Description

3-Oxooctadecanedioic Acid Dimethyl Ester is a high-purity diester compound with a defined keto-diacid structure, serving as a versatile synthetic intermediate. Its value lies in providing a controlled molecular framework for constructing complex organic molecules, particularly in advanced material and pharmaceutical synthesis. This product is essential for R&D chemists and process engineers in the fine chemical, pharmaceutical, and specialty polymer industries seeking reliable building blocks for innovative applications.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those requiring long-chain aliphatic backbones.
• Fine Chemical Synthesis: Serves as a precursor for producing specialty chemicals, including surfactants, lubricant additives, and corrosion inhibitors.
• Polymer & Material Science: Used in the development of novel polyesters, polyamides, and other functional polymers where its keto and ester groups offer sites for further modification.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for studying condensation reactions, cyclization processes, and as a model compound in methodology development.
• Flavor & Fragrance Industry: Potential intermediate for the synthesis of macrocyclic musk compounds and other fragrance ingredients.

Basic Information

Product Name	3-Oxooctadecanedioic Acid Dimethyl Ester
CAS No.	55191-33-8
Molecular Formula	C₂₀H₃₆O₅
Molecular Weight	356.50 g/mol
Synonyms	Dimethyl 3-Oxooctadecanedioate; Dimethyl 3-Ketooctadecanedioate; Octadecanedioic Acid, 3-Oxo-, Dimethyl Ester; 3-Ketooctadecanedioic Acid Dimethyl Ester; Propanedioic Acid, (1-Oxoheptadecyl)-, Dimethyl Ester; Methyl 3-Oxoheptadecanedioate
EINECS	Contact for details

Quality Control

Our 3-Oxooctadecanedioic Acid Dimethyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible materials such as strong bases and oxidizing agents. The product should be handled in accordance with good laboratory/industrial hygiene and safety practices.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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