Description

4,6-Di-tert-Butyl-m-Cresol is a high-purity phenolic antioxidant widely recognized for its effectiveness in stabilizing organic materials against oxidative degradation. This compound is critical for extending the service life and maintaining the performance integrity of polymers, fuels, and other sensitive formulations. It is an essential raw material for manufacturers in the plastics, rubber, lubricant, and specialty chemical industries seeking reliable protection against thermal and oxidative stress.

Application

• Primary antioxidant in polyolefins (polyethylene, polypropylene) and other polymers to prevent chain scission and discoloration.
• Stabilizer for synthetic rubbers and elastomers to retain elasticity and physical properties.
• Additive in gasoline, jet fuels, and lubricating oils to inhibit gum formation and oxidative breakdown.
• Intermediate in the synthesis of more complex hindered phenol antioxidants and light stabilizers.
• Stabilizing agent for adhesives, sealants, and coatings to enhance durability.
• Protective additive in transformer oils and other industrial fluids.

Basic Information

Product Name	4,6-Di-tert-Butyl-m-Cresol
CAS No.	497-39-2
Molecular Formula	C15H24O
Molecular Weight	220.35 g/mol
Synonyms	2,4-Di-tert-butyl-5-methylphenol; DBMP; 2,4-Di-tert-butyl-5-methylphenol; Butylated Hydroxytoluene isomer; 3-Methyl-2,6-di-tert-butylphenol; Antioxidant DBMP; m-Cresol, 4,6-di-tert-butyl-; Phenol, 2,4-di-tert-butyl-5-methyl-
EINECS	207-841-2

Quality Control

Our 4,6-Di-tert-Butyl-m-Cresol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets the high standards required for industrial and specialty applications. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with each shipment to guarantee traceability and consistency.

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 product is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.5%
Melting Point	70 - 74 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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