Description

Dodecanedioic Acid Monomethyl Ester is a high-purity, long-chain dicarboxylic acid monoester that serves as a critical building block in advanced polymer synthesis. Its bifunctional nature, featuring both a carboxylic acid and an ester group, provides versatile reactivity for creating tailored macromolecular structures with specific properties. This compound is essential for R&D and production in the specialty polymer, pharmaceutical intermediate, and high-performance lubricant industries, where precise molecular architecture is required.

Application

• Polymer Intermediates: Key monomer for synthesizing polyamides (nylons), polyesters, and other condensation polymers, imparting flexibility and chemical resistance.
• Pharmaceutical Synthesis: Serves as a versatile building block for creating active pharmaceutical ingredients (APIs) and prodrugs, particularly those requiring lipophilic chains.
• Lubricant & Plasticizer Precursor: Used in the production of synthetic esters that function as high-performance lubricant base stocks and specialty plasticizers.
• Corrosion Inhibitor Formulation: Employed as an intermediate in the synthesis of long-chain carboxylate-based corrosion inhibitors for industrial applications.
• Adhesive & Coating Resins: A reactive modifier in alkyd and other resin systems to enhance adhesion, flexibility, and durability.
• Fragrance & Flavor Intermediates: Acts as a starting material for the synthesis of macrocyclic musks and other specialty aroma chemicals.

Basic Information

Product Name	Dodecanedioic Acid Monomethyl Ester
CAS No.	3903-40-0
Molecular Formula	C14H26O4
Molecular Weight	258.36 g/mol
Synonyms	Monomethyl Dodecanedioate; Methyl Hydrogen Dodecanedioate; 12-Methoxy-12-oxododecanoic Acid; Methyl 12-Carboxydodecanoate; Dodecanedioic Acid Methyl Ester; 1-Monomethyl Dodecanedioate; Dodecanedioic Acid Mono-Methyl Ester; Methyl 11-Carboxyundecanoate (related isomer)
EINECS	223-458-5

Quality Control

Our Dodecanedioic Acid Monomethyl 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 specifications for critical applications. A Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Approx. 70 - 75 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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