Description

15-Ethylheptadecanoic Acid Methyl Ester is a high-purity branched-chain fatty acid ester, a key intermediate in advanced organic synthesis. This compound is valued for its role in producing specialized surfactants, lubricant additives, and fine chemicals where specific molecular architecture is required. It serves the needs of R&D laboratories, specialty chemical manufacturers, and industries developing performance materials.

Application

• Surfactant & Detergent Intermediate: Used in the synthesis of specialized, high-performance surfactants for industrial and institutional cleaning formulations.
• Lubricant & Fuel Additive Precursor: Acts as a key building block for creating additives that improve viscosity index, reduce friction, and enhance stability in lubricants and fuels.
• Polymer & Plasticizer Modification: Employed to introduce specific alkyl branches into polymer chains or plasticizer molecules, modifying flexibility, compatibility, and thermal properties.
• Fine Chemical & Pharmaceutical Synthesis: Serves as a versatile chiral synthon or intermediate in the multi-step synthesis of complex organic molecules for pharmaceutical and agrochemical applications.
• Cosmetic & Personal Care Ingredients: Utilized in the production of emollients and specialty esters that provide unique sensory profiles and stability in cosmetic formulations.
• Research & Development: A valuable reference standard and starting material in chemical research for studying structure-activity relationships and developing new synthetic methodologies.

Basic Information

Product Name	15-Ethylheptadecanoic Acid Methyl Ester
CAS No.	55124-96-4
Molecular Formula	C₂₁H₄₂O₂
Molecular Weight	326.56 g/mol
Synonyms	Methyl 15-ethylheptadecanoate; 15-Ethyl-heptadecanoic acid methyl ester; Heptadecanoic acid, 15-ethyl-, methyl ester; Methyl 15-ethylmargarate; 15-Ethylmargaric acid methyl ester; 2-Ethyloctadecanoic acid methyl ester (isomeric form); C21 Fatty Acid Methyl Ester (branched)
EINECS	Contact for details

Quality Control

Our 15-Ethylheptadecanoic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment and are 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 (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Specific Gravity (20°C)	0.86 - 0.88
Refractive Index (20°C)	1.440 - 1.445

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