Description

Octadecenedioic Acid is a high-purity, long-chain dicarboxylic acid with significant industrial utility. This compound serves as a versatile building block for synthesizing advanced polymers, lubricants, and specialty chemicals, offering a balance of reactivity and chain length. It is particularly valuable for manufacturers in the polymer, coatings, and personal care industries seeking to enhance product performance through tailored molecular structures.

Application

• Polymer Intermediate: A key monomer for producing polyamides (nylon), polyesters, and other high-performance engineering plastics with improved flexibility and thermal properties.
• Lubricant & Grease Additive: Used in the formulation of synthetic lubricants and metalworking fluids to improve viscosity index, thermal stability, and corrosion resistance.
• Corrosion Inhibitor Precursor: Acts as a starting material for synthesizing effective corrosion inhibitors used in industrial cooling water systems and fuel additives.
• Cosmetic & Personal Care Ingredient: Employed in the synthesis of emollients, surfactants, and viscosity modifiers for lotions, creams, and hair care products.
• Adhesive & Coating Resins: Incorporated into alkyd and epoxy resin formulations to modify curing characteristics, adhesion, and chemical resistance.
• Pharmaceutical Intermediate: Serves as a chiral synthon or building block in the research and development of active pharmaceutical ingredients (APIs).

Basic Information

Product Name	Octadecenedioic Acid
CAS No.	20701-68-2
Molecular Formula	C₁₈H₃₂O₄
Molecular Weight	312.45 g/mol
Synonyms	9-Octadecene-1,18-dioic Acid; Octadec-9-enedioic Acid; 9-Octadecenedioic Acid; cis-9-Octadecenedioic Acid; (Z)-9-Octadecenedioic Acid; Oleic Dicarboxylic Acid; C18:1 Dicarboxylic Acid; Unsaturated C18 Diacid
EINECS	243-999-8

Quality Control

Our Octadecenedioic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	120 - 125 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 10 ppm

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