In the intricate world of chemical synthesis, specific compounds serve as indispensable building blocks for a multitude of applications. One such compound is Benzeneacetaldehyde, alpha-(3-methylbutylidene)-, identified by its CAS number 21834-92-4. This fine chemical intermediate is recognized for its utility across several key industries, underscoring the importance of understanding its properties and sourcing reliably.

Benzeneacetaldehyde, alpha-(3-methylbutylidene)-, with the molecular formula C13H16O and a molecular weight of 188.27, is often found with a purity of ≥99%. Its chemical structure, featuring both an aromatic ring and an aldehyde group adjacent to an alpha-substituted alkylidene, confers specific reactivity and properties. Its common synonyms include 5-methyl-2-phenyl-2-hexenal and Cocal, which are often encountered in industry literature and product listings.

The appearance of this compound can vary, but it is frequently described as a white powder or a pale yellow liquid, depending on its exact form and purity. Its boiling point is approximately 310.8 °C at standard atmospheric pressure, and its flash point is around 123.8 °C, indicating moderate flammability. These physical and chemical properties are essential for chemists and engineers when designing synthesis routes and handling protocols.

The primary applications of Benzeneacetaldehyde, alpha-(3-methylbutylidene)- lie in its role as an intermediate. In the pharmaceutical industry, it serves as a precursor in the synthesis of Active Pharmaceutical Ingredients (APIs). Its specific structural features allow for precise chemical modifications to create complex drug molecules. For researchers looking to buy pharmaceutical intermediates, understanding the quality and source of CAS 21834-92-4 is crucial.

Beyond pharmaceuticals, this compound is highly valued in the flavor and fragrance sector. Its characteristic aroma profile, often described as cocoa-like or coffee-like, makes it a desirable component for creating specific scent and taste experiences in consumer products. Flavorists and perfumers often source this compound to add depth and complexity to their formulations.

For those seeking to purchase Benzeneacetaldehyde, alpha-(3-methylbutylidene)-, reliability of supply and consistent quality are paramount. Manufacturers and suppliers in regions like China offer this intermediate with high purity, catering to the stringent demands of global industries. When searching for a supplier, ensuring they can provide detailed specifications, safety data sheets (SDS), and potentially Certificates of Analysis (COA) is a standard practice.

In summary, CAS 21834-92-4, or Benzeneacetaldehyde, alpha-(3-methylbutylidene)-, is a versatile and important fine chemical intermediate. Its applications in pharmaceuticals and the flavor and fragrance industries highlight its significance. Buyers looking for this compound should prioritize sourcing from reputable manufacturers and suppliers who guarantee purity and consistent quality, ensuring successful outcomes in their respective fields.