Specification
Antioxidant 1076 is a high-performance, efficient hindered phenolic primary antioxidant. It has stable chemical properties and offers significant advantages such as low volatility, good extraction resistance, high thermal stability, low migration, no discoloration, and no pollution. Its molecular structure contains a long carbon chain (stearyl ester group), which imparts good migration resistance and long-term stability. As one of the most widely used antioxidant varieties, it effectively prevents thermo-oxidative degradation of polymer materials during processing and service life, significantly extending the service life of products.
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Molecular Formula: C35H62O3 |
Molecular Weight: 530.87 |
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CAS No: 2082-79-3 |
Appearance: White Powder |
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Assay: 98% |
Melting point(℃): 49-54℃ |
Features
Antioxidant AO 1076 is Highly efficient, non discoloring stabilizer, odorless, stable to light and has excellent color retention. It has good compatibility with most substrates, low volatility and high resistance to extraction.
Applications
Antioxidant AO1076 can be applied in polyolefins such as polyethylene, polypropylene, polybutene-1 as well as in other polymers such as engineering plastics, styrene homo- and copolymers, polyurethanes, elastomers, adhesives, and other organic substrates.
FDA Compliance
Antioxidant 1076 has received broad FDA clearance for use in food contact materials. The specific application restrictions are as follows:
| Application | Maximum Concentration | Food Type |
|---|---|---|
| Olefin polymers (177.1520c) | 0.25% | All foods |
| Polystyrene and rubber-modified polystyrene (177.1640) | 0.25% | Except fatty foods |
| ABS copolymers | 0.5% | All foods |
| Polycarbonate resins (177.1580) | 0.3% | Use at room temperature and below |
| EVA copolymers (177.1350) | 0.1% | All foods |
| Adhesives (175.105) | No limit | No limit |
| Rubber articles (177.2600) | 0.5% | No limit |
Comparison with Antioxidant 1010
| Feature | Antioxidant 1076 | Antioxidant 1010 |
|---|---|---|
| Molecular Weight | 530.9 | 1177.65 |
| Melting Point | 50–55°C | 110–125°C |
| Characteristics | Low melting point, easy dispersion, high cost-performance ratio | High molecular weight, better migration resistance |
| Applications | Conventional processing, general purpose | High-temperature and long-term requirements (e.g., cable compounds) |
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