Description

Octadecanoic Acid, 10-Oxo- is a high-purity specialty fatty acid derivative, also known as 10-Ketostearic Acid. This compound is valued for its unique ketone functionality within a long-chain fatty acid structure, offering a versatile reactive site for synthesis and modification. It serves as a critical intermediate for researchers and manufacturers in the pharmaceutical, cosmetic, and advanced materials sectors seeking to develop novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, leveraging the ketone group for further chemical transformations.
• Cosmetic & Personal Care Ingredients: Acts as a precursor for emulsifiers, surfactants, and conditioning agents in creams, lotions, and hair care products.
• Lubricant & Fuel Additive Synthesis: Serves as a building block for creating specialized esters and derivatives that enhance lubricity and performance in industrial lubricants and biofuels.
• Polymer & Resin Modification: Employed to introduce fatty acid chains into polymers, improving flexibility, hydrophobicity, or biocompatibility of the final material.
• Research & Development: A key reagent in organic synthesis and chemical research for studying fatty acid metabolism and creating novel bio-based chemicals.
• Surfactant & Detergent Industry: Utilized as an intermediate for producing anionic and nonionic surfactants with specific cleansing and foaming properties.

Basic Information

Product Name	Octadecanoic Acid, 10-Oxo-
CAS No.	4158-12-7
Molecular Formula	C₁₈H₃₄O₃
Molecular Weight	298.46 g/mol
Synonyms	10-Ketostearic Acid; 10-Oxooctadecanoic Acid; 10-Oxostearic Acid; 10-Oxo-octadecanoic Acid; KSA; 10-Keto-stearic acid; Stearic acid, 10-oxo-
EINECS	223-989-8

Quality Control

Our Octadecanoic Acid, 10-Oxo- is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment, and we support compliance with global regulatory frameworks such as REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation. For long-term storage, consider using an inert atmosphere to minimize oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 10 ppm

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