Description

11-Dodecylsulfanylundecanoic Acid is a specialized long-chain fatty acid derivative featuring a terminal thioether linkage. This unique bifunctional structure, combining a carboxylic acid head with a lipophilic alkylthio tail, makes it a valuable intermediate for synthesizing advanced materials and surface-active agents. It is particularly sought after by researchers and manufacturers in the pharmaceutical, polymer, and specialty chemical industries for applications requiring precise molecular design and functionalization.

Application

• Polymer Science: As a functional monomer or chain-transfer agent for the synthesis of novel polyesters, polyamides, and other specialty polymers with tailored surface properties.
• Surface Modification: Used to create self-assembled monolayers (SAMs) on metal or metal oxide surfaces for corrosion inhibition, lubrication, or to alter surface wettability.
• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of prodrugs or bioactive molecules where controlled lipophilicity and release profiles are desired.
• Lubricant & Fuel Additives: Acts as a precursor for high-performance additives that improve lubricity, reduce wear, or act as detergents in formulated products.
• Nanomaterial Functionalization: Employed to coat or functionalize nanoparticles (e.g., gold, iron oxide) to enhance dispersion stability and biocompatibility for diagnostic or therapeutic applications.
• Specialty Surfactants: A precursor for synthesizing non-ionic or anionic surfactants with unique micellar properties for demanding formulations.

Basic Information

Product Name	11-Dodecylsulfanylundecanoic Acid
CAS No.	5454-93-3
Molecular Formula	C23H46O2S
Molecular Weight	386.68 g/mol
Synonyms	11-(Dodecylthio)undecanoic Acid; Undecanoic acid, 11-(dodecylthio)-; 11-Dodecylthio-undecanoic acid; Dodecyl 11-mercaptoundecanoate (related); 11-Mercaptoundecanoic acid dodecyl ester (related); Thioether C23 fatty acid; Long-chain thioether carboxylic acid
EINECS	226-704-6

Quality Control

Our 11-Dodecylsulfanylundecanoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes data from techniques such as HPLC, GC, NMR, and titration. Our quality commitment ensures the material is suitable for demanding research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. For long-term storage, consider storing under an inert atmosphere to minimize potential oxidation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	< 20 ppm

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