1-p-Menthene-8-thiol
1-p-Menthene-8-thiol, commonly known as grapefruit mercaptan, is a highly potent organosulfur compound with the CAS registry number 71159-90-5. Structurally related to limonene, this terpene thiol is recognized as one of the most powerful aroma chemicals in existence, possessing an incredibly low odor detection threshold. In its concentrated form, the substance exhibits a sharp, sulfurous profile, but when significantly diluted, it reveals a remarkably authentic and fresh grapefruit character that is indispensable in high-end olfactory formulations.
Handling this material requires specialized expertise due to its extreme potency and volatility. Even minute quantities can dominate a workspace, necessitating rigorous containment and precise measurement techniques. Despite these challenges, its unique chemical characteristics make it a prized component for researchers and formulators seeking to replicate complex natural scents. It serves as a vital tool in the development of sophisticated flavor profiles and fragrance compositions that require a specific, zesty sulfur-top note.
• In the flavor industry, this compound is utilized as a critical flavoring agent to impart a realistic grapefruit profile to beverages, confectioneries, and dairy products. Because of its intense potency, it is typically used in extremely high dilutions to provide the characteristic tart and bitter-sweet nuances found in natural citrus juices without overwhelming the other flavor components.
• Within fragrance design, 1-p-Menthene-8-thiol is employed to add lift and realism to citrus-based perfumes and colognes. It acts as a top-note enhancer that replicates the sulfurous, zesty quality of freshly peeled fruit, often paired with other terpenes to create complex accords for personal care products and fine fragrances.
• The material serves as a benchmark in sensory research and analytical chemistry for studying odor perception and detection thresholds. Its status as one of the most detectable substances known to science makes it an ideal candidate for calibrating olfactory equipment and conducting studies on the human sense of smell and molecular structure-odor relationships.
• It is also applied in the synthesis of specialized chemical intermediates where a thiol functional group is required within a p-menthane skeleton. Its unique reactivity allows for the creation of derivative compounds used in niche industrial applications, providing a specific sulfur-containing backbone for further chemical modification in laboratory settings.
Product Name: 1-p-Menthene-8-thiol
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