Description

Phenol, 2,5-Bis(1,1-Dimethylethyl)-4-Methyl- is a sterically hindered phenolic compound valued for its antioxidant and stabilizing properties. This chemical is critical for protecting materials from oxidative degradation, thereby extending their functional lifespan and performance. It is primarily required by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance the stability of their formulations.

Application

• Polymer Stabilizer: Acts as a primary antioxidant in polyolefins (e.g., polyethylene, polypropylene) and other polymers to prevent thermal and oxidative degradation during processing and end-use.
• Lubricant & Fuel Additive: Used as an antioxidant additive in industrial lubricants, greases, and fuels to inhibit sludge formation and viscosity increase, ensuring longer service life.
• Rubber Antioxidant: Imparts aging resistance to synthetic rubbers and elastomers, preventing cracking and loss of elasticity.
• Intermediate for Specialty Chemicals: Serves as a key building block in the synthesis of more complex hindered phenol antioxidants and light stabilizers.
• Adhesive & Sealant Formulations: Enhances the shelf-life and thermal stability of adhesive and sealant products.
• Coating Stabilizer: Protects industrial coatings and paints from oxidative yellowing and degradation.

Basic Information

Product Name	Phenol, 2,5-Bis(1,1-Dimethylethyl)-4-Methyl-
CAS No.	17688-83-4
Molecular Formula	C15H24O
Molecular Weight	220.35 g/mol
Synonyms	2,6-Di-tert-butyl-4-methylphenol (DBMP); 2,6-Di-tert-butyl-p-cresol; Butylated hydroxytoluene (BHT) isomer; 2,6-Bis(1,1-dimethylethyl)-4-methylphenol; 4-Methyl-2,6-di-tert-butylphenol; Antioxidant 264 (variant); Ionol CP; DBPC; EINECS 241-695-6
EINECS	241-695-6

Quality Control

Our production of Phenol, 2,5-Bis(1,1-Dimethylethyl)-4-Methyl- adheres to stringent quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available for all shipments to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	69 - 71 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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