Description

5-tert-Butyl-2-Methylphenol is a versatile alkylated phenol derivative, valued for its role as a key intermediate and antioxidant precursor in industrial synthesis. Its molecular structure provides effective steric hindrance, making it crucial for applications requiring stability and controlled reactivity. This compound is essential for manufacturers in the polymer, agrochemical, and specialty chemical sectors seeking reliable, high-purity building blocks.

Application

• Antioxidant Intermediate: A primary building block in the synthesis of high-performance phenolic antioxidants for plastics, rubber, and lubricants to prevent oxidative degradation.
• Polymer Industry: Used as a monomer or stabilizer precursor in the production of engineered resins and specialty polymers.
• Agrochemical Synthesis: Serves as a key intermediate in the manufacture of certain pesticides, herbicides, and plant growth regulators.
• Chemical Intermediate: Employed in organic synthesis for introducing the tert-butyl-m-cresol moiety into more complex molecules for pharmaceuticals and dyes.
• UV Stabilizer Precursor: Utilized in the production of light stabilizers for coatings and polymeric materials.
• Fuel & Lubricant Additives: Acts as a starting material for additives that improve the oxidation stability of fuels and industrial oils.

Basic Information

Product Name	5-tert-Butyl-2-Methylphenol
CAS No.	5781-02-2
Molecular Formula	C11H16O
Molecular Weight	164.24 g/mol
Synonyms	2-Methyl-5-tert-butylphenol; 5-tert-Butyl-o-cresol; o-Cresol, 5-tert-butyl-; Butylated Hydroxytoluene (BHT) isomer; 2-(1,1-Dimethylethyl)-5-methylphenol; 5-(1,1-Dimethylethyl)-2-methylphenol; tert-Butyl-m-cresol; NSC 8742
EINECS	227-314-6

Quality Control

Our 5-tert-Butyl-2-Methylphenol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee compliance with your specifications.

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 material is easily oxidized; for long-term storage, consider an inert atmosphere. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	50 - 54 °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.