Description

4-Hydroxyoctadecanoic Acid Methyl Ester is a high-purity fatty acid methyl ester derivative, valued for its role as a versatile chemical intermediate and building block in advanced synthesis. Its functional groups make it a critical precursor for producing surfactants, lubricants, and specialized polymers. This compound is essential for R&D and manufacturing in the pharmaceutical, cosmetic, and specialty chemical industries seeking to modify surface properties or create novel biomaterials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of bioactive molecules and prodrugs due to its lipophilic character and modifiable hydroxyl group.
• Surfactant & Emulsifier Precursor: Serves as a key raw material for manufacturing non-ionic surfactants and emulsifiers for cosmetic and industrial formulations.
• Lubricant Additive Synthesis: Acts as a building block for creating ester-based lubricants and functional additives that enhance performance and reduce friction.
• Polymer Modification: Employed to introduce long alkyl chains and polar groups into polymers, improving flexibility, compatibility, and surface characteristics.
• Cosmetic Ingredient Synthesis: Used in the production of emollients, wax esters, and other personal care ingredients that provide moisturization and texture.
• Research & Development: A valuable standard and reagent in organic chemistry research, particularly in lipid and fatty acid chemistry studies.

Basic Information

Product Name	4-Hydroxyoctadecanoic Acid Methyl Ester
CAS No.	2420-38-4
Molecular Formula	C₁₉H₃₈O₃
Molecular Weight	314.51 g/mol
Synonyms	Methyl 4-Hydroxyoctadecanoate; Methyl 4-Hydroxystearate; 4-Hydroxystearic Acid Methyl Ester; 4-Hydroxy Stearic Acid Methyl Ester; Methyl 4-Hydroxy Stearate; 4-Hydroxy C18 Acid Methyl Ester; Hydroxylated Stearic Acid Methyl Ester; Octadecanoic acid, 4-hydroxy-, methyl ester
EINECS	219-350-2

Quality Control

Our 4-Hydroxyoctadecanoic Acid Methyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request, supporting compliance in regulated applications.

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 oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines
Water Content (KF)	< 0.5%

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