Dimethyl Phthalate (DMP)
DMP, Dimethyl benzene-1,2-dicarboxylate.
- CAS
- 131-11-3
- EC
- 205-011-6
- Sectors
- Plastics & Polymers, Personal Care & Cosmetics
Dimethyl Phthalate (DMP) (CAS 131-11-3) is a colorless, oily liquid ester supplied in 99.5% purity that acts as a primary plasticizer and solvent, plasticizing cellulose acetate and serving as a fixative in perfumes and a solvent in nail polishes. Featuring 99.5% purity, it provides high clarity and excellent flexibility to a range of polymer systems.
This clear, colorless liquid possesses high stability and low volatility. It is particularly effective for plasticizing cellulose acetate, where it improves impact strength and clarity. In the cosmetics sector, it serves as a high-performance solvent and fixative.
DMP is also utilized in the production of industrial coatings and as a carrier for various organic catalysts. Its excellent solvency profile and reliable performance make it a staple in advanced polymer and fine chemical manufacturing.
Typical Properties
| Molecular formula | C10H10O4 |
|---|---|
| Molecular weight | 194.18 g/mol |
| Appearance | colourless oily liquid |
| Form | Liquid |
| Color | Clear |
| Odor | sl. aromatic odor |
| Melting point | 5.5 °C |
| Boiling point | 283.7 °C @ Press: 760 Torr |
| Density | 1.189 g/cm³ @ Temp: 25 °C |
| Water solubility | <0.1 g/100 mL at 20 °C |
| Flash point | 295 °F |
| pH | 7 (H2O, 20°C) |
| GHS signal word | Warning · Flammable, Corrosive, Irritant / harmful, Environmental hazard |
| HS code | 29173490 |
| Grades available | Technical Grade, Cosmetic Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Dimethyl Phthalate (DMP)
Applications
- Cellulose Plasticizer: Essential for achieving high flexibility and clarity in cellulose acetate-based plastics.
- Cosmetic Solvent: Functions as a fixative in perfumes and as a solvent in nail polishes and hair sprays.
- ndustrial Carrier: Used as a carrier for organic peroxides (e.g., MEKP) and various agricultural active ingredients.
Safety & Risks
Not classified as a primary acute hazard but listed as a Potential Respiratory Irritant. Use Safety Glasses and Nitrile Gloves in ventilated areas.
Packaging
200 kg Steel Drums or 1000 kg IBC Tanks.