Description

Octadecanoic Acid CAS NO 9011-21-6 is a high-purity, long-chain saturated fatty acid widely utilized as a fundamental building block in industrial synthesis. Its consistent quality and reliable performance make it a critical raw material for manufacturers requiring precise chemical intermediates. This product is essential for producers in the polymer, personal care, and specialty chemical industries seeking to enhance product stability and functionality.

Application

• As a key monomer or co-monomer in the production of polyamide resins and other specialty polymers.
• In the synthesis of metallic stearates, which are widely used as lubricants, release agents, and stabilizers in plastics and rubber processing.
• As a raw material for manufacturing emulsifiers, surfactants, and conditioning agents for personal care and cosmetic formulations.
• In the production of waxes and coatings to modify texture, melting point, and water resistance.
• As an intermediate for pharmaceutical excipients and food-grade additives, subject to appropriate purity grades.
• For research and development purposes in organic synthesis and material science laboratories.

Basic Information

Product Name	Octadecanoic Acid
CAS No.	9011-21-6
Molecular Formula	C18H36O2
Molecular Weight	284.48 g/mol
Synonyms	Stearic Acid (technical grade); C18 Acid; n-Octadecanoic Acid; 1-Heptadecanecarboxylic Acid; Hydrofol Acid 1895; Industrene 4518; Hystrene S-97; Glycon DP
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, acid value, iodine value, and other critical parameters is provided with every shipment to guarantee traceability and compliance.

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, heat, and ignition sources. For long-term storage, consider using under an inert atmosphere to prevent oxidation.

Specification

Item	Specification
Appearance	White to off-white flakes or powder
Identification (IR)	Conforms
Assay (Titration)	≥ 97.0%
Acid Value	195 - 205 mg KOH/g
Iodine Value	≤ 2.0 g I2/100g
Saponification Value	196 - 206 mg KOH/g
Melting Point	67 - 72 °C
Heavy Metals (as Pb)	≤ 10 ppm

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