Description

1,3,5-Tri-tert-Butyl-2-Methoxybenzene is a sterically hindered phenolic compound, valued for its role as a versatile intermediate and a highly effective antioxidant. Its molecular structure provides excellent stability, making it a critical component for protecting materials from oxidative degradation. This product is essential for manufacturers in the polymer, specialty chemical, and lubricant industries seeking to enhance the longevity and performance of their formulations.

Application

• Polymer Stabilizer: Acts as a primary antioxidant in polyolefins (e.g., polyethylene, polypropylene) and other polymers to prevent thermal and oxidative degradation during processing and service life.
• Lubricant & Fuel Additive: Used as an antioxidant additive in engine oils, industrial lubricants, and fuels to inhibit sludge formation and extend operational lifespan.
• Chemical Intermediate: Serves as a key building block in organic synthesis for producing more complex hindered phenol antioxidants and other specialty chemicals.
• Rubber Industry: Employed as an anti-aging agent in synthetic rubber and elastomers to protect against cracking and loss of elasticity.
• Adhesive & Sealant Formulations: Enhances the shelf-life and durability of adhesives and sealants by preventing oxidative cross-linking and hardening.
• Research & Development: Utilized in academic and industrial R&D for studying antioxidant mechanisms and developing new stabilization systems.

Basic Information

Product Name	1,3,5-Tri-tert-Butyl-2-Methoxybenzene
CAS No.	3975-80-2
Molecular Formula	C19H32O
Molecular Weight	276.46 g/mol
Synonyms	2-Methoxy-1,3,5-tri-tert-butylbenzene; 1,3,5-Tris(1,1-dimethylethyl)-2-methoxybenzene; 2-Methoxy-mesitylene, 1,3,5-tri-tert-butyl-; Tri-tert-butyl-m-anisole; Antioxidant 1790; AO 1790; CAS 3975-80-2
EINECS	223-607-8

Quality Control

Our production of 1,3,5-Tri-tert-Butyl-2-Methoxybenzene adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry benchmarks. A Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

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). Keep away from heat sources and incompatible materials. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	91 - 95 °C
Loss on Drying	≤ 0.5%

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