Acetates & Esters, High-Purity Solvents

Dimethyl Phthalate (DMP)

Dimethyl Phthalate (DMP) | CAS: 0131-11-3

This high-purity (≥99.5%) chemical compound presents as a transparent, colorless, oily liquid with a slight aromatic odor. Key characteristics include a density of 1.188-1.192 g/cm³ at 20°C, a flash point above 155°C, and a boiling point of 282°C. It functions primarily as a versatile plasticizer for polymers like cellulose esters and PVC, and as a carrier and solvent for organic peroxides. Furthermore, it is employed as an insecticide, insect/moth repellent, and a crucial component in chemical synthesis.

Attributes

Key Features and Benefits

Provides effective plasticization for cellulose esters and various rubbers.
Functions as an excellent insect repellent in diverse formulations.
Offers superior solvent power for a wide range of resins.
Serves as a reliable fixative and solvent in perfumery and cosmetics.
Improves performance in coatings, lacquers, and inks.
Valuable component in specialized uses like rocket propellants and safety glass.
Characterized by a clear appearance and minimal odor.
Exhibits broad compatibility with numerous polymer systems.

Specifications

Technical Highlights

Appearance: Clear, colorless liquid
Specific Gravity (20/20°C): 1.190 – 1.194
Purity, % (min): 99.5
Moisture, % (max): 0.1
Acidity (as Phthalic acid), % (max): 0.01
Color, APHA (max): 10
Refractive Index (nD20): 1.5150 – 1.5170

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Plasticizer: Enhances flexibility and workability in materials like cellulose acetate, nitrocellulose, and synthetic rubbers.
Dye Carrier: Facilitates improved penetration and distribution of dyes in polyester fibers.
Perfume Fixative: Extends the duration and stability of fragrances in perfume formulations.
Insect Repellent: Serves as an effective active ingredient in formulations to repel mosquitoes and other insects.
Chemical Solvent: Acts as a solvent in various organic synthesis processes.
Rocket Propellant: Functions as a key component in solid rocket propellant mixtures.