Description

3-Methoxyoctadecanoic Acid Methyl Ester is a high-purity, synthetic fatty acid derivative characterized by its methoxy-substituted long alkyl chain. This compound serves as a valuable intermediate and building block in advanced organic synthesis, offering unique structural features for modifying hydrophobicity and reactivity. It is primarily utilized by pharmaceutical, agrochemical, and specialty chemical manufacturers for research and development, as well as in the production of surfactants and lubricant additives.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Serves as a key precursor for creating novel pesticides, herbicides, and plant growth regulators.
• Specialty Surfactants: Acts as a hydrophobic building block for non-ionic and anionic surfactants with tailored properties.
• Lubricant & Fuel Additive: Employed in formulating high-performance lubricant additives and fuel system cleaners.
• Organic Synthesis Reagent: A versatile reagent for introducing long-chain methoxy ester functionalities in research chemistry.
• Polymer Modification: Used to modify polymers to enhance flexibility, hydrophobicity, or compatibility.

Basic Information

Product Name	3-Methoxyoctadecanoic Acid Methyl Ester
CAS No.	19013-36-6
Molecular Formula	C₂₀H₄₀O₃
Molecular Weight	328.53 g/mol
Synonyms	Methyl 3-Methoxyoctadecanoate; Methyl 3-Methoxystearate; 3-Methoxyoctadecanoic Acid Methyl Ester; Octadecanoic Acid, 3-Methoxy-, Methyl Ester; Methyl 3-Methoxy-Octadecanoate; Stearic Acid, 3-Methoxy-, Methyl Ester
EINECS	Contact for details

Quality Control

Our 3-Methoxyoctadecanoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong alkalis and incompatible materials such as strong oxidizing agents. For long-term storage, consider holding under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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