Description

(9Z)-Octadeca-9,17-Dienal CAS NO 56554-35-9 is a high-purity, unsaturated long-chain aldehyde of significant interest in advanced organic synthesis and fine chemical manufacturing. Its unique conjugated diene-aldehyde structure makes it a valuable versatile building block for creating complex molecules, including flavors, fragrances, and pharmaceutical intermediates. This compound is particularly sought after by R&D laboratories and production facilities in the flavor & fragrance, agrochemical, and specialty polymer sectors seeking to develop novel products with specific olfactory or functional properties.

Application

• Flavor and Fragrance (F&F) Ingredient: Serves as a key intermediate or character-impact molecule in the synthesis of complex, natural-identical aroma compounds.
• Organic Synthesis Building Block: Utilized in various reactions, including aldol condensations, Grignard additions, and reductive aminations, to construct larger, more complex molecular architectures.
• Agrochemical Intermediate: Used in the research and production of specialized pesticides, herbicides, or plant growth regulators where specific long-chain aldehyde chemistry is required.
• Specialty Polymer Modification: Acts as a monomer or cross-linking agent for introducing specific aldehyde functionality into polymers, potentially altering their physical or chemical properties.
• Research & Development (R&D): Employed in academic and industrial laboratories for investigating new synthetic pathways, catalysis, and material science applications.
• Pharmaceutical Intermediate: Functions as a precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs) or other bioactive molecules.

Basic Information

Item	Detail
Product Name	(9Z)-Octadeca-9,17-Dienal
CAS No.	56554-35-9
Molecular Formula	C₁₈H₃₂O
Molecular Weight	264.45 g/mol
Synonyms	9,17-Octadecadienal; (9Z,17Z)-9,17-Octadecadienal; (Z)-9,17-Octadecadienal; 9Z,17Z-Octadecadienal; Octadeca-9,17-dienal; Linoleyl aldehyde (isomer); C18:2 Aldehyde
EINECS	Contact for details

Quality Control

Every batch of (9Z)-Octadeca-9,17-Dienal is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards through rigorous analytical protocols, including chromatography and spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical applications.

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 place. Recommended storage temperature is 2-8°C for long-term stability. Allow the container to reach room temperature before opening to minimize moisture condensation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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