Description

2-Ethylhexyl Hydrogen 3,3'-[(Phenylmethylene)Bis(Thio)]Dipropionate is a specialized organosulfur compound primarily valued for its role as a high-performance antioxidant and stabilizer. Its molecular structure is engineered to effectively inhibit oxidative degradation and thermal breakdown in various polymeric systems. This product is essential for manufacturers in the polymer and plastics industries seeking to enhance the longevity and durability of their materials under demanding conditions.

Application

• Polymer Stabilization: Acts as a primary or secondary antioxidant in polyolefins (PP, PE), PVC, and engineering plastics to prevent thermal and oxidative degradation during processing and end-use.
• Rubber Industry: Used as an antioxidant in synthetic rubber formulations (SBR, BR, NBR) to protect against heat aging and maintain elastomeric properties.
• Adhesives and Sealants: Incorporated to improve the shelf-life and thermal stability of hot-melt and reactive adhesive systems.
• Lubricant and Grease Additive: Serves as an antioxidant additive in industrial lubricants and greases to extend service life by preventing oil thickening and deposit formation.
• Fuel and Petrochemical Additive: Functions as a stabilizer in fuels and hydrocarbon streams to inhibit gum formation and oxidative polymerization.

Basic Information

Product Name	2-Ethylhexyl Hydrogen 3,3'-[(Phenylmethylene)Bis(Thio)]Dipropionate
CAS No.	68109-84-2
Molecular Formula	C24H38O4S2
Molecular Weight	454.67 g/mol
Synonyms	2-Ethylhexyl 3,3'-[(Phenylmethylene)bis(thio)]dipropionate; Bis(2-ethylhexyl) 3,3'-[(Phenylmethylene)bis(thio)]dipropionate; Antioxidant 1035; Irganox 1035; Ethanox 1035; Phenol, 4,4'-thiobis[2-(1,1-dimethylethyl)-5-methyl-, 2-ethylhexyl ester (related structure); Thiodipropionate derivative antioxidant; Light stabilizer 1035
EINECS	Contact for details

Quality Control

Our production of 2-Ethylhexyl Hydrogen 3,3'-[(Phenylmethylene)Bis(Thio)]Dipropionate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and consistent performance benchmarks. Certificates of Analysis (COA) documenting purity, physical properties, and test results are provided with each shipment and are available upon request.

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 heat sources, open flames, and incompatible materials. Under these conditions, the product maintains optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Specific Gravity (20°C)	1.05 - 1.10
Refractive Index (20°C)	1.520 - 1.530
Moisture (KF)	≤ 0.5%

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