Diethyl Phthalate (DEP)
High-Performance Cellulose Resin Plasticizer
CAS: 84-66-2
Molecular Formula: C₁₂H₁₄O₄
Molecular Weight: 222.24
This premium plasticizer is engineered for superior compatibility with a wide range of resins, including cellulose acetate, polyvinyl acetate, nitrocellulose, and polymethyl methacrylate. It serves as an essential additive specifically optimized for cellulose resin applications.
Key Advantages
- Broad Compatibility: Excellent integration with various resins like ethyl cellulose, polystyrene, and vinyl acetate-vinyl chloride copolymers.
- Specialized Application: Specifically formulated to enhance the performance of cellulose-based resin systems.
- High Purity: Manufactured to strict quality standards to ensure consistent industrial performance.
- Low Volatility: Retains stable formulation structure without massive loss during heating and long-term storage.
- Powerful Solvency: Perfectly dissolves pigments, spices and organic compounds for uniform blending.
- Fragrance Fixation: Works as premium fixative to extend lasting scent in perfume and air freshener formulas.
- Safe Handling: High flash point reduces fire risks for convenient storage and mass production operations.
- Excellent Plasticizing Effect: Delivers stable softness and flexibility for nitrocellulose films and coatings.
- Chemical Stability: Resists mild acid & alkali erosion to maintain finished product performance.
- Multi-Purpose Functionality: Acts as plasticizer, lubricant, frothing agent and chromatographic stationary liquid in one material.
- Low Irritation: Mild formula with low skin irritation for cosmetic and fragrance contact applications.
- Cost-Effective Formulation: Matches well with DMP to boost product water resistance and elasticity at lower raw material cost.
Application Guide
Used as plasticizer, solvent, lubricant, aromatizer, frothing agent for flotation of non-ferrous or rare metal mines, gas chromatography stationary liquid, alcohol denaturant.
Technical Specifications
| Indicator Name |
Typical Factory Value |
| Appearance |
Transparent oily liquid without visible impurities |
| Chroma (Pt-Co) |
≤30 |
| Purity (%) |
≥99.5 |
| Acid Value (mgKOH/g) |
≤0.10 |
| Moisture (wt)% |
≤0.10 |
| Flash Point (℃) |
≥110 |
| Density (25℃, g/mL) |
1.12 |