Description

3,5-Di-tert-Butyl-4-Hydroxytoluene is a high-performance phenolic antioxidant widely recognized for its efficacy in stabilizing organic materials against oxidative degradation. This compound is critical for extending the service life and maintaining the physical properties of polymers, fuels, and other industrial products. It is an essential additive for manufacturers in the plastics, rubber, lubricant, and fuel industries seeking to prevent premature aging and failure of their materials.

Application

• Primary antioxidant for polyolefins (e.g., PP, PE) to prevent thermal and oxidative degradation during processing and end-use.
• Stabilizer for synthetic rubbers and elastomers to retain elasticity and prevent cracking.
• Additive in lubricating oils and greases to inhibit oxidation and sludge formation, extending oil life.
• Stabilizer for gasoline and jet fuels to prevent gum formation and maintain fuel quality during storage.
• Antioxidant in adhesives, sealants, and coatings to enhance durability and performance stability.
• Intermediate in the synthesis of more complex hindered phenol antioxidants and light stabilizers.
• Stabilizing component in hot-melt adhesives and other thermoplastic formulations.

Basic Information

Product Name	3,5-Di-tert-Butyl-4-Hydroxytoluene
CAS No.	950-56-1
Molecular Formula	C15H24O
Molecular Weight	220.35 g/mol
Synonyms	2,6-Di-tert-butyl-p-cresol; Butylated Hydroxytoluene (BHT); DBPC; 2,6-Di-tert-butyl-4-methylphenol; Ionol; Antioxidant 264; Vulkanox KB; 4-Methyl-2,6-di-tert-butylphenol; E321
EINECS	213-455-7

Quality Control

Our production of 3,5-Di-tert-Butyl-4-Hydroxytoluene adheres to stringent quality management systems. Every batch is tested against rigorous in-house specifications to ensure consistent purity, performance, and safety. Certificates of Analysis (COA) documenting key parameters such as assay, melting point, and impurity profiles are provided and available upon request 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 strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0 %
Melting Point	69 - 71 °C
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm

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