Description

n-Octadecylsuccinic Acid is a high-purity, long-chain alkenyl succinic acid derivative, valued for its hydrophobic and surface-active properties. This compound serves as a critical intermediate and functional additive, offering excellent corrosion inhibition and water-repellent characteristics. It is essential for manufacturers in the lubricant, polymer, and specialty chemical industries seeking to enhance product performance and durability.

Application

• Corrosion Inhibitor: A key component in fuel and lubricant additive packages to protect metal surfaces.
• Paper Sizing Agent: Imparts water resistance to paper and cardboard products.
• Polymer Modification: Used as a comonomer or modifier to introduce hydrophobic alkyl chains into polymers.
• Surfactant Intermediate: Serves as a precursor for synthesizing specialized anionic surfactants and emulsifiers.
• Rust Preventive Oils: Formulated into coatings and oils for long-term metal part protection.
• Adhesive & Sealant Additive: Enhances moisture resistance and adhesion properties.

Basic Information

Product Name	n-Octadecylsuccinic Acid
CAS No.	5693-14-1
Molecular Formula	C22H42O4
Molecular Weight	370.57 g/mol
Synonyms	Octadecenylsuccinic Acid; 2-(Octadec-9-en-1-yl)succinic Acid; 9-Octadecen-1-ylsuccinic Acid; OSA; Alkenyl (C18) Succinic Acid; n-ODSA; 2-[(1-Oxo-9-octadecenyl)oxy]succinic Acid (related); Octadecylsuccinic Anhydride (precursor form)
EINECS	227-156-3

Quality Control

Our n-Octadecylsuccinic Acid is produced under a strict quality management system. Every batch is analyzed to ensure it meets precise chemical and physical specifications, with a focus on consistent purity and acid value. A comprehensive Certificate of Analysis (COA) documenting identity, assay, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

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 bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Acid Value	Contact for details
Melting Point	60 - 70 °C
Loss on Drying	≤ 1.0 %

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