Description

2-(1,1-Dimethylethyl)-5-(1-Methylethyl)Phenol is a sterically hindered phenolic compound valued for its antioxidant and stabilizing properties. It is a key intermediate in the synthesis of high-performance antioxidants used to protect polymers, fuels, and lubricants from oxidative degradation. This chemical is essential for manufacturers in the polymer, petrochemical, and specialty chemical industries seeking to enhance product longevity and performance under demanding conditions.

Application

• Primary intermediate for the synthesis of hindered phenolic antioxidants (e.g., Irganox® 1010 analogs).
• Stabilizer precursor for polyolefins (PP, PE) and engineering plastics to prevent thermal and oxidative degradation.
• Additive component in fuel and lubricant formulations to inhibit gum formation and extend service life.
• Building block for specialty chemicals used in coatings, adhesives, and elastomers.
• Used in research and development of novel stabilizer systems for advanced materials.

Basic Information

Product Name	2-(1,1-Dimethylethyl)-5-(1-Methylethyl)Phenol
CAS No.	4151-60-4
Molecular Formula	C13H20O
Molecular Weight	192.30 g/mol
Synonyms	2-tert-Butyl-5-isopropylphenol; 5-Isopropyl-2-tert-butylphenol; Phenol, 2-(1,1-dimethylethyl)-5-(1-methylethyl)-; 2-tert-Butyl-5-(1-methylethyl)phenol; Antioxidant Intermediate 4151-60-4; Butylated Hydroxytoluene (BHT) isomer; 2-t-Butyl-5-isopropylphenol; Phenol, 2-tert-butyl-5-isopropyl-
EINECS	223-983-1

Quality Control

Our production of 2-(1,1-Dimethylethyl)-5-(1-Methylethyl)Phenol adheres to stringent quality management protocols. Every batch is subjected to comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing specific batch results are provided to guarantee traceability and compliance with your technical 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 material is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	55 - 60 °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.