Description

3,3'-Thiobis(Propionic Acid Undecyl) Ester is a specialized organic sulfur compound belonging to the class of thioethers and esters. This chemical is valued for its role as a versatile intermediate and additive, offering unique properties derived from its molecular structure. It is primarily sought after by manufacturers in the polymer, lubricant, and specialty chemical industries for applications requiring thermal stability and specific functional group reactivity. The compound is identified by CAS number 4275-41-6.

Application

• Polymer Additive: Acts as a stabilizer, antioxidant, or cross-linking agent in plastic and rubber formulations to enhance durability.
• Lubricant and Grease Formulation: Serves as an extreme pressure (EP) additive or friction modifier in industrial and automotive lubricants.
• Chemical Synthesis Intermediate: Used in the production of more complex sulfur-containing compounds for pharmaceuticals, agrochemicals, or surfactants.
• Adhesive and Sealant Systems: Functions as a plasticizer or property modifier to improve flexibility and adhesion.
• Fuel and Oil Additive: Employed to improve the oxidation stability and performance characteristics of fuels and industrial oils.
• Specialty Surfactants: Can be utilized as a hydrophobic building block in the synthesis of specialty surfactants and emulsifiers.

Basic Information

Product Name	3,3'-Thiobis(Propionic Acid Undecyl) Ester
CAS No.	4275-41-6
Molecular Formula	C28H54O4S
Molecular Weight	486.80 g/mol
Synonyms	Dodecyl 3,3'-thiobis(propionate); Didodecyl 3,3'-thiodipropionate; Dilauryl thiodipropionate; DLTDP; 3,3'-Thiodipropionic acid didodecyl ester; Lauroyl thiodipropionate; Antioxidant DLTDP; CAS 4275-41-6
EINECS	224-273-5

Quality Control

Our production of 3,3'-Thiobis(Propionic Acid Undecyl) Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and industry benchmarks. Certificates of Analysis (COA) documenting purity, physical properties, and test results are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain optimal quality. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white flakes or powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	39 - 42 °C
Acid Value	≤ 1.0 mg KOH/g
Sulfur Content	6.4 - 6.8 %
Heavy Metals (as Pb)	≤ 10 ppm

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