Aldehyde C-9, also known as Nonanal or Pelargonaldehyde, is a straight-chain aliphatic aldehyde consisting of 9 carbon atoms, existing as a clear, colorless to pale yellow liquid. Although this compound occurs naturally in small amounts in essential oils such as orange, lemon, rose, lemongrass, and cinnamon, it is primarily synthesized industrially (most commonly via the hydroformylation of 1-octene) to ensure high purity and absolute consistency for commercial products.
Regarding its odor characteristics, Aldehyde C-9 possesses a waxy, fresh citrus peel scent, with faint green notes of cucumber and vibrant rose nuances. Because it has an extremely strong odor intensity, this compound requires delicate blending and is typically used only at very low dilutions (often between 0.1% and 1%). When used correctly, even a trace amount of Aldehyde C-9 is enough to provide a "radiant" effect, creating a fresh opening and offering the perfect lift for the top notes of a fragrance composition.
In the fragrance industry, this material is a core foundation for aldehydic and floral fragrance families (such as rose, jasmine, and lily of the valley) as well as fresh citrus accords. Not limited to fine fragrances, Aldehyde C-9 is also widely used in functional products like soaps, detergents, scented candles, and air fresheners, thanks to its ability to impart a clean, characteristic "soapy" scent. Additionally, in the food industry, it is permitted by the Flavor and Extract Manufacturers Association (FEMA) as a flavoring agent to enhance citrus, fruit, nutty, and buttery notes.
Beyond the boundaries of the flavor and fragrance industry, Aldehyde C-9 has important scientific applications. This compound has been identified as a natural chemical signal that attracts Culex mosquitoes (which transmit diseases); therefore, it is combined with carbon dioxide to serve as a lure in mosquito traps to control disease vectors. In particular, within diagnostic medicine, Nonanal is being researched as a volatile biomarker in exhaled breath, aiding in the early and non-invasive detection of certain diseases such as lung cancer and ovarian cancer.
In terms of safety, Aldehyde C-9 is a combustible liquid and can cause skin irritation, respiratory tract irritation, as well as severe eye irritation if exposed at high concentrations. The product is also warned to be toxic to aquatic life with long-lasting effects if released into the environment. To maintain its quality, the product should be stored in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and sparks, and must be tightly closed in specialized packaging to prevent autoxidation or degradation. Any direct handling of the pure chemical requires appropriate personal protective equipment, such as protective gloves and safety goggles.
All orders will be processed within 1-2 business days from the time the order is confirmed.
Free shipping is available for international retail orders valued at 500 USD or more.
Delivery time is 1-3 business days for local areas, 3-7 days for suburban and nationwide deliveries, and 1-4 weeks for international orders.
You have 30 days from the date of receipt to initiate the return process.
