Antioxidant 697 (CAS 70331-94-1): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Antioxidant 697 (CAS 70331-94-1) is a high-performance phenolic antioxidant widely used in polymers, lubricants, and industrial applications. Key specifications include:
| Parameter | Value |
|---|---|
| Chemical Name | 3,5-Di-tert-butyl-4-hydroxybenzoic acid, hexadecyl ester |
| CAS Number | 70331-94-1 |
| Molecular Formula | C36H62O3 |
| Molecular Weight | 542.88 g/mol |
| Appearance | White crystalline powder |
| Purity | ≥99% |
2. Applications & Use Cases
Primary Applications
- Polymer Stabilization: Prevents thermal oxidation in PP, PE, and ABS.
- Lubricant Additive: Extends oil life in automotive/industrial lubricants.
- Cosmetic Preservative: Enhances shelf life in skincare formulations.
Usage Guidelines
| Application | Recommended Dosage | Processing Temp |
|---|---|---|
| Polymer Processing | 0.1-0.5% w/w | 180-250°C |
| Lubricant Blending | 0.2-1.0% v/v | 50-80°C |
3. Industry Case Studies
Case Study 1: Automotive Polymer Supplier
Client: ABC Polymers (Germany)
Challenge: Degradation in nylon components under high-temperature cycles.
Solution: 0.3% Antioxidant 697 added to masterbatch.
Result: 40% increase in thermal stability at 200°C.
Case Study 2: Industrial Lubricant Manufacturer
Client: XYZ Lubricants (USA)
Challenge: Oxidation sludge in hydraulic oils.
Solution: 0.8% Antioxidant 697 formulation.
Result: 300+ hours extended oxidation induction time (ASTM D6186).
4. Technical Comparison
| Antioxidant | CAS | Molecular Weight | Melting Point | Cost Efficiency |
|---|---|---|---|---|
| 697 (This Product) | 70331-94-1 | 542.88 | 52-55°C | High |
| Antioxidant 1010 | 6683-19-8 | 1,176.6 | 110-125°C | Medium |
5. Request a Quote
For pricing, technical datasheets, or customized formulations:
- Email: info@vivalr.com
- Tel: (86) 15866781826
Global shipping available | ISO 9001-certified production
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