Description

2,2'-Dithiobis[5-(1,1-dimethylethyl)phenol] is a high-purity phenolic antioxidant and sulfur-containing compound. It serves as a critical intermediate and stabilizer, offering excellent performance in preventing oxidative degradation in various materials. This product is essential for manufacturers in the polymer, rubber, and specialty chemical industries seeking to enhance product longevity and stability under demanding conditions.

Application

• Polymer Stabilizer: Acts as a primary or secondary antioxidant in polyolefins (e.g., polyethylene, polypropylene) and other polymers to prevent thermal and oxidative degradation during processing and service life.
• Rubber Additive: Used as an antioxidant and anti-aging agent in the production of synthetic rubbers and elastomers, improving their durability and resistance to environmental stress.
• Lubricant & Fuel Additive: Functions as an antioxidant additive in industrial lubricants, greases, and fuels to inhibit sludge formation and extend operational life.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex sulfur-containing antioxidants, pharmaceuticals, and agrochemicals.
• Adhesive & Sealant Formulations: Incorporated to prevent oxidative cross-linking and maintain the flexibility and adhesive properties of high-performance formulations.
• Coating Systems: Enhances the weatherability and longevity of protective coatings and paints by scavenging free radicals.

Basic Information

Product Name	2,2'-Dithiobis[5-(1,1-dimethylethyl)phenol]
CAS No.	101012-80-0
Molecular Formula	C₂₀H₂₆O₂S₂
Molecular Weight	362.55 g/mol
Synonyms	2,2'-Thiobis(6-tert-butyl-phenol); 6,6'-Di-tert-butyl-2,2'-thiodiphenol; Bis(2-hydroxy-5-tert-butylphenyl) disulfide; Antioxidant 736; Phenolic disulfide antioxidant; 2,2'-Dithiobis(6-tert-butylphenol); 4,4'-Thiobis(2-tert-butyl-5-methylphenol) (related isomer); DTBP
EINECS	Contact for details

Quality Control

Our 2,2'-Dithiobis[5-(1,1-dimethylethyl)phenol] is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and FTIR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters to meet your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame. Isolate from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	155 - 160 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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