Isobutyl Mercaptan, scientifically known as 2-Methyl-1-propanethiol, is a chemical compound of significant interest in various industrial sectors, primarily due to its unique chemical properties and its role as a versatile intermediate. This comprehensive overview aims to provide researchers, chemists, and procurement specialists with detailed information regarding its characteristics, applications, and sourcing.

Chemical Identity and Properties

Isobutyl Mercaptan possesses the molecular formula C4H10S and is readily identified by its CAS Registry Number: 513-44-0. Its chemical structure features a thiol group (-SH) attached to an isobutyl carbon chain. The compound is typically described as a colorless to pale yellow liquid, possessing a characteristically strong, pungent odor. Key physical and chemical properties include:

  • Assay: ≥98.0%
  • Density: 0.831
  • Melting Point: -145°C
  • Boiling Point: 87-89°C
  • Flash Point: 15°F
  • Refractive Index: 1.4385

These specifications are vital for understanding its behavior in various chemical processes and for ensuring product quality when you buy Isobutyl Mercaptan.

Applications in Industry

The utility of Isobutyl Mercaptan spans several critical industrial areas:

  • Organic Synthesis Intermediate: Its reactive thiol group makes it an invaluable building block in the synthesis of a wide range of organic molecules. Chemists utilize it for creating pharmaceuticals, agrochemicals, and other fine chemicals where sulfur functionalization is key.
  • Odorant for Safety: Due to its potent and distinctive smell, Isobutyl Mercaptan is commonly added to odorless gases like natural gas and LPG. This serves as a crucial safety measure, enabling the immediate detection of leaks through smell.
  • Flavor and Fragrance Component: In controlled, trace amounts, mercaptans can contribute specific notes to flavors and fragrances, requiring precise application and careful formulation.

For procurement managers, understanding these applications helps in specifying the required purity and volume when sourcing Isobutyl Mercaptan.

Sourcing and Procurement Best Practices

When seeking to purchase Isobutyl Mercaptan, it is essential to partner with reputable manufacturers and suppliers. NINGBO INNO PHARMCHEM CO.,LTD. offers this vital chemical, typically packaged in 200 kg drums, with a strong emphasis on quality and supply reliability. Key considerations for procurement include verifying the assay (≥98.0%), understanding the supplier's manufacturing processes, and obtaining competitive pricing, especially for bulk orders. Requesting a quote and reviewing the Certificate of Analysis will ensure you receive a product that meets your specific needs.

Handling and Storage Recommendations

Given its strong odor and flammability, Isobutyl Mercaptan requires careful handling and storage. It should be stored in a cool, well-ventilated place, away from ignition sources. Appropriate personal protective equipment (PPE) should always be used when handling this chemical.

In conclusion, Isobutyl Mercaptan is a chemical compound with significant industrial importance. Its detailed chemical properties and diverse applications make it a key component for many manufacturing and research endeavors. Reliable sourcing from experienced suppliers like NINGBO INNO PHARMCHEM CO.,LTD. ensures access to this essential intermediate.