Description

17-Methyloctadecanoic Acid is a branched-chain, long-chain fatty acid with a methyl group on the 17th carbon. This structural feature influences its physical properties and reactivity, making it a valuable intermediate for specialized chemical synthesis. It is primarily utilized in industrial research and development for creating advanced lubricants, surfactants, and polymer additives. This compound serves the needs of fine chemical manufacturers and R&D laboratories seeking to modify material properties.

Application

• Chemical Intermediate: Key building block for synthesizing specialized esters, amides, and other derivatives used in lubricant formulations.
• Surfactant & Detergent Precursor: Serves as a hydrophobic feedstock for producing branched-chain surfactants with tailored performance characteristics.
• Polymer Additive Synthesis: Used to create internal or external plasticizers and stabilizers to enhance polymer flexibility and processing.
• Research & Development: A valuable reference standard and starting material in organic chemistry research for studying branched fatty acid behavior.
• Lubricant & Grease Formulation: Its derivatives can improve the low-temperature fluidity and oxidative stability of synthetic lubricants.
• Corrosion Inhibitor Component: Incorporated into formulations to create protective films on metal surfaces in industrial fluids.

Basic Information

Product Name	17-Methyloctadecanoic Acid
CAS No.	2724-59-6
Molecular Formula	C₁₉H₃₈O₂
Molecular Weight	298.51 g/mol
Synonyms	18-Methylnonadecanoic Acid; 17-Methylstearic Acid; Isostearic Acid (technical mixture isomer); 17-Methylicosanoic Acid (common misnomer); 19-Methylicosanoic Acid; 17-Methyloctadecanoic acid; Iso-C19 Acid
EINECS	220-324-6

Quality Control

Our 17-Methyloctadecanoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters 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 room temperature (15-25°C). Keep away from strong oxidizers and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or waxy solid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 95.0%
Melting Point	Contact for details
Acid Value	Contact for details
Heavy Metals	< 10 ppm

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