Description

Trans,trans-2,8-Decadiene is a high-purity, straight-chain diene characterized by its specific geometric isomerism, making it a valuable and versatile intermediate in advanced organic synthesis. This compound is essential for creating complex molecular architectures, particularly in the development of specialty polymers, fine chemicals, and flavor & fragrance ingredients. It is primarily sought after by R&D laboratories, flavor & fragrance houses, and manufacturers in the agrochemical and pharmaceutical sectors for its role as a key building block.

Application

• Flavor and Fragrance (F&F) Industry: Serves as a crucial intermediate in the synthesis of complex aroma chemicals and natural product analogs.
• Agrochemical Synthesis: Used as a building block for creating specific pheromones, insect attractants, and other bioactive compounds.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs) requiring specific hydrocarbon chains.
• Polymer Chemistry: Acts as a monomer or co-monomer in the production of specialty polymers with tailored properties.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for Diels-Alder reactions and other cycloaddition chemistry.
• Liquid Crystal and Electronic Materials: Used in the synthesis of organic components for advanced material science applications.

Basic Information

Product Name	Trans,trans-2,8-Decadiene
CAS No.	19398-85-7
Molecular Formula	C₁₀H₁₈
Molecular Weight	138.25 g/mol
Synonyms	2,8-Decadiene, (E,E)-; (2E,8E)-2,8-Decadiene; (E,E)-2,8-Decadiene; trans,trans-2,8-Decadiene; 2,8-Decadiene; Decadiene; 1,2,7,8-Tetrahydro-o-xylene (deprecated); FEMA 3911
EINECS	243-028-5

Quality Control

Our Trans,trans-2,8-Decadiene is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and isomer specificity. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee consistent quality and traceability for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. The container should be kept tightly sealed under an inert atmosphere (e.g., nitrogen) to prevent oxidation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0% (Area %)
Isomeric Purity (trans,trans)	≥ 95.0% (by GC)
Water Content (KF)	≤ 0.1%
Refractive Index (n20/D)	1.440 - 1.445
Specific Gravity (20/4°C)	0.745 - 0.755

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