Description

4-tert-Butyl-2-Phenylphenol is a sterically hindered phenolic compound widely recognized for its antioxidant and stabilizing properties. This chemical is crucial for enhancing the durability and performance of materials by inhibiting oxidative degradation. It serves as a key intermediate and functional additive for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to improve product longevity and stability.

Application

• Polymer Stabilizer: Acts as an antioxidant and light stabilizer in plastics and synthetic rubbers to prevent thermal and UV-induced degradation.
• Lubricant Additive: Used in industrial oils and greases to inhibit oxidation, extending service life and maintaining viscosity.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex antioxidants, UV absorbers, and other specialty chemicals.
• Adhesive & Sealant Formulations: Enhances the shelf-life and performance stability of adhesive products by preventing resin oxidation.
• Fuel & Petroleum Additive: Functions as an antioxidant in fuels and transformer oils to improve oxidative stability.
• Coating & Paint Industry: Incorporated into coatings to protect against yellowing and embrittlement caused by environmental exposure.

Basic Information

Product Name	4-tert-Butyl-2-Phenylphenol
CAS No.	577-92-4
Molecular Formula	C₁₆H₁₈O
Molecular Weight	226.31 g/mol
Synonyms	2-Phenyl-4-tert-butylphenol; 4-(1,1-Dimethylethyl)-2-phenylphenol; 4-tert-Butyl-2-phenylphenol; o-Phenyl-p-tert-butylphenol; 2-Hydroxy-5-tert-butylbiphenyl; Antioxidant BB; BPH; NSC 403697; Phenol, 4-(1,1-dimethylethyl)-2-phenyl-
EINECS	209-419-4

Quality Control

Our 4-tert-Butyl-2-Phenylphenol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with each shipment to guarantee traceability and compliance.

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). Due to its nature of being easily oxidized, 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
Assay (HPLC)	≥ 98.0%
Melting Point	92 - 96 °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.