for pricing and availability from different sources can help secure the best terms for your project.

In summary, 3-Methylphenyl Isothiocyanate (CAS 621-30-7) is a versatile and important chemical intermediate. Its well-defined properties and reactivity make it indispensable in pharmaceutical synthesis and other chemical industries. For companies needing to purchase this compound, engaging with knowledgeable suppliers who prioritize purity and offer competitive manufacturer pricing is essential for success.