Description

4-Octadecenoic Acid Methyl Ester is a monounsaturated fatty acid methyl ester (FAME) derived from oleic acid. This high-purity intermediate is valued for its role as a versatile building block in organic synthesis and industrial applications. It is essential for manufacturers in the chemical, pharmaceutical, and personal care industries seeking reliable, high-quality raw materials.

Application

• Chemical Synthesis Intermediate: A key starting material for producing surfactants, lubricant additives, and specialty polymers.
• Pharmaceutical Research: Used in the synthesis of lipid-based drug delivery systems and as a reference standard in analytical chemistry.
• Personal Care & Cosmetics: Serves as an emollient and conditioning agent in formulations for creams, lotions, and hair care products.
• Biofuel & Industrial Fluids: Acts as a component or precursor in bio-lubricants, biodiesel research, and functional fluid formulations.
• Agrochemicals: Employed in the synthesis of certain pesticide and herbicide intermediates.
• Analytical & Research Standards: Used as a chromatographic standard in GC and HPLC analysis for fatty acid profiling.

Basic Information

Product Name	4-Octadecenoic Acid Methyl Ester
CAS No.	56555-10-3
Molecular Formula	C19H36O2
Molecular Weight	296.49 g/mol
Synonyms	Methyl 4-Octadecenoate; Methyl (Z)-4-Octadecenoate; 4-Octadecenoic Acid, Methyl Ester; (Z)-4-Octadecenoic Acid Methyl Ester; cis-4-Octadecenoic Acid Methyl Ester; Petroselaidic Acid Methyl Ester; Methyl Petroselaidate; C18:1 n-14 Methyl Ester
EINECS	Contact for details

Quality Control

Our 4-Octadecenoic Acid Methyl Ester is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC and HPLC analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, acids, and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Specific Gravity (20°C)	0.87 - 0.89
Refractive Index (20°C)	1.450 - 1.455

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