Rubber Antioxidant 2246 CAS 119-47-1
Chemical Name: 2,2′-Methylenebis(6-tert-butyl-4-methylphenol)
Product Name: Rubber Antioxidant 2246; Methylene Bis Butyl Cresol; Antioxidant 2246; Cyanox 2246
CAS No.: 119-47-1
Molecular Fomula: C23H32O2
Molecular Weight: 340.5
Appearance:White or ivory-white powder
related documents:
COA of Rubber Antioxidant 2246
TDS of Rubber Antioxidant 2246
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Rubber Antioxidant 2246 (CAS 119-47-1) Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification | Competitor A | Competitor B |
|---|---|---|---|
| Chemical Name | 2,2′-Methylenebis(6-tert-butyl-p-cresol) | Equivalent compound | Similar formulation |
| CAS Number | 119-47-1 | 119-47-1 | 119-47-1 |
| Purity | ≥99% | 98-99% | 97-98% |
| Melting Point | 125-133°C | 120-130°C | 118-128°C |
| Appearance | White crystalline powder | Off-white powder | Yellowish powder |
2. Key Applications & Performance Advantages
Core Applications:
- Rubber Industry: Natural rubber, SBR, NBR, and EPDM protection
- Plastics: ABS, HIPS, polyolefins (PP/PE), and polyurethane stabilization
- Specialty Uses: Cable insulation, automotive seals, industrial hoses
Performance Benefits:
- Superior heat aging resistance (up to 150°C continuous service)
- Non-staining formula for colored products
- 0.1-1.5% loading achieves optimal protection
- Synergistic effect with thioester antioxidants
3. Recommended Usage Guidelines
| Material Type | Loading Level | Processing Temp | Compatibility Notes |
|---|---|---|---|
| Natural Rubber | 0.5-1.0% | 120-160°C | Combine with 0.2% MB for metal deactivation |
| Synthetic Rubber | 0.3-0.8% | 130-170°C | Use with UV absorbers for outdoor applications |
| Polyolefins | 0.2-0.5% | 180-220°C | Synergize with phosphite processors |
4. Industry Application Cases
Automotive Manufacturing:
Extended door seal lifespan by 40% in accelerated aging tests
Wire & Cable:
Maintained 90% elongation retention after 3,000hrs @ 90°C
5. Client Success Stories
Case 1: Tire Component Supplier
Achieved 18-month shelf life extension for white sidewall compounds
Case 2: Industrial Hose Manufacturer
Reduced warranty claims by 62% through improved flex resistance
6. Technical Consultation & Ordering
Contact our material engineers for formulation optimization:
Email: info@vivalr.com
Tel: (86) 15866781826
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