Description

7-Oxooctadecanoic Acid is a high-purity, long-chain keto fatty acid derivative with significant utility as a versatile chemical intermediate. Its unique structure, featuring a carbonyl group at the 7-position, makes it a valuable building block for synthesizing complex organic molecules, including specialty surfactants, lubricant additives, and pharmaceutical precursors. This compound is essential for R&D laboratories and industrial manufacturers in the fine chemicals, personal care, and advanced materials sectors seeking to develop novel compounds with tailored properties.

Application

• Chemical Synthesis Intermediate: A key precursor for the production of more complex fatty acid derivatives, surfactants, and esters.
• Lubricant & Fuel Additive Research: Used in the development of high-performance additives that modify viscosity and reduce friction.
• Personal Care & Cosmetic Ingredients: Serves as a starting material for synthesizing emollients, emulsifiers, and other specialty ingredients.
• Pharmaceutical & Bioactive Molecule Development: Employed in medicinal chemistry for creating potential drug candidates and bioactive lipids.
• Polymer & Material Science: Acts as a monomer or modifier in the synthesis of specialty polymers, coatings, and resins.
• Analytical & Reference Standard: Used as a certified reference material in chromatography and mass spectrometry for quality control and research.

Basic Information

Product Name	7-Oxooctadecanoic Acid
CAS No.	16694-32-9
Molecular Formula	C₁₈H₃₄O₃
Molecular Weight	298.46 g/mol
Synonyms	7-Ketostearic Acid; 7-Oxostearic Acid; Octadecanoic acid, 7-oxo-; 7-Oxo-octadecansäure (German); Acide 7-oxooctadécanoïque (French); 7-Oxo C18 Acid; Keto-stearic Acid; 7-Keto C18:0 Acid
EINECS	240-764-6

Quality Control

Our 7-Oxooctadecanoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (IR, NMR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for traceability and reliable supply.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The product should be kept away from strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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