Product Overview
Antioxidant 1330 (CAS#1709-70-2) is a premium hindered phenolic antioxidant that appears as a white crystalline powder with a melting point above 244°C. It is specially developed to enhance the thermal stability and long-term durability of polymer materials.
The product provides effective protection against oxidative degradation during processing and service life, helping maintain the mechanical properties, color stability, and overall performance of materials exposed to high temperatures.
With its excellent heat resistance, low volatility, non-staining characteristics, and broad compatibility with polymer systems, Antioxidant 1330 is widely used in plastics, elastomers, engineering polymers, coatings, and other high-performance material applications. It is an ideal solution for improving product reliability and extending material service life in demanding environments.
Antioxidant 1330 Chemical Properties
| Melting point | 248-250 °C(lit.) |
| Boiling point | 739.54°C (rough estimate) |
| density | 0.8883 (rough estimate) |
| refractive index | 1.5800 (estimate) |
| Fp | 321℃ |
| storage temp. | 2-8°C |
| solubility | Chloroform (Slightly), Methanol (Very Slightly, Heated, Sonicated) |
| pka | 11.91±0.40(Predicted) |
| color | White to Off-White |
| Water Solubility | 8.09μg/L at 20℃ |
| InChIKey | VSAWBBYYMBQKIK-UHFFFAOYSA-N |
| LogP | 17.17 |
| CAS DataBase Reference | 1709-70-2(CAS DataBase Reference) |
| EPA Substance Registry System | 1,3,5-Trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene (1709-70-2) |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 1 |
| RTECS | DC3750000 |
| HS Code | 2907299000 |
| Toxicity | LD50 oral in rat: 1500mg/kg |
Product Application of Antioxidant 1330 (CAS#1709-70-2)
Antioxidant 1330 is a high-performance, high molecular weight hindered phenolic antioxidant widely used in various polymer and elastomer systems. It provides excellent protection against thermal oxidation, helping materials maintain their mechanical strength, durability, and long-term stability under demanding processing and service conditions.
It is highly compatible with a broad range of materials, including thermoplastic polyesters, polyamides, styrene-based resins, polyolefins, PET, PBT, polyurethane, and natural rubber. With outstanding resistance to extraction, low volatility, excellent electrical insulation properties, and efficient antioxidant performance, it enhances the reliability and service life of polymer products.
Antioxidant 1330 is especially suitable for high-temperature processing applications, including polypropylene (PP) and polyethylene (PE) pipes, injection-molded parts, electrical wires and cables, automotive components, and other high-performance plastic products. It is an ideal additive for improving heat stability, processing performance, and long-term aging resistance in advanced polymer applications.
