Description

4-Methoxy-3-tert-Butyl-Phenol is a high-purity phenolic compound widely utilized as a versatile intermediate and antioxidant. Its molecular structure provides excellent stability, making it a critical component for enhancing product longevity and performance in demanding formulations. This product is essential for manufacturers in the polymer, agrochemical, and specialty chemical industries seeking reliable, high-quality raw materials for synthesis and stabilization applications.

Application

• Polymer Additive: Acts as a highly effective antioxidant and stabilizer in plastics, synthetic rubbers, and elastomers to prevent thermal and oxidative degradation.
• Agrochemical Intermediate: Serves as a key building block in the synthesis of advanced crop protection agents, including certain herbicides and fungicides.
• Lubricant & Fuel Stabilizer: Used in formulations to inhibit oxidation and extend the service life of industrial lubricants, greases, and fuels.
• Chemical Synthesis: A versatile phenolic intermediate for producing more complex molecules in pharmaceutical and fine chemical research.
• UV Stabilizer Precursor: Employed in the manufacture of light stabilizers for coatings, adhesives, and polymer products exposed to sunlight.

Basic Information

Product Name	4-Methoxy-3-tert-Butyl-Phenol
CAS No.	8003-24-5
Molecular Formula	C12H18O2
Molecular Weight	194.27 g/mol
Synonyms	3-tert-Butyl-4-methoxyphenol; 4-Methoxy-3-(1,1-dimethylethyl)phenol; 3-(tert-Butyl)-4-methoxyphenol; 4-Hydroxy-2-tert-butyl-5-methoxybenzene; Butylated hydroxyanisole (BHA) related isomer; Antioxidant 4-Methoxy-3-tert-butylphenol; Phenol, 4-methoxy-3-(1,1-dimethylethyl)-
EINECS	Contact for details

Quality Control

Our 4-Methoxy-3-tert-Butyl-Phenol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets precise purity and consistency standards. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee compliance with your specifications.

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 and should be kept under an inert atmosphere for long-term storage. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	61 - 65 °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.