Description

Isooctadecanoic Acid, Methyl Ester is a branched-chain fatty acid ester valued for its excellent oxidative stability and low-temperature properties. This chemical serves as a versatile intermediate and functional additive in high-performance formulations. It is particularly sought after by manufacturers in the lubricants, plastics, and personal care industries seeking to enhance product performance and shelf life.

Application

• Lubricant & Metalworking Fluid Additive: Acts as a synthetic base stock or friction modifier, providing superior thermal stability and lubricity.
• Plasticizer & Polymer Intermediate: Used in the production of specialty polymers and resins to improve flexibility and processing characteristics.
• Personal Care & Cosmetic Ingredients: Functions as an emollient and texture enhancer in creams, lotions, and makeup products.
• Surfactant & Detergent Synthesis: Serves as a key raw material for manufacturing biodegradable surfactants and cleaning agents.
• Coating & Ink Formulations: Imparts improved flow, leveling, and adhesion properties in industrial and graphic arts applications.
• Fuel & Biofuel Additive: Employed to improve cold flow properties and combustion efficiency.

Basic Information

Product Name	Isooctadecanoic Acid, Methyl Ester
CAS No.	68517-10-2
Molecular Formula	C₁₉H₃₈O₂
Molecular Weight	298.51 g/mol
Synonyms	Methyl Isooctadecanoate; Methyl Isostearate; Isooctadecanoic Acid Methyl Ester; Isostearic Acid Methyl Ester; 16-Methylheptadecanoic Acid Methyl Ester; Methyl 16-Methylheptadecanoate; C18 Branched-chain Fatty Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our Isooctadecanoic Acid, Methyl Ester is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) for purity and identity confirmation, to ensure it meets precise specifications. Certificates of Analysis (COA) documenting batch-specific results are available upon request, providing full traceability and compliance assurance for your quality 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). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Iodine Value	≤ 2.0 g I₂/100g
Moisture (KF)	≤ 0.1%
Color (APHA)	≤ 50

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