Description

9-Thiastearic Acid is a sulfur-containing fatty acid derivative, offering a unique combination of lipophilic character and a reactive thioether group. This compound is valued for its role as a versatile intermediate in the synthesis of specialized surfactants, lubricant additives, and functional polymers. It is particularly relevant for R&D and production in the pharmaceutical, agrochemical, and specialty chemical industries, where its structure enables the creation of novel materials with tailored properties.

Application

• Chemical Intermediate: Key building block for synthesizing sulfur-functionalized surfactants and emulsifiers.
• Lubricant & Fuel Additive Precursor: Used in the development of extreme pressure (EP) additives and anti-wear agents.
• Polymer Modification: Serves as a monomer or cross-linking agent for producing specialty polymers with enhanced characteristics.
• Pharmaceutical Research: Employed in medicinal chemistry for the design of novel drug candidates and prodrugs.
• Agrochemical Synthesis: Intermediate in the production of certain herbicides and plant growth regulators.
• Surface Science & Coatings: Used to create self-assembled monolayers (SAMs) and modify surface properties.

Basic Information

Product Name	9-Thiastearic Acid
CAS No.	106689-24-1
Molecular Formula	C₁₈H₃₆O₂S
Molecular Weight	316.54 g/mol
Synonyms	9-Thiaoctadecanoic Acid; 9-(Octylthio)octadecanoic Acid; Octadecanoic acid, 9-(octylthio)-; 9-(Octylsulfanyl)octadecanoic Acid; 9-Octylthiooctadecanoic Acid; 9-Thia Stearic Acid
EINECS	Contact for details

Quality Control

Our 9-Thiastearic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise customer and research-grade specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, appearance, and impurity profile.

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.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details

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