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In the realm of specialty chemicals, understanding the molecular structure and chemical properties of a compound is fundamental to its effective application. 3,7-Dimethyl-7-hydroxyoctanal (CAS 107-75-5), widely known in the fragrance industry as Hydroxycitronellal, is a prime example of a molecule whose structure dictates its value. As a dedicated chemical manufacturer, we provide detailed insights into this important compound.
Molecular Structure and Nomenclature
The chemical name, 3,7-Dimethyl-7-hydroxyoctanal, precisely describes the molecule's architecture. It is an eight-carbon chain (octanal) featuring an aldehyde functional group (-CHO) at one end. Key structural elements include:
The presence of an asymmetric carbon atom at the 3rd position means 3,7-Dimethyl-7-hydroxyoctanal exists as enantiomers, though for most practical applications, the racemic mixture is utilized. Its molecular formula is C₁₀H₂₀O₂, and its molecular weight is approximately 172.26 g/mol.
Synthesis Routes and Manufacturing
Industrially, 3,7-Dimethyl-7-hydroxyoctanal is primarily synthesized from citronellal. One common route involves the acid-catalyzed hydration of citronellal. Another established method involves the formation of an oxazolidine intermediate by reacting citronellal with a secondary amine, followed by acid hydrolysis. These synthesis routes are carefully controlled by manufacturers to ensure high yields and purity, critical for its downstream applications in flavors, fragrances, and cosmetics.
Physicochemical Properties
The physical properties of 3,7-Dimethyl-7-hydroxyoctanal are essential for formulators:
Safety and Regulatory Aspects
While generally recognized as safe (GRAS) for use as a flavoring agent by bodies like FEMA and JECFA, 3,7-Dimethyl-7-hydroxyoctanal is identified by IFRA as a potential sensitizer. This leads to concentration restrictions in cosmetic and fragrance products to prevent adverse skin reactions. Understanding these regulatory landscapes is crucial for formulators and highlights the importance of sourcing from suppliers who are knowledgeable about these standards.
Your Trusted Chemical Supplier
As a leading manufacturer and supplier of fine chemicals, we are dedicated to providing 3,7-Dimethyl-7-hydroxyoctanal (CAS 107-75-5) with exceptional purity and detailed technical specifications. We offer competitive pricing for bulk purchases and ensure a consistent supply for your production needs. If you are seeking a reliable source for this versatile aroma chemical, please contact us for a quote and further information on our manufacturing capabilities.
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