Description

4-Mercapto-2,3,6-Trimethylphenol is a specialized phenolic thiol compound with a unique chemical structure that combines a mercapto group with a sterically hindered phenol. This combination makes it a valuable intermediate and functional additive in advanced material synthesis. It is primarily sought after by R&D and production teams in the pharmaceutical and polymer industries for its role in creating high-performance antioxidants, stabilizers, and as a building block for complex organic molecules.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of active pharmaceutical ingredients (APIs), particularly those requiring a hindered phenolic antioxidant moiety.
• Polymer Stabilizer/Antioxidant: Acts as a highly effective primary antioxidant and radical scavenger in plastics, rubbers, and synthetic fibers to prevent thermal and oxidative degradation.
• Lubricant & Fuel Additive: Used as an antioxidant additive in high-performance lubricating oils, greases, and fuels to extend service life and improve stability.
• Chemical Synthesis: Employed as a versatile building block in organic synthesis for the introduction of thiol and phenolic functionalities into target molecules.
• Photoresist & Electronic Chemicals: Finds application in the formulation of advanced photoresists and other electronic materials due to its specific reactivity.
• Adhesive & Sealant Formulations: Incorporated as a stabilizer and cross-linking agent in specialty adhesive and sealant systems to enhance durability.

Basic Information

Product Name	4-Mercapto-2,3,6-Trimethylphenol
CAS No.	85460-73-7
Molecular Formula	C9H12OS
Molecular Weight	168.26 g/mol
Synonyms	2,3,6-Trimethyl-4-mercaptophenol; 4-Hydroxy-2,3,6-trimethylbenzenethiol; 4-Mercapto-2,3,6-trimethylphenol; Phenol, 4-mercapto-2,3,6-trimethyl-; 2,3,6-Trimethylphenol-4-thiol
EINECS	Contact for details

Quality Control

Our production of 4-Mercapto-2,3,6-Trimethylphenol adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided as standard, ensuring full traceability and compliance with your internal quality 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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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