Description

11-(Ethylthio)Undecanoic Acid is a specialized organic compound featuring a long alkyl chain terminated with a carboxylic acid group and an internal thioether linkage. This unique bifunctional structure makes it a valuable intermediate for synthesizing surfactants, lubricant additives, and functional polymers. It is particularly sought after by R&D chemists and production engineers in the fine chemical, specialty materials, and pharmaceutical industries for creating novel molecules with tailored properties.

Application

• Surfactant & Detergent Intermediate: Serves as a key building block for synthesizing anionic and nonionic surfactants with specific hydrophilic-lipophilic balance (HLB) values.
• Lubricant & Fuel Additive Precursor: Used to develop extreme pressure (EP) additives, friction modifiers, and corrosion inhibitors for advanced lubricant formulations.
• Polymer Modification Agent: Acts as a monomer or chain-transfer agent in the production of specialty polymers, imparting sulfur-containing functionalities to alter material properties.
• Pharmaceutical & Agrochemical Synthesis: Functions as a versatile synthon in the research and development of active pharmaceutical ingredients (APIs) and crop protection agents.
• Surface Coating & Adhesive Formulation: Employed to create adhesion promoters and cross-linking agents for coatings, sealants, and adhesive systems.
• Chemical Research & Development: A valuable tool for organic synthesis in academic and industrial labs exploring new sulfur-containing compounds.

Basic Information

Product Name	11-(Ethylthio)Undecanoic Acid
CAS No.	114019-70-4
Molecular Formula	C₁₃H₂₆O₂S
Molecular Weight	246.41 g/mol
Synonyms	11-(Ethylthio)undecanoic acid; Undecanoic acid, 11-(ethylthio)-; 11-(Ethylsulfanyl)undecanoic acid; 11-(Ethylmercapto)undecanoic acid; 11-(Ethylthio)hendecanoic acid; ETUA; 11-(Ethylthio)undecoic acid
EINECS	Contact for details

Quality Control

Our 11-(Ethylthio)Undecanoic Acid is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets precise customer specifications and consistent high-quality standards. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, identity, and impurity profiles.

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). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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