Description

2-Methyl-4-tert-Octylphenol is a versatile alkylphenol derivative widely used as a key intermediate and functional additive in industrial synthesis. Its molecular structure provides excellent antioxidant and stabilizing properties, making it valuable for protecting materials from degradation. This compound is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product longevity and performance.

Application

• Polymer Stabilizer: Acts as an antioxidant and light stabilizer in plastics and synthetic rubbers to prevent thermal and oxidative degradation during processing and service life.
• Lubricant & Fuel Additive: Used as an antioxidant additive in engine oils, industrial lubricants, and fuels to inhibit sludge formation and extend operational life.
• Chemical Intermediate: Serves as a crucial building block for synthesizing surfactants, resins, and other specialty alkylphenol-based chemicals.
• Adhesive & Sealant Formulation: Imparts stability and prevents premature curing or degradation in adhesive and sealant products.
• Coating Additive: Enhances the durability and weather resistance of paints, varnishes, and protective coatings.
• Research & Development: Utilized in laboratory settings for chemical research and the development of new antioxidant systems.

Basic Information

Product Name	2-Methyl-4-tert-Octylphenol
CAS No.	2219-84-3
Molecular Formula	C15H24O
Molecular Weight	220.35 g/mol
Synonyms	4-tert-Octyl-2-methylphenol; 2-Methyl-4-(1,1,3,3-tetramethylbutyl)phenol; 4-(1,1,3,3-Tetramethylbutyl)-2-methylphenol; 2-Methyl-4-(tert-octyl)phenol; Phenol, 2-methyl-4-(1,1,3,3-tetramethylbutyl)-; Octylated phenol; Alkylated phenol antioxidant
EINECS	218-741-5

Quality Control

Our 2-Methyl-4-tert-Octylphenol is manufactured under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is analyzed to confirm identity, purity, and conformance to agreed specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment and is available upon request.

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 keeping under an inert atmosphere such as nitrogen. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content	≤ 0.2%
Specific Gravity (20°C)	0.930 - 0.950
Refractive Index (20°C)	1.510 - 1.520

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