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Dibutyl Phthalate (DBP) is a colorless, oily liquid that is commonly used as a plasticizer in the production of plastics and polymers. It is derived from phthalic anhydride and butanol, and its primary function is to enhance the flexibility, workability, and durability of plastic materials. DBP is particularly effective in polyvinyl chloride (PVC) and other vinyl compounds, making it a vital additive in various industrial applications.
| Chemical formula | C16H22O4 |
| Molecular weight | 278.34 g/mol |
| Boiling point | 340 °C (644 °F) |
| Density | 1.05 g/cm³ |
| Flash point | 150 °C (302 °F) |
When selecting dibutyl phthalate, buyers should consider the intended application and any regulatory requirements that may apply, such as REACH compliance in Europe. It is important to specify the required purity levels, as well as any specific grades that may be necessary for particular applications. Quantities should also be clearly defined to ensure proper supply chain management.
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DBP is primarily used as a plasticizer in PVC and other plastics.
DBP is subject to regulatory scrutiny due to potential health concerns; its use in some consumer products is restricted.
DBP is produced through the esterification of phthalic anhydride with butanol.
DBP should be stored in a cool, dry place away from heat sources and incompatible materials.
DBP is not approved for use in food-contact applications due to safety concerns.
DBP can be harmful to aquatic life and is subject to environmental regulations.