Description

Elaidic Anhydride CAS NO 55726-25-5 is a high-purity chemical intermediate derived from elaidic acid. This compound is valued for its role as a versatile building block in organic synthesis, particularly in the production of specialized esters, polymers, and surfactants. It is essential for manufacturers in the fine chemicals, polymer additives, and advanced materials sectors seeking reliable, high-quality raw materials for their processes.

Application

• Polymer Chemistry: Used as a monomer or co-monomer in the synthesis of specialty polyesters and polyanhydrides for controlled-release applications.
• Surfactant & Emulsifier Production: Serves as a key intermediate for manufacturing non-ionic surfactants and emulsifiers with specific hydrophobic properties.
• Fine Chemical Synthesis: Acts as a crucial reagent in the preparation of pharmaceutical intermediates, plasticizers, and lubricant additives.
• Research & Development: Employed in academic and industrial R&D for studying reaction mechanisms and developing new materials.
• Cosmetic Ingredients: Utilized in the synthesis of esters that function as emollients or texture enhancers in cosmetic formulations.
• Adhesive & Coating Resins: Incorporated into resin formulations to modify flexibility, adhesion, and chemical resistance.

Basic Information

Product Name	Elaidic Anhydride
CAS No.	55726-25-5
Molecular Formula	C36H66O3
Molecular Weight	546.9 g/mol
Synonyms	trans-9-Octadecenoic Anhydride; Elaidic Acid Anhydride; (E)-9-Octadecenoic Acid Anhydride; Anhydride of Elaidic Acid; 9-Octadecenoic Acid (9E)-, Anhydride; Oleic Acid Anhydride (trans-isomer); trans-Oleic Acid Anhydride
EINECS	Contact for details

Quality Control

Our Elaidic Anhydride is produced under strict quality management systems. 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. Certificates of Analysis (COA) documenting purity and key specifications are available upon request to support your quality assurance protocols.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white solid or waxy mass
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Acid Value	≤ 10.0 mg KOH/g
Water Content (KF)	≤ 0.5%

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