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 Resin Compatibility: Fully miscible with ethyl cellulose, polystyrene and VC-VA copolymers
- Customized for Cellulose Resins: Formulated as dedicated plasticizer for all cellulose-based systems
- Ultra High Purity: Manufactured under rigid quality control for consistent industrial performance
- Minimal Volatility: Maintains stable properties under high heat and prolonged storage
- Powerful Dissolving Capacity: Evenly dissolves pigments, fragrances and various organic substances
- Excellent Fragrance Fixation: Premium fixative to retain long-lasting aroma in perfume and air fresheners
- Superior Safety Performance: High flash point effectively reduces fire risks during manufacturing and storage
- Outstanding Plasticizing Effect: Delivers uniform softness to nitrocellulose coatings and thin films
- Reliable Chemical Stability: Resist corrosion from weak acids and weak alkalis
- Multi-Purpose Versatility: Works as plasticizer, lubricant, mineral flotation agent and chromatographic stationary liquid
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 |