Description

(2E,4E)-2,4-Decadien-1-Ol CAS NO 18409-21-7 is a high-purity, unsaturated fatty alcohol characterized by its distinctive conjugated diene structure. This compound is a valuable intermediate and flavor/fragrance component, prized for its contribution to green, waxy, and fatty organoleptic notes. It is essential for manufacturers in the flavor and fragrance industry, as well as for researchers developing novel synthetic pathways in organic chemistry and materials science.

Application

• Flavor & Fragrance (F&F) Industry: A key building block for synthesizing complex aroma chemicals and as a direct component imparting green, fatty, and mushroom-like notes in perfumes and food flavorings.
• Food Flavoring: Used to create or enhance natural-tasting flavors in processed foods, snacks, and culinary products where a fresh, waxy, or vegetable-like character is desired.
• Cosmetics & Personal Care: Incorporated into formulations for soaps, lotions, and creams as a fragrance ingredient and functional intermediate for specialty esters.
• Organic Synthesis: Serves as a versatile chiral building block and diene component in Diels-Alder and other cycloaddition reactions for pharmaceutical and agrochemical research.
• Chemical Intermediate: Used in the production of surfactants, plasticizers, and other specialty chemicals where a long-chain unsaturated alcohol is required.

Basic Information

Product Name	(2E,4E)-2,4-Decadien-1-Ol
CAS No.	18409-21-7
Molecular Formula	C₁₀H₁₈O
Molecular Weight	154.25 g/mol
Synonyms	trans,trans-2,4-Decadien-1-ol; (E,E)-2,4-Decadien-1-ol; 2,4-Decadien-1-ol, (2E,4E)-; Decadienol; FEMA 3911; 2,4-Decadienol
EINECS	242-273-9

Quality Control

Our (2E,4E)-2,4-Decadien-1-Ol is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC and HPLC analysis, to ensure high purity and consistent isomeric composition. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided with every shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at 2-8°C for long-term stability. This product is easily oxidized and moisture-sensitive; avoid exposure to air and high temperatures.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0% (sum of isomers)
(2E,4E)-Isomer Content (GC)	≥ 90.0%
Refractive Index (20°C)	1.470 - 1.480
Specific Gravity (20/20°C)	0.850 - 0.870

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.