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Dioctyl Terephthalate (DOTP) is a high-performance plasticizer commonly used in the production of flexible PVC and other polymers. It is synthesized from terephthalic acid and 2-ethylhexanol, resulting in a colorless, odorless liquid that enhances the flexibility and durability of plastic materials. DOTP is known for its excellent thermal stability and low volatility, making it suitable for various applications in the plastics industry.
| Chemical formula | C24H38O4 |
| Molecular weight | 390.57 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Boiling point | Approximately 340°C |
| Density | 0.95 g/cm³ |
| Flash point | Approximately 200°C |
When selecting Dioctyl Terephthalate, consider the specific application requirements such as compatibility with other materials, desired flexibility, and regulatory compliance. Buyers should specify the required purity levels, any necessary certifications, and the quantity needed for production. It is also advisable to inquire about the supplier's quality control measures to ensure consistent product performance.
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It is primarily used as a plasticizer in flexible PVC and other polymer applications.
DOTP is considered a safer alternative to traditional phthalate plasticizers, with lower toxicity and environmental impact.
Advantages include excellent thermal stability, low volatility, and enhanced flexibility in plastic products.
DOTP is generally not recommended for direct food contact applications unless specifically certified.
The shelf life can vary, but it is typically stable for several years when stored properly.
It should be stored in a cool, dry place away from direct sunlight and incompatible materials.