Description

Didodecanoic Acid Thiobis(2,1-Ethanediyl) Ester is a specialized organosulfur compound functioning as a high-performance lubricant additive and chemical intermediate. Its molecular structure provides excellent thermal stability and anti-wear properties, making it a critical component for enhancing the performance and longevity of advanced formulations. This ester is primarily utilized by manufacturers in the lubricants, polymers, and specialty chemicals industries seeking to improve product durability under extreme conditions.

Application

• As a multifunctional extreme pressure (EP) additive and anti-wear agent in synthetic lubricants and greases.
• As a plasticizer and stabilizer in the production of specialty polymers and elastomers.
• As a key chemical intermediate in the synthesis of more complex sulfur-containing surfactants and functional fluids.
• As a corrosion inhibitor component in metalworking fluids and industrial coatings.
• In the formulation of high-temperature lubricants for automotive, aerospace, and industrial machinery.
• As a viscosity modifier for enhancing the performance profile of base oils.

Basic Information

Product Name	Didodecanoic Acid Thiobis(2,1-Ethanediyl) Ester
CAS No.	4275-31-4
Molecular Formula	C26H50O4S
Molecular Weight	458.75 g/mol
Synonyms	Bis(2-hydroxyethyl) sulfide didodecanoate; 2,2'-Thiobisethanol didodecanoate; Dodecanoic acid, 2,2'-thiobis[1,1-ethanediyl] ester; Lauric acid, ester with 2,2'-thiobisethanol; Thiobis(2,1-ethanediyl) didodecanoate; 2,2'-Thiodiethylene bis(dodecanoate); Bis(2-lauroyloxyethyl) sulfide; Thiodiglycol dilaurate
EINECS	224-265-8

Quality Control

Our Didodecanoic Acid Thiobis(2,1-Ethanediyl) Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency meet defined specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to minimize moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Moisture (KF)	≤ 0.2%
Specific Gravity (20°C)	0.92 - 0.96
Refractive Index (20°C)	1.450 - 1.460

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