Full Name: Dioctyl Phthalate (commonly DOP, also called DEHP – Di(2-ethylhexyl) phthalate)

• Molecular Weight: ~390.56 g/mol
• Type: General-purpose phthalate plasticizer
• Appearance: Clear, colorless to light yellow oily liquid
• CAS Number: 117-81-7
• Chemical Formula: C₂₄H₃₈O₄

Key Characteristics:

• Low cost, making it one of the most widely used plasticizers.
• Provides good processability and flexibility to PVC.
• Moderate resistance to cold; better suited for general-purpose applications.

Applications

1. Plastics & PVC
   • Used as a primary plasticizer in flexible PVC.
   • Widely applied in cables, hoses, flooring, synthetic leather, and films.
2. Consumer Products
   • Found in toys, coated fabrics, adhesives, and packaging materials.
3. Construction Materials
   • Used in wall coverings, flooring, roofing membranes, and pipes.
4. Automotive
   • Applied in upholstery, sealing compounds, and undercoating materials.