Description

7-Octadecenal is a long-chain, unsaturated aliphatic aldehyde with the CAS number 56555-00-1. This compound serves as a valuable intermediate and building block in organic synthesis, prized for its terminal aldehyde functionality and C18 hydrocarbon chain. It is primarily utilized by manufacturers in the fragrance, flavor, and specialty chemical industries for the production of complex aroma molecules, surfactants, and other fine chemicals.

Application

• Fragrance and Flavor Intermediate: A key precursor in the synthesis of musks, floral, and fruity aroma compounds due to its long-chain aldehyde structure.
• Organic Synthesis Building Block: Used in various reactions, including Grignard additions, reductive amination, and aldol condensations to create more complex molecules.
• Surfactant and Detergent Manufacturing: Acts as a hydrophobic feedstock for producing non-ionic surfactants and emulsifiers.
• Lubricant and Plasticizer Additive Synthesis: Employed in the creation of specialized additives that modify the properties of polymers and lubricants.
• Research and Development: Used in academic and industrial R&D for studying lipid oxidation, pheromone synthesis, and material science.
• Pharmaceutical Intermediates: Potential use in the synthesis of specific bioactive molecules and prodrugs.

Basic Information

Product Name	7-Octadecenal
CAS No.	56555-00-1
Molecular Formula	C₁₈H₃₄O
Molecular Weight	266.46 g/mol
Synonyms	7-Octadecen-1-al; (Z)-7-Octadecenal; cis-7-Octadecenal; Octadec-7-enal; 7-Octadecenaldehyde; 7-Heptadecen-1-yl carboxaldehyde; Aldehyde C-18 unsaturated
EINECS	Contact for details

Quality Control

Our 7-Octadecenal is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We adhere to cGMP principles where applicable to support our customers in regulated industries.

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. Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Purity (HPLC)	≥ 90.0%
Water Content (KF)	≤ 0.5%

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