Antioxidant 8330
- CAS No.77745-66-5
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
Antioxidant 8330 is a phenol-free phosphite ester designed for high-performance PVC and polyurethane applications, offering superior hydrolytic stability and low volatility.
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Product Overview
Antioxidant 8330, chemically known as Tris(11-methyldodecyl) phosphite or Triisotridecyl phosphite (TTDP), represents a advanced class of phenol-free phosphite esters designed for demanding polymer stabilization. As a high molecular weight alkyl phosphite, this specialty chemical serves as a critical secondary antioxidant and hydroperoxide decomposer in various plastic and coating formulations. Its unique structural composition ensures exceptional performance in environments where traditional antioxidants may fail due to volatility or hydrolytic instability.
Our manufacturing process guarantees high purity levels, making Antioxidant 8330 an ideal choice for manufacturers seeking environmentally friendly additives without compromising on processing efficiency. The compound is specifically engineered to maintain clarity and color stability in finished products, which is essential for high-end transparent applications.
Key Performance Features
- Superior Hydrolytic Stability: Resists breakdown during processing and storage, ensuring long-term efficacy.
- Low Volatility: High molecular weight reduces loss during high-temperature extrusion or molding.
- Phenol-Free Formulation: Eliminates risks associated with phenolic discoloration, suitable for light-colored products.
- Synergistic Effects: Works effectively alongside mixed metal heat stabilizers, particularly in rigid and flexible PVC systems.
- Environmental Compliance: Formulated to meet modern regulatory standards for safe industrial additives.
Technical Specifications
| Test Parameter | Unit | Specification |
|---|---|---|
| Appearance | - | Clear Liquid |
| Density (25℃) | g/cm3 | 0.875-0.900 |
| Refractive Index (25℃) | - | 1.4575-1.4700 |
| Acid Value (NaOH mg/g) | mg/g | 0.10 Max |
| Color (Pt-Co) | - | 50 Max |
| Molecular Formula | - | C39H81O3P |
| Molecular Weight | - | 629.03 |
Industrial Applications
Antioxidant 8330 is versatile and widely utilized across multiple polymer processing sectors. Its primary application lies in PVC film production, where it prevents degradation during high-heat processing and extends the service life of the material. Additionally, it is highly effective in polyurethane films and adhesives, providing stability against oxidative stress.
In the coatings industry, specifically PUR coatings, this phosphite ester enhances durability and maintains gloss retention. The typical dosage level ranges from 0.25 to 1.00 percent, depending on the specific formulation requirements and processing conditions. Manufacturers benefit from improved throughput and reduced scrap rates due to the additive's robust thermal stability.
Handling And Storage
To maintain optimal quality, keep containers tightly closed in a cool, dry place away from direct sunlight and moisture. Proper storage prevents hydrolysis and ensures the product remains within specification until use. We recommend standard industrial safety protocols during handling, including the use of appropriate personal protective equipment.
As a leading supplier of functional material additives, we ensure consistent quality through rigorous testing and provide comprehensive documentation including Certificates of Analysis (COA) with every shipment. Our global logistics network supports timely delivery for bulk orders worldwide.
