Description

2,4-Di-tert-Butylthiophenol is a specialized organosulfur compound featuring a sterically hindered phenolic group. This molecular structure is critical for its role as a high-performance antioxidant and stabilizer in polymer and synthetic material formulations. It is essential for manufacturers in the plastics, rubber, and specialty chemical industries seeking to enhance product longevity and resist thermal and oxidative degradation.

Application

• Polymer Stabilizer: Acts as a primary or secondary antioxidant in polyolefins (e.g., polyethylene, polypropylene) to prevent chain scission and discoloration during processing and service life.
• Rubber Additive: Imparts antioxidant properties to synthetic rubbers and elastomers, protecting against ozone and oxygen-induced aging.
• Lubricant & Fuel Additive: Used as an antioxidant additive in industrial lubricants, greases, and fuels to inhibit sludge formation and viscosity increase.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex antioxidants, phosphite stabilizers, and other specialty chemicals.
• Adhesive & Sealant Formulations: Enhances the thermal stability and shelf-life of high-performance adhesives and sealants.
• UV Stabilizer Synergist: Works in concert with HALS (Hindered Amine Light Stabilizers) and UV absorbers in coatings and plastics for improved weatherability.

Basic Information

Product Name	2,4-Di-tert-Butylthiophenol
CAS No.	19728-43-9
Molecular Formula	C14H22S
Molecular Weight	222.39 g/mol
Synonyms	2,4-Di-tert-butylbenzenethiol; 2,4-Bis(1,1-dimethylethyl)benzenethiol; 2,4-Di-tert-butylthiophenol; Phenol, 2,4-bis(1,1-dimethylethyl)thio-; DBTP; Antioxidant 300; (2,4-Di-tert-butylphenyl)thiol
EINECS	243-289-1

Quality Control

Our production of 2,4-Di-tert-Butylthiophenol adheres to stringent quality management protocols. Every batch is analyzed using advanced techniques like GC and HPLC to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with each shipment to guarantee compliance with your specifications and industry standards.

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 easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., nitrogen) is recommended. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.1%

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