Antioxidant 1330 CAS#1709-70-2
High Thermal Stability – Hindered phenol antioxidant 330 maintains stable processability at elevated temperatures, ensuring reliable performance in high-heat applications.
Excellent Heat Resistance – The compound exhibits strong resistance to thermal degradation, making it suitable for long-term use in heat-intensive processes.
Environmentally Friendly and Safe – It has low toxicity, causes no pollution, and does not induce discoloration, supporting safer and cleaner manufacturing.
Wide Solvent Compatibility – Although insoluble in water, it dissolves well in solvents such as benzene, methylene chloride, and methylcyclohexane, offering versatility for different formulations.
Product Description of Antioxidant 1330 (CAS#1709-70-2)
Antioxidant 1330, a hindered phenol compound, appears as a white crystalline powder with a melting point above 244°C. It is insoluble in water, with solubility at 18°C in various solvents as follows: benzene 20 g/100 g, methylene chloride 31.9 g/100 g, methylcyclohexane 1.7 g/100 g, methanol 0.2 g/100 g, and isopropyl alcohol 0.1 g/100 g.
The compound offers stable processability at high temperatures, excellent heat resistance, no discoloration, is non-polluting, and exhibits low toxicity, making it suitable for a wide range of industrial applications.
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 molecular weight hindered phenolic antioxidant suitable for a wide range of materials, including thermoplastic polyesters, polyamides, styrene resins, polyolefins, PET, PBT, as well as elastomers like polyurethane and natural rubber. It is fully compatible with resins and offers excellent corrosion resistance, extraction resistance, low volatility, high antioxidant efficiency, and good electrical insulation.
This antioxidant is particularly ideal for high-temperature processed polyolefin products such as PP and PE pipes, injection-molded components, wires, cables, and other related applications.




