Description

3-Hydroxyoctadecanoic Acid is a high-purity, long-chain hydroxy fatty acid with significant industrial and research utility. This compound serves as a versatile chiral building block and intermediate in the synthesis of complex lipids, surfactants, and specialty polymers. It is particularly valuable for manufacturers and R&D laboratories in the pharmaceutical, cosmetics, and advanced materials sectors seeking to develop novel bioactive compounds or modify surface properties.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the production of sphingolipids, ceramides, and other bioactive molecules with potential therapeutic applications.
• Cosmetic & Personal Care Ingredients: Used in the formulation of high-end skincare products, such as moisturizers and anti-aging creams, due to its skin-barrier enhancing properties.
• Specialty Surfactants & Emulsifiers: Serves as a precursor for synthesizing novel, biodegradable surfactants with unique hydrophilic-lipophilic balance (HLB) properties.
• Polymer Modification: Acts as a monomer or modifier in the production of polyesters and polyamides to introduce hydroxyl functionality and alter material characteristics.
• Biochemical Research: Essential standard and reagent in lipidomics, metabolic pathway studies, and enzymatic research related to fatty acid metabolism.
• Lubricant Additives: Employed in the development of synthetic esters and lubricant formulations requiring enhanced stability and performance characteristics.

Basic Information

Product Name	3-Hydroxyoctadecanoic Acid
CAS No.	45261-96-9
Molecular Formula	C₁₈H₃₆O₃
Molecular Weight	300.48 g/mol
Synonyms	3-Hydroxystearic Acid; D-erythro-3-Hydroxyoctadecanoic Acid; (R)-3-Hydroxystearic Acid; (3R)-3-Hydroxyoctadecanoic Acid; β-Hydroxystearic Acid; 3-Hydroxy C18:0 Acid; 3-Hydroxyoctadecanoate
EINECS	Contact for details

Quality Control

Our 3-Hydroxyoctadecanoic Acid is manufactured under a strict quality management system. Each batch is subjected to comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates and ISO standards for industrial chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere to prevent oxidation and absorption of moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Optical Rotation	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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