Description

5-tert-Butyl-2-Methylthiophenol is a specialized organosulfur compound featuring a sterically hindered phenolic structure. This molecular architecture is crucial for its role as a high-performance antioxidant and intermediate in the synthesis of advanced materials. It is primarily utilized by industries requiring stabilization against thermal and oxidative degradation. Key sectors include polymer manufacturing, lubricant formulation, and specialty chemical synthesis.

Application

• Polymer Stabilizer: Acts as a highly effective antioxidant and light stabilizer in plastics and synthetic rubbers to prevent chain scission and discoloration.
• Lubricant & Fuel Additive: Used as an antioxidant additive in engine oils, industrial lubricants, and fuels to enhance oxidative stability and extend service life.
• Chemical Intermediate: Serves as a key building block for synthesizing more complex antioxidants, ligands, and pharmaceutical intermediates.
• Resin Modifier: Imparts improved thermal and oxidative resistance to epoxy, phenolic, and other thermosetting resins.
• Rubber Antioxidant: Protects synthetic elastomers like SBR and NBR from heat and oxygen-induced aging during processing and use.

Basic Information

Product Name	5-tert-Butyl-2-Methylthiophenol
CAS No.	7340-90-1
Molecular Formula	C11H16S
Molecular Weight	180.31 g/mol
Synonyms	2-Methyl-5-tert-butylthiophenol; 5-tert-Butyl-2-methylbenzenethiol; 2-(tert-Butyl)-5-methylbenzenethiol; 1-tert-Butyl-4-methyl-2-mercaptobenzene; 2-Methyl-5-(1,1-dimethylethyl)benzenethiol; Antioxidant 736; CAS 7340-90-1
EINECS	Contact for details

Quality Control

Our production of 5-tert-Butyl-2-Methylthiophenol adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to guarantee compliance with your specific application 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). This product is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., nitrogen) is recommended to preserve efficacy.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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