Description

11-Butylsulfanylundecanoic Acid is a specialized organic compound featuring a long aliphatic chain terminated with a carboxylic acid group and a butylthio (sulfide) moiety. This unique bifunctional structure makes it a valuable intermediate for synthesizing surfactants, lubricant additives, and surface-modifying agents. It is primarily utilized by manufacturers in the polymer, specialty chemical, and advanced materials industries for creating custom molecules with specific hydrophobic and surface-active properties.

Application

• Polymer Additive Synthesis: Acts as a key intermediate for producing specialized plasticizers, stabilizers, and compatibilizers to modify polymer properties.
• Surfactant & Detergent Industry: Serves as a building block for synthesizing novel anionic and nonionic surfactants with tailored chain lengths for industrial and institutional cleaning formulations.
• Lubricant & Fuel Additives: Used in the development of extreme pressure (EP) additives and friction modifiers for advanced lubricating oils and functional fluids.
• Surface Modification Agent: Employed in the functionalization of nanoparticles, pigments, and other materials to alter surface characteristics and improve dispersion.
• Chemical Intermediate: A versatile precursor in organic synthesis for pharmaceuticals, agrochemicals, and other fine chemicals requiring a long-chain thioether-acid functionality.
• Research & Development: Used in academic and industrial R&D labs for exploring new chemical entities and material science applications.

Basic Information

Product Name	11-Butylsulfanylundecanoic Acid
CAS No.	4230-06-2
Molecular Formula	C₁₅H₃₀O₂S
Molecular Weight	274.47 g/mol
Synonyms	11-(Butylthio)undecanoic Acid; Undecanoic acid, 11-(butylthio)-; 11-Butylmercaptoundecanoic Acid; 11-(Butylsulfanyl)undecanoic Acid; 11-(Butylthio)undecanoic acid; 11-(n-Butylthio)undecanoic Acid; 11-(Butylsulfanyl)undecanoic acid; 11-(Butylsulfanyl)undecanoic acid
EINECS	224-185-8

Quality Control

Our production of 11-Butylsulfanylundecanoic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon to preserve stability and prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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