E-Citral

2025年2月4日
行业新闻

E-Citral

E-Citral (Trans-Citral)

E-Citral, also known as trans-Citral or α-Citral, is a naturally occurring monoterpene aldehyde with a strong lemon-like aroma. It is widely used in the fragrance, flavor, and pharmaceutical industries. Here are the key details about E-Citral:

Basic Information

  • Chemical Name: (E)-3,7-Dimethyl-2,6-octadienal
  • CAS Number: 141-27-5
  • Molecular Formula: C₁₀H₁₆O
  • Molecular Weight: 152.23 g/mol
  • Synonyms:
    • (E)-Citral
    • α-Citral
    • Geranial
    • Trans-3,7-dimethyl-2,6-octadienal
    • Trans-Citral

Physical and Chemical Properties

  • Appearance: Colorless to pale yellow liquid
  • Odor: Strong lemon-like aroma
  • Density: 0.8888 g/mL at 25°C
  • Boiling Point: 229°C
  • Refractive Index: n₂₀/D 1.4898
  • Solubility: Insoluble in water, soluble in ethanol and other organic solvents
  • Stability: Stable but sensitive to strong acids and bases

Applications

  • Fragrance Industry: E-Citral is a key component in lemon and citrus fragrances, widely used in perfumes, cosmetics, and personal care products.
  • Food and Beverage Industry: Used as a flavoring agent to impart a lemon flavor in beverages, candies, and baked goods.
  • Pharmaceutical Industry: Used in the synthesis of vitamins A and E, and as a plasticizer in pharmaceutical formulations.
  • Biopesticide: E-Citral has mild repellent properties for some flying insects, such as wasps and mosquitoes.

Production

E-Citral can be isolated from natural sources such as lemon grass oil, lemon oil, and lemongrass oil through fractional distillation. It can also be synthesized chemically using isobutene and methanal as starting materials.

Safety Information

  • Toxicity: Oral LD50 in rats is 4960 mg/kg.
  • Storage: Store in a cool, dry place, away from strong acids and bases to prevent degradation.
  • Handling: Use appropriate personal protective equipment and follow good industrial hygiene practices.

Regulatory Information

  • CAS Number: 141-27-5
  • EINECS Number: 226-394-6
  • FEMA Number: 2303
  • US EPA Chemical Code: 040510

E-Citral is a versatile compound known for its strong lemon aroma and is widely used in various industries for its fragrance and flavor properties.

  • 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.