Description

9-Oxooctadecanoic Acid is a high-purity, long-chain keto fatty acid derivative, serving as a critical synthetic intermediate and functional additive. Its value lies in its unique carbonyl functionality, which enables precise chemical modifications for creating specialized compounds. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients or advanced materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of prostaglandin analogs, lipid-based drug conjugates, and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of specialized plant growth regulators, pheromones, and environmentally benign pesticide formulations.
• Specialty Polymer & Resin Modifier: Acts as a functional monomer or cross-linking agent to introduce polar groups and alter the physical properties of polymers.
• Lubricant & Fuel Additive Precursor: Serves as a starting material for manufacturing high-performance esters and derivatives that improve lubrication and stability.
• Cosmetic & Personal Care Ingredients: Utilized in the synthesis of emulsifiers, skin-conditioning agents, and viscosity controllers.
• Research & Development: A valuable reference standard and reagent in organic chemistry research, metabolic studies, and analytical method development.

Basic Information

Product Name	9-Oxooctadecanoic Acid
CAS No.	4114-74-3
Molecular Formula	C₁₈H₃₄O₃
Molecular Weight	298.46 g/mol
Synonyms	9-Ketostearic Acid; 9-Oxostearic Acid; 9-Ketooctadecanoic Acid; 9-Oxo-octadecanoic Acid; 9-Oxo-C18:0; Octadecanoic acid, 9-oxo-; 9-KSA
EINECS	223-900-8

Quality Control

Our 9-Oxooctadecanoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) upon request, confirming compliance with customer specifications and relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
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.