Description

2,2'-Sulfonylbis(4-tert-Octylphenol) is a high-purity phenolic compound widely utilized as a key intermediate and stabilizer in advanced polymer systems. Its molecular structure provides excellent antioxidant and UV-stabilizing properties, making it critical for enhancing the durability and performance of materials. This product is essential for manufacturers in the polymer, specialty chemical, and coatings industries seeking to improve product longevity under demanding environmental conditions.

Application

• Primary antioxidant and light stabilizer in polyolefins (e.g., polyethylene, polypropylene).
• Intermediate in the synthesis of specialized phenolic resins and high-performance polymers.
• Additive in lubricants and industrial oils to prevent oxidative degradation.
• Stabilizer component in adhesives, sealants, and elastomeric compounds.
• Key raw material for producing other specialty chemicals and hindered phenol derivatives.
• Used in research and development for novel material science applications.

Basic Information

Product Name	2,2'-Sulfonylbis(4-tert-Octylphenol)
CAS No.	15452-89-8
Molecular Formula	C₂₈H₄₂O₄S
Molecular Weight	474.70 g/mol
Synonyms	Bis(4-tert-octylphenyl) sulfone; 4,4'-Sulfonylbis(2-tert-octylphenol); 2,2'-Sulfonylbis[4-(1,1,3,3-tetramethylbutyl)phenol]; Phenol, 2,2'-sulfonylbis[4-(1,1,3,3-tetramethylbutyl)-; Antioxidant 1035; AO 1035; Lowilite 35; Light stabilizer 1035
EINECS	Contact for details

Quality Control

Our 2,2'-Sulfonylbis(4-tert-Octylphenol) is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, melting point, and impurity profiles. We adhere to industry best practices and can support customer-specific quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or opaque containers until use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 105 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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