Dioctyl Phthalate | 117-81-7

Cas No :

117-81-7

Synonyms :

Form :

Liquid

Molecular Weight :

390.56 G/Mol

Molecular Formula :

C24H38O4

Boiling Point :

385 °C

Solubility :

Practically Insoluble In Water; Soluble In Many Organic Solvents (Acetone, Benzene, Diethyl Ether, Toluene)

Flash Point :

230 °C

Description :

Overview of Dioctyl Phthalate

Dioctyl Phthalate (DOP) is a widely used plasticizer known for providing excellent flexibility, durability, and processability to polymer systems. It has long been used in industrial applications where softening and long-term performance of materials are essential.

DOP is especially valued for its good compatibility with a wide range of polymers and its ability to maintain flexibility over time. Its balanced properties make it suitable for applications requiring softness, resilience, and ease of processing.

Because of its performance characteristics, Dioctyl Phthalate remains an important plasticizer in industrial manufacturing and formulation processes.


Application of Dioctyl Phthalate

Plasticizer for Flexible Materials

Dioctyl Phthalate is extensively used as a plasticizer to improve flexibility, softness, and workability in polymer formulations. It enhances elongation and impact resistance while maintaining stable processing behavior.
In such systems, it is often used alongside plasticizers like Dibutyl Phthalate to achieve specific flexibility and cost-performance targets.

These applications are closely associated with requirements in coatings and plastics, where material flexibility and durability are critical.


PVC & Polymer Processing

In PVC and related polymer systems, Dioctyl Phthalate improves melt flow and processing efficiency. It allows manufacturers to produce flexible sheets, films, cables, and molded products with consistent quality.
Depending on application needs, it may also be blended with alternatives such as Diisononyl Phthalate to balance performance and regulatory considerations.


Rubber & Elastomer Applications

Dioctyl Phthalate is also used in rubber and elastomer formulations to enhance softness and improve processing characteristics. It supports uniform dispersion of fillers and additives during compounding.
These uses align with requirements across rubber industries, where controlled flexibility and processing stability are essential.


Specialty Industrial Formulations

In specialty industrial applications, Dioctyl Phthalate is used where long-term flexibility and resistance to wear are required. In certain formulations, it may be selected alongside Dioctyl Adipate to improve low-temperature performance and material resilience.


Safety and Handling Guidelines

  • Store in a cool, dry, and well-ventilated area

  • Keep containers tightly sealed and protected from contamination

  • Avoid direct contact with skin and eyes

  • Prevent inhalation of vapors or mist

  • Use protective gloves, goggles, and appropriate workwear

  • Follow standard chemical handling and storage procedures

  • Dispose of material and packaging according to local regulations



Where to Buy Dioctyl Phthalate?

Dioctyl Phthalate Manufacturer

Dioctyl Phthalate is manufactured under controlled industrial conditions to meet quality standards required for plasticizers, polymers, and specialty industrial formulations.


Dioctyl Phthalate Supplier & Distributor

Dioctyl Phthalate is supplied and distributed in bulk and industrial-grade quantities for polymer manufacturers, plastic processors, rubber producers, and chemical industries. It is available for domestic and international markets with reliable logistics and supply support.



MSDS for Dioctyl Phthalate

The Material Safety Data Sheet (MSDS) for Dioctyl Phthalate provides detailed information on safe handling, storage conditions, exposure controls, first-aid measures, and emergency response procedures. Users should always review the MSDS before handling or using the product.



Frequently Asked Questions (FAQs)

  1. What is Dioctyl Phthalate?

    Dioctyl Phthalate is a commonly used plasticizer that improves flexibility, softness, and processing efficiency in polymer and rubber formulations.

  2. What is Dioctyl Phthalate used for?

    It is used as a plasticizer in PVC, polymers, rubber compounds, coatings, and specialty industrial products.

  3. What is the chemical formula of Dioctyl Phthalate?

    The chemical formula of Dioctyl Phthalate is C₂₄H₃₈O₄.

  4. Is Dioctyl Phthalate toxic?

    Dioctyl Phthalate should be handled according to safety guidelines. Proper handling and use of protective equipment are recommended in industrial environments.

  5. Where to buy Dioctyl Phthalate?

    Dioctyl Phthalate can be sourced from Chemicalbull, a reliable supplier and distributor offering consistent quality and dependable supply support for industrial applications.