trans-citral

2025年2月4日
行业新闻

trans-citral

Trans-Citral (α-Citral) Overview

Trans-Citral (also known as α-Citral or Geranial) is a naturally occurring monoterpene aldehyde with a strong lemon-like aroma. It is widely used in the fragrance and flavor industries, as well as in various chemical syntheses.

trans-citral

General Information

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

Physical and Chemical Properties

  • Appearance: Colorless to pale yellow liquid
  • Odor: Lemon-like aroma
  • Density: 0.8888 g/mL at 20°C
  • Boiling Point: 229°C
  • Refractive Index: n₂₀/D 1.4898
  • Solubility: Practically insoluble in water
  • Stability: Stable but prone to isomerization. Sensitive to light, heat, and air

Applications

  • Fragrance and Flavor: Trans-Citral is used as a fragrance and flavoring agent in perfumes, cosmetics, soaps, detergents, and food products. It is a key component in lemon and citrus fragrances.
  • Chemical Synthesis: It is used as a precursor in the synthesis of other chemicals, such as vitamins A and E.
  • Biopesticide: Trans-Citral has mild repellent properties for some insect species.

Safety and Regulatory Information

  • Toxicity: Moderately toxic by intraperitoneal route; mildly toxic by ingestion.
  • Skin Irritant: A severe human and experimental skin irritant.
  • Regulatory Codes:
    • CAS RN: 141-27-5
    • EC Number: 226-394-6
    • FEMA Number: 2303

Natural Occurrence

Trans-Citral is naturally found in essential oils such as lemongrass oil, lemon oil, and mandarin oil. It is also present in various fruits and spices, including apricot, ginger, grapefruit, and orange.

Usage

  • Fragrance and Flavor Industry: Trans-Citral is used in a wide range of products to impart a lemon-like aroma.
  • Food Industry: It is used as a food additive to enhance the flavor of beverages, candies, and baked goods.
  • Cosmetics: Trans-Citral is used in perfumes and cosmetics, but it must be listed by name in cosmetics within the EU due to its potential as an allergen.

Trans-Citral is a versatile and essential compound in the fragrance and flavor industries, known for its strong lemon aroma and chemical reactivity.

  • 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.