Description

3-tert-Butylphenol (CAS NO 585-34-2) is a versatile alkylated phenol derivative valued for its role as a key chemical intermediate and antioxidant precursor. Its molecular structure, featuring a bulky tert-butyl group, provides steric hindrance and enhanced stability, making it crucial for synthesizing high-performance additives. This compound is essential for manufacturers in the polymer, agrochemical, and specialty chemical industries seeking to improve product longevity and performance.

Application

• Polymer Additives: A primary building block for the synthesis of antioxidants (e.g., hindered phenols) and light stabilizers used in plastics, rubbers, and synthetic fibers to prevent thermal and oxidative degradation.
• Agrochemical Intermediates: Serves as a key precursor in the manufacture of certain pesticides, herbicides, and plant growth regulators, leveraging its phenolic reactivity.
• Pharmaceutical Synthesis: Utilized as an intermediate in the production of specific active pharmaceutical ingredients (APIs) and disinfectants due to its phenolic properties.
• Lubricant & Fuel Additives: Employed in formulating antioxidant and anti-wear additives for engine oils, industrial lubricants, and fuels to enhance stability under harsh operating conditions.
• Resins & Coatings: Acts as a modifier or chain terminator in phenolic resins, epoxy hardeners, and other coating systems to tailor properties like flexibility and curing speed.
• Fragrance & Dye Intermediates: Used in the synthesis of certain fragrance compounds and dye couplers for the cosmetics and textile industries.

Basic Information

Product Name	3-tert-Butylphenol
CAS No.	585-34-2
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	3-(1,1-Dimethylethyl)phenol; 3-Tert-butylphenol; m-tert-Butylphenol; Phenol, 3-(1,1-dimethylethyl)-; 1-Hydroxy-3-tert-butylbenzene; m-(tert-Butyl)phenol; 3-(2-Methyl-2-propyl)phenol; Butylphen (related trade name)
EINECS	209-534-5

Quality Control

Our 3-tert-Butylphenol is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets exacting specifications for use in sensitive applications like polymer stabilization and pharmaceutical synthesis. Certificates of Analysis (COA) detailing purity, impurity profiles, and physical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents. The container should be kept upright to prevent leakage.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.5%
Melting Point	90 - 94 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 1.5%

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