Overview
Undecalactone, commonly referred to as gamma-undecalactone or peach aldehyde, is an organic compound belonging to the lactone family. It is renowned for its intense peach-like aroma, making it a staple in the flavor and fragrance industries. Naturally occurring in small quantities in fruits like peaches and apricots, it is predominantly synthesized for commercial use. As a versatile ingredient, undecalactone is prized for its ability to impart fruity, creamy, and sweet notes. Its stability and low volatility make it suitable for a wide range of applications, from food flavorings to high-end perfumes. The compound is regulated under FEMA 3091 and is generally recognized as safe for consumption.
Physical and Chemical Properties
Undecalactone is a colorless to pale yellow liquid with a molecular formula of C11H20O2 and a molecular weight of 184.28 g/mol. It has a density of 0.941-0.949 g/cm³ and a boiling point of 297°C. The compound is soluble in alcohol and oils but only slightly soluble in water. Its key chemical property is the lactone ring, which contributes to its stability and distinctive aroma. The compound exhibits low volatility, ensuring long-lasting fragrance in applications. It is stable under normal storage conditions but should be protected from extreme heat and light to prevent degradation.
Main Applications
Undecalactone is widely used in the food industry as a flavoring agent, particularly in products requiring peach, apricot, or creamy notes. It is a common ingredient in candies, baked goods, and beverages. In the fragrance industry, it serves as a middle note in perfumes, imparting a fruity and floral character. Beyond food and cosmetics, undecalactone is employed in household products like soaps and detergents for its pleasant scent. It also acts as a synthetic intermediate in the production of other aroma chemicals. Its versatility and safety profile make it a preferred choice for manufacturers across multiple sectors.
Safety and Storage
Undecalactone is generally considered safe for use in food and cosmetics, with GRAS status under FEMA 3091. However, proper handling is essential to avoid irritation. It should be used in well-ventilated areas, and direct contact with skin or eyes should be avoided. For storage, the compound should be kept in a cool, dry place away from light and heat sources. Containers must be tightly sealed to prevent oxidation or contamination. Bulk storage in stainless steel or food-grade plastic containers is recommended to maintain purity and extend shelf life.
B2B Procurement Guide
When procuring undecalactone, B2B buyers should prioritize suppliers with certifications for food-grade or cosmetic-grade products. Key factors to consider include purity levels (typically 98-99%), CAS number verification, and compliance with industry standards like FEMA or IFRA. Pricing varies based on quantity and purity, with bulk purchases often offering cost advantages. Buyers should also assess logistics, such as shipping conditions and lead times, to ensure product integrity. Establishing long-term relationships with reputable suppliers can secure consistent quality and competitive pricing.
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