Description

3,5-Diisobutylphenol is a substituted phenol derivative of significant industrial interest. This compound serves as a versatile intermediate and functional additive, valued for its sterically hindered phenolic structure. It is primarily utilized in the production of antioxidants, polymer stabilizers, and specialty chemicals across several high-value manufacturing sectors.

Application

• Antioxidant Synthesis: A key intermediate in the manufacture of high-performance phenolic antioxidants used in plastics, rubber, and lubricants to prevent oxidative degradation.
• Polymer Stabilizers: Used to produce light and heat stabilizers for polymers like polyolefins (PP, PE), enhancing product longevity and performance.
• Pharmaceutical Intermediates: Employed in the synthesis of certain active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Intermediates: Serves as a building block for the production of certain herbicides, pesticides, and plant growth regulators.
• Surfactants and Emulsifiers: Acts as a hydrophobic precursor in the synthesis of non-ionic surfactants for industrial and specialty applications.
• UV Absorbers: A raw material in the production of ultraviolet light absorbers for coatings and polymer applications.
• Fuel and Lubricant Additives: Used to develop additives that improve the oxidation stability of fuels and industrial lubricants.
• Research & Development: Utilized in chemical research as a model compound or reagent in organic synthesis and material science studies.

Basic Information

Product Name	3,5-Diisobutylphenol
CAS No.	52348-52-4
Molecular Formula	C14H22O
Molecular Weight	206.32 g/mol
Synonyms	3,5-Bis(2-methylpropyl)phenol; Phenol, 3,5-bis(2-methylpropyl)-; 3,5-Di(2-methylpropyl)phenol; 3,5-Diisobutyl-phenol; DIISOBUTYLPHENOL; 3,5-Diisobutyl phenol
EINECS	257-856-6

Quality Control

Our 3,5-Diisobutylphenol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC/HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C/59-77°F) under an inert atmosphere (e.g., nitrogen) to minimize oxidation. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.2%
Related Substances (GC/HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%
Specific Gravity (20°C)	0.930 - 0.950
Refractive Index (20°C)	1.495 - 1.505

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