Description

2,4-Di-tert-Butyl-5-Ethylphenol is a sterically hindered phenolic compound that serves as a highly effective intermediate and antioxidant. Its molecular structure provides excellent stability, making it a valuable component for protecting materials against oxidative degradation. This product is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance the longevity and performance of their formulations.

Application

• Primary use as an antioxidant and stabilizer in polymers and plastics, including polyolefins and elastomers.
• Key intermediate in the synthesis of more complex hindered phenol antioxidants and light stabilizers.
• Additive in industrial lubricants and greases to prevent oxidation and extend service life.
• Stabilizing agent in fuels and hydrocarbon-based fluids to inhibit gum formation.
• Used in the production of adhesives, sealants, and coatings to improve thermal and oxidative resistance.
• Component in rubber compounding to protect against heat aging and maintain elasticity.

Basic Information

Product Name	2,4-Di-tert-Butyl-5-Ethylphenol
CAS No.	19245-41-1
Molecular Formula	C₁₆H₂₆O
Molecular Weight	234.38 g/mol
Synonyms	5-Ethyl-2,4-di-tert-butylphenol; 2,4-Bis(1,1-dimethylethyl)-5-ethylphenol; Ethyl Di-tert-butylphenol; Phenol, 2,4-bis(1,1-dimethylethyl)-5-ethyl-; Antioxidant 702; AO 702; DBEP
EINECS	242-904-5

Quality Control

Our production of 2,4-Di-tert-Butyl-5-Ethylphenol adheres to stringent quality management protocols. Every batch is analyzed using advanced techniques like GC and HPLC to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee it meets your specific application 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). Due to its nature as an easily oxidized compound, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Melting Point	44 - 48 °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.