α-citral
Overview of α-Citral (α-Lemon醛)
α-Citral (α-Lemon醛), also known as Geranial or trans-Citral, is a naturally occurring unsaturated aldehyde widely used in the fragrance and flavor industries. Here are the detailed details about α-Citral:

Definition and Structure
α-Citral is an α,β-unsaturated aldehyde with the chemical formula C₁₀H₁₆O and a molecular weight of 152.23. Its structure is (E)-3,7-dimethyl-2,6-octadienal, belonging to the monoterpene class of compounds.
Physical and Chemical Properties
- Appearance: A transparent to pale yellow oily liquid.
- Odor: Has a strong lemon-like aroma.
- Density: 0.8888 g/mL.
- Boiling Point: 229°C.
- Refractive Index: n₂₀/D 1.4898.
- Solubility: Insoluble in water, soluble in organic solvents like ethanol and ether.
Applications
- Fragrance and Flavor: α-Citral is an important component in lemon and citrus fragrances, widely used in perfumes, cosmetics, and personal care products.
- Food and Beverage: Used to impart a lemon flavor, commonly found in beverages, candies, and baked goods.
- Pharmaceuticals: Possesses anti-inflammatory, analgesic, and anti-tumor biological activities, used in drug development.
- Chemical Synthesis: A precursor to violet ketone and other fragrance compounds.
Production Methods
α-Citral can be extracted from natural essential oils such as lemon grass oil and lemon oil, or synthesized chemically. For example, it can be produced by oxidizing geraniol or nerol.
Safety
- Stability: Prone to oxidation in air and light, should be stored in a closed container.
- Hazards: Irritant to skin and eyes, avoid contact.
α-Citral is a versatile fragrance compound with its unique lemon aroma and chemical activity, widely used in multiple fields.
Supplier Information
Contact Information:
Phone: +86 177 6715 5726.
Email: hwl5726@163.com.
Address: No. 8 Tongzhong Road, Eshan She Nationality Township, Tonglu County, Hangzhou City, Zhejiang Province, China.
Citrylal E, with its unique aroma and multifunctionality, plays an important role in various industries. For further information or purchase, please contact the above suppliers.