Description

5-Butyl-o-Cresol is a substituted phenol derivative, specifically a butylated cresol, with the CAS registry number 94134-86-8. This compound serves as a versatile chemical intermediate and antioxidant precursor in the synthesis of high-performance additives. It is primarily utilized by manufacturers in the polymer, lubricant, and specialty chemical industries to enhance product stability and performance.

Application

• Antioxidant Synthesis: A key intermediate in the production of phenolic antioxidants for plastics, rubber, and synthetic fibers to prevent thermal and oxidative degradation.
• Lubricant & Fuel Additives: Used in formulating additives that improve the oxidation stability and extend the service life of industrial lubricants and fuels.
• Polymer Stabilizer: Incorporated into polymer systems, including polyolefins and elastomers, to act as a stabilizer against UV and environmental aging.
• Chemical Intermediate: Serves as a building block in organic synthesis for agrochemicals, pharmaceuticals, and other fine chemicals.
• Resin Modifier: Employed in the modification of phenolic and epoxy resins to alter their physical properties and processing characteristics.

Basic Information

Product Name	5-Butyl-o-Cresol
CAS No.	94134-86-8
Molecular Formula	C11H16O
Molecular Weight	164.24 g/mol
Synonyms	2-Methyl-5-butylphenol; 5-Butyl-2-methylphenol; o-Cresol, 5-butyl-; 2-Hydroxy-5-butyltoluene; Butylated Cresol; 5-tert-Butyl-2-methylphenol (Note: verify isomer); Phenol, 2-methyl-5-butyl-; 5-n-Butyl-2-methylphenol
EINECS	Contact for details

Quality Control

Our 5-Butyl-o-Cresol is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the specifications required for industrial and fine chemical applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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, well-ventilated area at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen to preserve stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	≤ 2.0% total

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