2,4,6-Tri-tert-butylphenol (CAS 732-26-3) Comprehensive Guide
Table of Contents
Product Overview & Specifications
CAS No.: 732-26-3
Molecular Formula: C18H30O
Molecular Weight: 262.43 g/mol
Appearance: White to off-white crystalline powder
Purity: ≥99% (HPLC)
Storage: 2-8°C in airtight containers
Comparative Analysis
| Parameter | 2,4,6-Tri-tert-butylphenol | Standard Phenolic Antioxidants |
|---|---|---|
| Thermal Stability | Up to 300°C | 200-250°C |
| Oxidation Resistance | Superior radical scavenging | Moderate activity |
| Solubility | Organic solvents | Limited compatibility |
Key Industrial Applications
1. Polymer Stabilization
Prevents thermal degradation in polyethylene (PE) and polypropylene (PP) during extrusion processes.
2. Lubricant Additives
Extends oil service life by neutralizing free radicals in engine oils and industrial lubricants.
3. Fuel Stabilization
Reduces gum formation in gasoline and diesel storage tanks.
Industry Case Studies
Case 1: Polyethylene Manufacturing
Challenge: Premature yellowing in PE films
Solution: 0.3% additive in masterbatch
Result: 40% longer UV resistance
Case 2: Industrial Gear Oil
Challenge: Oxidation sludge in heavy machinery
Solution: 1.2% concentration in formulation
Result: 60% reduction in oil changes
Verified Client Implementations
Client A: European Polymer Producer
Application: PP automotive components
Outcome: Achieved 25% cost reduction in stabilizer systems
Client B: Asian Lubricant Manufacturer
Application: Marine engine oils
Outcome: Extended drain intervals by 300 hours
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