Description

3,3'-Thiobis(Propionic Acid Decyl) Ester is a sulfur-containing diester compound, valued for its role as a versatile intermediate and functional additive. Its molecular structure provides excellent properties as a plasticizer, stabilizer, and lubricant in polymer systems. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance material performance.

Application

• As a secondary plasticizer and stabilizer in PVC and other polymer formulations.
• As a lubricant and processing aid in the manufacture of plastics and synthetic fibers.
• As a key chemical intermediate for synthesizing more complex sulfur-containing compounds.
• As a functional additive in coatings and adhesives to improve flexibility and durability.
• In the formulation of specialty greases and lubricants for industrial applications.
• As a potential stabilizer component in polyolefins to mitigate degradation.

Basic Information

Product Name	3,3'-Thiobis(Propionic Acid Decyl) Ester
CAS No.	4275-40-5
Molecular Formula	C26H50O4S
Molecular Weight	458.75 g/mol
Synonyms	Didecyl 3,3'-Thiodipropionate; Didecyl Thiodipropionate; Didecyl 3,3'-Thiobis(Propanoate); DTDP; Antioxidant DTDP; Thiodipropionic Acid Didecyl Ester; Decyl 3,3'-Thiobis(Propionate); CAS 4275-40-5
EINECS	224-265-7

Quality Control

Our 3,3'-Thiobis(Propionic Acid Decyl) Ester is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance protocols.

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 and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acidity (as Propionic Acid)	≤ 0.1%
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.460 - 1.470
Specific Gravity (20/20°C)	0.930 - 0.950

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