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Dioctyl Phthalate (DOP) is a colorless, odorless liquid that is primarily used as a plasticizer in the production of flexible polyvinyl chloride (PVC) and other polymers. It works by increasing the flexibility, transparency, and durability of plastics, making them more versatile for various applications. DOP is synthesized from phthalic anhydride and is typically derived from petrochemical sources.
| Chemical formula | C24H38O4 |
| Molecular weight | 390.57 g/mol |
| Purity | Typically 99% or higher |
| Appearance | Colorless to yellowish liquid |
| Boiling point | 390 °C (734 °F) |
| Flash point | 200 °C (392 °F) |
When selecting dioctyl phthalate, consider the intended application and required properties such as flexibility and compatibility with other materials. Specify the desired purity level, as well as any necessary certifications for safety and environmental compliance. It is also important to indicate the quantity needed, as bulk purchases may offer cost advantages.
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It is primarily used as a plasticizer in PVC and other polymers.
Safety depends on the application; consult safety data sheets and regulations.
Alternatives include other phthalates and non-phthalate plasticizers.
Store in a cool, dry place away from heat and sunlight.
Recycling options depend on the specific application and local regulations.
Commonly used in construction, automotive, and medical industries.