
Linalool terpene (MF: C₁₀H₁₈O, MW: 154.25) exists as two isomers, α- and β-, as well as three optical isomers—(S)-, (R)-, and racemic forms. At room temperature, it is a colorless, transparent, oily liquid with a fresh lily-of-the-valley scent and a citrusy fragrance. It is one of the most widely used fragrance ingredients globally and possesses bioactive properties such as antibacterial, anti-inflammatory, and sedative effects. It is extensively used in the personal care, food, and pharmaceutical industries.
| Item | Specification |
| Melting Point | -20°C to -15°C |
| Boiling Point | 197–199 °C (760 mmHg) |
| Density | 0.860–0.867 g/cm³ (25°C) |
| Flash point | 78°C (closed cup) |
| Vapor pressure | 0.17 mmHg (25°C) |
| Refractive index | 1.461–1.465 (20°C) |
| Odor | Lily-of-the-valley scent |
| Water solubility | 1.45 g/L (25°C) |
Flavors and Fragrances: Linalool terpene is one of the most widely used terpenes globally and serves as a flavor blend, fragrance enhancer, and fixative.
Personal Care and Cleaning Products: It is widely added to perfumes, aromatherapy products, scented candles, soaps, laundry detergents, shampoos, body washes, conditioners, and other products to impart and enhance fragrance.
Food and Tobacco Flavors: Food-grade linalool is used in beverages, confectionery, baked goods, and frozen desserts to formulate citrus, floral, and fruity food flavors, as well as raw materials for tobacco flavors.
Cosmetics, Skincare, and Aromatherapy: Linalol possesses antibacterial, soothing, and antioxidant properties and is added to skincare products, cosmetics, and aromatherapy treatments.
Fine Chemical Intermediates: It is used in the synthesis of high-grade fragrances such as linalyl acetate, geraniol, and nerol, as well as in the production of vitamin A, vitamin E, and various pharmaceutical and household chemical intermediates.
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