4-Heptanone, identified by its CAS number 123-19-3, is a significant organic compound widely utilized across various industries. As a di-n-propyl ketone, it presents a unique set of chemical and physical properties that make it invaluable as both a solvent and a crucial intermediate in chemical synthesis. This article provides an in-depth look at 4-Heptanone, covering its characteristics, applications, and guidance for businesses looking to purchase this versatile chemical from reputable suppliers.

Understanding the Chemical Profile of 4-Heptanone

4-Heptanone is characterized by its clear, colorless to light yellow liquid appearance. Its molecular formula is C7H14O, and it possesses a molecular weight of approximately 114.19 g/mol. Key physical properties include:

  • Boiling Point: Around 149-150 °C, indicating moderate volatility.
  • Melting Point: Approximately -33 °C, remaining liquid at typical ambient temperatures.
  • Density: Around 0.817 g/mL at 25 °C.
  • Solubility: Sparingly soluble in water (approx. 4.6 g/L at 20 ºC) but miscible with many organic solvents.
  • Odor: It possesses a characteristic fruity, cheesy, and slightly sweet aroma, making it important in sensory applications.

From a safety perspective, 4-Heptanone is classified as flammable and can be harmful if inhaled or ingested. Proper handling procedures and adherence to safety data sheets are essential when working with this compound.

Key Applications Driving Demand for 4-Heptanone

The utility of 4-Heptanone spans multiple industrial sectors, driven by its dual functionality:

  1. Chemical Intermediate: It serves as a vital building block in the synthesis of a wide range of organic compounds, including pharmaceuticals, agrochemicals, and specialty fine chemicals. Its reactive ketone group allows for diverse chemical modifications.
  2. Solvent: Its ability to dissolve various organic materials makes it a practical choice for use in industrial coatings, inks, and as a cleaner in certain manufacturing processes.
  3. Flavor and Fragrance Ingredient: The distinct sensory profile of 4-Heptanone is highly valued in the food industry as a flavoring agent, contributing notes to baked goods, confectionery, and beverages. It also finds application in the creation of perfumes and other scented products.

Where to Buy 4-Heptanone: Sourcing from Manufacturers

For businesses requiring 4-Heptanone, sourcing from reputable manufacturers and suppliers is crucial to ensure quality, consistency, and competitive pricing. When looking to buy 4-Heptanone, particularly in larger quantities, consider the following:

  • Manufacturer Reputation: Choose manufacturers with a strong commitment to quality control and product consistency.
  • Purity and Specifications: Ensure the product meets the required grade (e.g., industrial, food-grade) for your specific application. Always request a Certificate of Analysis (CoA).
  • Pricing and Bulk Orders: Obtaining quotes from multiple suppliers, especially manufacturers based in China where production is often more cost-effective, can help secure favorable pricing for bulk purchases.
  • Supply Chain Stability: Reliable delivery schedules and consistent availability are vital for uninterrupted production processes.

Conclusion

4-Heptanone (CAS 123-19-3) is a compound of significant industrial importance, offering a blend of solvent and synthetic intermediate capabilities, alongside unique flavor and fragrance properties. For procurement managers and R&D professionals, understanding its properties and applications is key to effective sourcing. By engaging with trusted manufacturers and suppliers, businesses can secure a consistent supply of high-quality 4-Heptanone at competitive prices, thereby supporting their manufacturing and product development goals.