Description

1,11-Undecanedicarboxylic Acid is a high-purity, long-chain dicarboxylic acid with a linear C13 backbone, offering a versatile building block for advanced polymer synthesis and fine chemical manufacturing. Its extended hydrocarbon chain provides unique properties for creating materials with enhanced flexibility, hydrophobicity, and thermal stability. This compound is essential for R&D and production in the polymer, lubricant, and specialty chemical industries, where precise molecular architecture is critical for performance.

Application

• Polymer Synthesis: A key monomer for producing high-performance polyamides (nylon-13,13), polyesters, and other condensation polymers, imparting superior mechanical and thermal properties.
• Lubricant & Grease Additives: Used in the formulation of synthetic esters and complex greases to improve viscosity index, low-temperature fluidity, and lubricity.
• Corrosion Inhibitors: Serves as an intermediate for manufacturing long-chain corrosion inhibitors used in industrial fluids and coatings.
• Plasticizers: Acts as a precursor for ester-based plasticizers, enhancing the flexibility and durability of PVC and other polymers.
• Fine Chemical Intermediates: A valuable building block in pharmaceutical and agrochemical research for synthesizing complex molecules with specific chain lengths.
• Adhesives & Sealants: Contributes to the production of polyamide hot-melt adhesives with excellent adhesion and heat resistance.
• Cosmetic Ingredients: Used in the synthesis of emollients and thickeners for personal care formulations.
• Metalworking Fluids: An intermediate for additives that provide lubrication and rust protection in cutting and grinding fluids.

Basic Information

Product Name	1,11-Undecanedicarboxylic Acid
CAS No.	505-52-2
Molecular Formula	C13H24O4
Molecular Weight	244.33 g/mol
Synonyms	Tridecanedioic Acid; 1,11-Undecanedioic Acid; Undecane-1,11-dicarboxylic Acid; Brassylic Acid (C13); C13 Dicarboxylic Acid; α,ω-Tridecanedioic Acid; Tridecanedioic-1,13-dioic Acid; 1,13-Tridecanedioic Acid
EINECS	208-011-3

Quality Control

Our 1,11-Undecanedicarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and physical property verification, to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing all relevant specifications. We support compliance with global regulatory frameworks, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	110 - 114 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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