Description

4-(Methylthio)-3,5-Xylenol CAS NO 7379-51-3 is a specialized phenolic compound featuring a methylthio functional group, which imparts unique chemical properties for advanced synthesis and formulation. This compound is valued for its role as a versatile chemical intermediate and functional additive in high-performance applications. It is primarily sought by manufacturers in the agrochemical, polymer, and specialty chemical industries for developing products with enhanced stability and specific reactivity.

Application

• Agrochemical Intermediates: A key building block in the synthesis of advanced pesticides, herbicides, and fungicides, where its phenolic structure contributes to biological activity.
• Polymer Additives: Used as an antioxidant or stabilizer precursor in plastics and rubber formulations to inhibit degradation and extend material lifespan.
• Pharmaceutical Synthesis: Serves as a sophisticated intermediate in the research and development of active pharmaceutical ingredients (APIs).
• Specialty Chemical Manufacturing: Employed in the production of dyes, pigments, and other performance chemicals requiring specific phenolic reactivity.
• Lubricant and Fuel Additives: Functions as an antioxidant component in industrial lubricants and fuel stabilizers to prevent oxidation.

Basic Information

Product Name	4-(Methylthio)-3,5-Xylenol
CAS No.	7379-51-3
Molecular Formula	C9H12OS
Molecular Weight	168.26 g/mol
Synonyms	3,5-Dimethyl-4-(methylthio)phenol; 4-(Methylmercapto)-3,5-xylenol; 4-Methylthio-3,5-xylenol; Phenol, 3,5-dimethyl-4-(methylthio)-; 4-(Methylsulfanyl)-3,5-dimethylphenol; 3,5-Xylenol, 4-(methylthio)-; 4-Methylmercapto-3,5-xylenol; 4-(Methylthio)-3,5-dimethylphenol
EINECS	230-929-8

Quality Control

Our production of 4-(Methylthio)-3,5-Xylenol adheres to a stringent quality management system to ensure batch-to-batch consistency and reliability. All materials undergo comprehensive analytical testing, including chromatography and spectroscopy, to verify identity, purity, and the absence of critical impurities. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C/59-77°F). Keep away from heat, sparks, and open flame. Ensure the container is kept upright to prevent leakage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	88°C - 92°C
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.