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| CAS No.: | 6683-19-8 |
| Formula: | C73h108o12 |
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| Item | Information |
|---|---|
| IUPAC Name | Antioxidant 1010 |
| Other Common Names | BHPM |
| CAS Number | 6683-19-8 |
| Molecular Formula | C73H108O12 |
| Molecular Weight | 1177.66 |
1. Chemical Identity
Chemical Name: Pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate)
Common Name: Antioxidant 1010
CAS Registry Number: 6683-19-8
EC Number: 229-722-6
Molecular Weight: 1177.65 g/mol
2. Physical Properties
Appearance: White to off-white, crystalline powder or granules.
Melting Point: 110 - 125 °C
Solubility: Soluble in chloroform, acetone, ethyl acetate; slightly soluble in alcohols (ethanol, methanol); insoluble in water.
Volatility: Extremely low volatility due to its high molecular weight.
Antioxidant 1010 is considered a benchmark and high-performance product in its class.
Excellent Processing Stability: Provides superior protection against thermal degradation during high-temperature polymer processing (e.g., extrusion, injection molding).
Long-Term Thermal Stability: Effectively retards oxidative aging of polymers during end-use, extending service life.
Low Volatility & Migration: Its high molecular weight ensures it remains in the polymer matrix, leading to long-lasting effectiveness and compliance with regulations for food contact and low-fogging applications.
Good Compatibility: Exhibits excellent compatibility with a wide range of polymers, causing minimal discoloration.
Synergistic Effects: Almost always used in combination with a secondary antioxidant (typically a Phosphite, e.g., Antioxidant 168) for a comprehensive stabilization system. The phenol (1010) scavenges radicals, while the phosphite decomposes hydroperoxides.
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